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class="vector-toc-list"> <li id="toc-Levels_of_hazard" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Levels_of_hazard"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Levels of hazard</span> </div> </a> <ul id="toc-Levels_of_hazard-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Potentially_hazardous_comet" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Potentially_hazardous_comet"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Potentially hazardous comet</span> </div> </a> <ul id="toc-Potentially_hazardous_comet-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Numbers" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Numbers"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Numbers</span> </div> </a> <ul id="toc-Numbers-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Size" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Size"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Size</span> </div> </a> <ul id="toc-Size-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Largest_PHAs" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Largest_PHAs"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Largest PHAs</span> </div> </a> <button aria-controls="toc-Largest_PHAs-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Largest PHAs subsection</span> </button> <ul id="toc-Largest_PHAs-sublist" class="vector-toc-list"> <li id="toc-Statistics" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Statistics"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Statistics</span> </div> </a> <ul id="toc-Statistics-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Gallery" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Gallery"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Gallery</span> </div> </a> <ul id="toc-Gallery-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>External links</span> </div> </a> <button aria-controls="toc-External_links-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle External links subsection</span> </button> <ul id="toc-External_links-sublist" class="vector-toc-list"> <li id="toc-Minor_Planet_Center" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Minor_Planet_Center"> <div class="vector-toc-text"> <span class="vector-toc-numb">7.1</span> <span>Minor Planet Center</span> </div> </a> <ul id="toc-Minor_Planet_Center-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" 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Available in 22 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-22" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">22 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A3%D8%AC%D8%B1%D8%A7%D9%85_%D9%83%D8%A7%D9%85%D9%86%D8%A9_%D8%A7%D9%84%D9%85%D8%AE%D8%A7%D8%B7%D8%B1" title="أجرام كامنة المخاطر – Arabic" lang="ar" hreflang="ar" data-title="أجرام كامنة المخاطر" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Potencijalno_opasni_objekat" title="Potencijalno opasni objekat – Bosnian" lang="bs" hreflang="bs" data-title="Potencijalno opasni objekat" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Objecte_potencialment_perill%C3%B3s" title="Objecte potencialment perillós – Catalan" lang="ca" hreflang="ca" data-title="Objecte potencialment perillós" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Potenciale_dan%C4%9Dera_objekto" title="Potenciale danĝera objekto – Esperanto" lang="eo" hreflang="eo" data-title="Potenciale danĝera objekto" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Objektu_Bereziki_Arriskutsu" title="Objektu Bereziki Arriskutsu – Basque" lang="eu" hreflang="eu" data-title="Objektu Bereziki Arriskutsu" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AC%D8%B1%D9%85_%D9%86%D8%B2%D8%AF%DB%8C%DA%A9_%D8%A8%D9%87_%D8%B2%D9%85%DB%8C%D9%86_%D8%A8%D8%A7%D9%84%D9%82%D9%88%D9%87_%D8%AE%D8%B7%D8%B1%D9%86%D8%A7%DA%A9" title="جرم نزدیک به زمین بالقوه خطرناک – Persian" lang="fa" hreflang="fa" data-title="جرم نزدیک به زمین بالقوه خطرناک" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Objet_potentiellement_dangereux" title="Objet potentiellement dangereux – French" lang="fr" hreflang="fr" data-title="Objet potentiellement dangereux" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A7%80%EA%B5%AC_%EC%9C%84%ED%98%91_%EC%B2%9C%EC%B2%B4" title="지구 위협 천체 – Korean" lang="ko" hreflang="ko" data-title="지구 위협 천체" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Potencijalno_opasni_objekt" title="Potencijalno opasni objekt – Croatian" lang="hr" hreflang="hr" data-title="Potencijalno opasni objekt" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Oggetto_potenzialmente_pericoloso" title="Oggetto potenzialmente pericoloso – Italian" lang="it" hreflang="it" data-title="Oggetto potenzialmente pericoloso" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%96%D0%B5%D1%80%D0%B3%D0%B5_%D0%B6%D0%B0%D2%9B%D1%8B%D0%BD_%D0%BD%D1%8B%D1%81%D0%B0%D0%BD%D0%B4%D0%B0%D1%80" title="Жерге жақын нысандар – Kazakh" lang="kk" hreflang="kk" data-title="Жерге жақын нысандар" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D1%98%D0%B0%D0%BB%D0%BD%D0%BE_%D0%BE%D0%BF%D0%B0%D1%81%D0%BD%D0%BE_%D1%82%D0%B5%D0%BB%D0%BE" title="Потенцијално опасно тело – Macedonian" lang="mk" hreflang="mk" data-title="Потенцијално опасно тело" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Objek_berpotensi_berbahaya" title="Objek berpotensi berbahaya – Malay" lang="ms" hreflang="ms" data-title="Objek berpotensi berbahaya" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E6%BD%9C%E5%9C%A8%E7%9A%84%E3%81%AB%E5%8D%B1%E9%99%BA%E3%81%AA%E5%B0%8F%E6%83%91%E6%98%9F" title="潜在的に危険な小惑星 – Japanese" lang="ja" hreflang="ja" data-title="潜在的に危険な小惑星" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Potencjalnie_niebezpieczne_obiekty" title="Potencjalnie niebezpieczne obiekty – Polish" lang="pl" hreflang="pl" data-title="Potencjalnie niebezpieczne obiekty" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Objeto_potencialmente_perigoso" title="Objeto potencialmente perigoso – Portuguese" lang="pt" hreflang="pt" data-title="Objeto potencialmente perigoso" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Obiect_poten%C8%9Bial_periculos" title="Obiect potențial periculos – Romanian" lang="ro" hreflang="ro" data-title="Obiect potențial periculos" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D0%B8%D0%B0%D0%BB%D1%8C%D0%BD%D0%BE_%D0%BE%D0%BF%D0%B0%D1%81%D0%BD%D1%8B%D0%B5_%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5_%D0%BE%D0%B1%D1%8A%D0%B5%D0%BA%D1%82%D1%8B" title="Потенциально опасные астрономические объекты – Russian" lang="ru" hreflang="ru" data-title="Потенциально опасные астрономические объекты" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Potansiyel_olarak_tehlikeli_cisim" title="Potansiyel olarak tehlikeli cisim – Turkish" lang="tr" hreflang="tr" data-title="Potansiyel olarak tehlikeli cisim" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%82%D0%B5%D0%BD%D1%86%D1%96%D0%B9%D0%BD%D0%BE_%D0%BD%D0%B5%D0%B1%D0%B5%D0%B7%D0%BF%D0%B5%D1%87%D0%BD%D1%96_%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D1%96%D1%87%D0%BD%D1%96_%D0%BE%D0%B1%27%D1%94%D0%BA%D1%82%D0%B8" title="Потенційно небезпечні астрономічні об'єкти – Ukrainian" lang="uk" hreflang="uk" data-title="Потенційно небезпечні астрономічні об'єкти" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/V%E1%BA%ADt_th%E1%BB%83_c%C3%B3_kh%E1%BA%A3_n%C4%83ng_g%C3%A2y_nguy_hi%E1%BB%83m" title="Vật thể có khả năng gây nguy hiểm – Vietnamese" lang="vi" hreflang="vi" data-title="Vật thể có khả năng gây nguy hiểm" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%BD%9B%E5%9C%A8%E5%A8%81%E8%84%85%E5%A4%A9%E9%AB%94" title="潛在威脅天體 – Chinese" lang="zh" hreflang="zh" data-title="潛在威脅天體" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet 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class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Hazardous near-Earth asteroid or comet</div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Toutatis.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/Toutatis.jpg/250px-Toutatis.jpg" decoding="async" width="250" height="250" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/6/61/Toutatis.jpg 1.5x" data-file-width="336" data-file-height="336" /></a><figcaption>The asteroid <a href="/wiki/4179_Toutatis" title="4179 Toutatis">Toutatis</a> is listed as a potentially hazardous <a href="/wiki/Near-Earth_object" title="Near-Earth object">near-Earth</a> <a href="/wiki/Asteroid" title="Asteroid">asteroid</a>, yet poses no immediate threat to Earth. (<a href="/wiki/Radar_astronomy" title="Radar astronomy">Radar image</a> taken by <a href="/wiki/Goldstone_Deep_Space_Communications_Complex" title="Goldstone Deep Space Communications Complex">GDSCC</a> in 1996.)</figcaption></figure> <p>A <b>potentially hazardous object</b> (<b>PHO</b>) is a <a href="/wiki/Near-Earth_object" title="Near-Earth object">near-Earth object</a> – either an <a href="/wiki/Asteroid" title="Asteroid">asteroid</a> or a <a href="/wiki/Comet" title="Comet">comet</a> – with an <a href="/wiki/Orbit" title="Orbit">orbit</a> that can make close approaches to the <a href="/wiki/Earth" title="Earth">Earth</a> and which is large enough to cause significant regional damage in the <a href="/wiki/Impact_event" title="Impact event">event of impact</a>.<sup id="cite_ref-Task-Force-Report_1-0" class="reference"><a href="#cite_note-Task-Force-Report-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> They are conventionally defined as having a <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">minimum orbit intersection distance</a> with Earth of less than 0.05 <a href="/wiki/Astronomical_unit" title="Astronomical unit">astronomical units</a> (19.5 <a href="/wiki/Lunar_distance_(astronomy)" class="mw-redirect" title="Lunar distance (astronomy)">lunar distances</a>) and an <a href="/wiki/Absolute_magnitude" title="Absolute magnitude">absolute magnitude</a> of 22 or brighter, the latter of which roughly corresponds to a size larger than 140 meters.<sup id="cite_ref-CNEOS-Basics_2-0" class="reference"><a href="#cite_note-CNEOS-Basics-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> More than 99% of the known potentially hazardous objects are no impact threat over the next 100 years.<sup id="cite_ref-sentry_3-0" class="reference"><a href="#cite_note-sentry-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> As of February 2025<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Potentially_hazardous_object&action=edit">[update]</a></sup>, just 21 of the known potentially hazardous objects listed on the <a href="/wiki/Sentry_Risk_Table" class="mw-redirect" title="Sentry Risk Table">Sentry Risk Table</a> could not be excluded as potential threats over the next hundred years.<sup id="cite_ref-risk-table_4-0" class="reference"><a href="#cite_note-risk-table-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Over hundreds if not thousands of years though, the orbits of some "potentially hazardous" asteroids can evolve to live up to their namesake. </p><p>Most of these objects are <b>potentially hazardous asteroids</b> (<b>PHAs</b>), and a few are <a href="/wiki/Comet" title="Comet">comets</a>. As of November 2022<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Potentially_hazardous_object&action=edit">[update]</a></sup> there are 2,304 known PHAs (about 8% of the total near-Earth population), of which 153 are estimated to be larger than one kilometer in diameter <i>(see list of <a href="#Largest_PHAs">largest PHAs</a> below)</i>.<sup id="cite_ref-CNEOS-totals_5-0" class="reference"><a href="#cite_note-CNEOS-totals-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-MPC-unusual-overview_6-0" class="reference"><a href="#cite_note-MPC-unusual-overview-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-note-diameter-estimates_7-0" class="reference"><a href="#cite_note-note-diameter-estimates-7"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> Most of the discovered PHAs are <a href="/wiki/Apollo_asteroids" class="mw-redirect" title="Apollo asteroids">Apollo asteroids</a> (1,965) and fewer belong to the group of <a href="/wiki/Aten_asteroid" title="Aten asteroid">Aten asteroids</a> (185).<sup id="cite_ref-SBDB-query-all-PHA-Apollos_8-0" class="reference"><a href="#cite_note-SBDB-query-all-PHA-Apollos-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-SBDB-query-all-PHA-Atens_9-0" class="reference"><a href="#cite_note-SBDB-query-all-PHA-Atens-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>A potentially hazardous object can be known not to be a threat to Earth for the next 100 years or more, if its orbit is reasonably well determined. Potentially hazardous asteroids with some threat of impacting Earth in the next 100 years are listed on the Sentry Risk Table. As of September 2022<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Potentially_hazardous_object&action=edit">[update]</a></sup>, only 17 potentially hazardous asteroids are listed on the Sentry Risk Table.<sup id="cite_ref-risk-table_4-1" class="reference"><a href="#cite_note-risk-table-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Most potentially hazardous asteroids are ruled out as hazardous to at least several hundreds of years when their competing best orbit models are sufficiently constrained, but recent discoveries whose orbital constraints are little-known have divergent or incomplete mechanical models until observation yields further data. After several <a href="/wiki/Astronomical_survey" title="Astronomical survey">astronomical surveys</a>, the number of known PHAs has increased tenfold since the end of the 1990s <i>(see <a href="#Statistics">bar charts</a> below)</i>.<sup id="cite_ref-CNEOS-totals_5-1" class="reference"><a href="#cite_note-CNEOS-totals-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/Minor_Planet_Center" title="Minor Planet Center">Minor Planet Center</a>'s website <i>List of the Potentially Hazardous Asteroids</i> also publishes detailed information for these objects.<sup id="cite_ref-MPC-PHA-list_10-0" class="reference"><a href="#cite_note-MPC-PHA-list-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p><p>In May 2021, NASA astronomers reported that 5 to 10 years of preparation may be needed to avoid a <a href="/wiki/Asteroid_impact_avoidance" title="Asteroid impact avoidance">potential impactor</a>, as most recently based on a simulated exercise conducted by the 2021 Planetary Defense Conference.<sup id="cite_ref-BUS-20210512_11-0" class="reference"><a href="#cite_note-BUS-20210512-11"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-SPC-20210501_12-0" class="reference"><a href="#cite_note-SPC-20210501-12"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-NASA-20210430_13-0" class="reference"><a href="#cite_note-NASA-20210430-13"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Overview">Overview</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=1" title="Edit section: Overview"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Potentially_Hazardous_Asteroids_2013.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Potentially_Hazardous_Asteroids_2013.png/245px-Potentially_Hazardous_Asteroids_2013.png" decoding="async" width="245" height="245" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Potentially_Hazardous_Asteroids_2013.png/368px-Potentially_Hazardous_Asteroids_2013.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f6/Potentially_Hazardous_Asteroids_2013.png/490px-Potentially_Hazardous_Asteroids_2013.png 2x" data-file-width="2048" data-file-height="2048" /></a><figcaption>Plot of orbits of known potentially hazardous asteroids, with sizes over 140 metres (460 ft) and that pass within 7.6 million kilometres (4.7<span style="margin-left:0.2em">×<span style="margin-left:0.1em">10</span></span><s style="display:none">^</s><sup>6</sup> mi) of Earth's orbit. <a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">Epoch</a> as of early 2013.</figcaption></figure> <p>An object is considered a PHO if its <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">minimum orbit intersection distance</a> (MOID) with respect to Earth is less than 0.05 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> (7,500,000 <a href="/wiki/Kilometre" title="Kilometre">km</a>; 4,600,000 <a href="/wiki/Mile" title="Mile">mi</a>) – approximately 19.5 <a href="/wiki/Lunar_distance_(astronomy)" class="mw-redirect" title="Lunar distance (astronomy)">lunar distances</a> – and its <a href="/wiki/Absolute_magnitude" title="Absolute magnitude">absolute magnitude</a> is brighter than 22, approximately corresponding to a diameter above 140 meters (460 ft).<sup id="cite_ref-Task-Force-Report_1-1" class="reference"><a href="#cite_note-Task-Force-Report-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-CNEOS-Basics_2-1" class="reference"><a href="#cite_note-CNEOS-Basics-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> This is big enough to cause regional devastation to human settlements unprecedented in human history in the case of a land impact, or a major <a href="/wiki/Tsunami" title="Tsunami">tsunami</a> in the case of an <a href="/wiki/Ocean" title="Ocean">ocean</a> impact. Such impact events occur on average around once per 10,000 years. <a href="/wiki/NEOWISE" class="mw-redirect" title="NEOWISE">NEOWISE</a> data estimates that there are 4,700 ± 1,500 potentially hazardous asteroids with a diameter greater than 100 meters.<sup id="cite_ref-NASA-news_14-0" class="reference"><a href="#cite_note-NASA-news-14"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Levels_of_hazard">Levels of hazard</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=2" title="Edit section: Levels of hazard"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">Main articles: <a href="/wiki/Torino_scale" title="Torino scale">Torino scale</a> and <a href="/wiki/Palermo_scale" title="Palermo scale">Palermo scale</a></div> <p>The two main scales used to categorize the impact hazards of asteroids are the Palermo scale and the Torino scale. </p> <div class="mw-heading mw-heading3"><h3 id="Potentially_hazardous_comet">Potentially hazardous comet</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=3" title="Edit section: Potentially hazardous comet"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1251242444">.mw-parser-output .ambox{border:1px solid #a2a9b1;border-left:10px solid #36c;background-color:#fbfbfb;box-sizing:border-box}.mw-parser-output .ambox+link+.ambox,.mw-parser-output .ambox+link+style+.ambox,.mw-parser-output .ambox+link+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+style+.ambox,.mw-parser-output .ambox+.mw-empty-elt+link+link+.ambox{margin-top:-1px}html body.mediawiki .mw-parser-output .ambox.mbox-small-left{margin:4px 1em 4px 0;overflow:hidden;width:238px;border-collapse:collapse;font-size:88%;line-height:1.25em}.mw-parser-output .ambox-speedy{border-left:10px solid #b32424;background-color:#fee7e6}.mw-parser-output .ambox-delete{border-left:10px solid #b32424}.mw-parser-output .ambox-content{border-left:10px solid #f28500}.mw-parser-output .ambox-style{border-left:10px solid #fc3}.mw-parser-output .ambox-move{border-left:10px solid #9932cc}.mw-parser-output .ambox-protection{border-left:10px solid #a2a9b1}.mw-parser-output .ambox .mbox-text{border:none;padding:0.25em 0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-Unreferenced_section plainlinks metadata ambox ambox-content ambox-Unreferenced" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/File:Question_book-new.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">This section <b>does not <a href="/wiki/Wikipedia:Citing_sources" title="Wikipedia:Citing sources">cite</a> any <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">sources</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Potentially_hazardous_object" title="Special:EditPage/Potentially hazardous object">improve this section</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Potentially+hazardous+comets%22">"Potentially hazardous comets"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Potentially+hazardous+comets%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Potentially+hazardous+comets%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Potentially+hazardous+comets%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Potentially+hazardous+comets%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Potentially+hazardous+comets%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">May 2022</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>A <b>potentially hazardous comet</b> (<b>PHC</b>) is a short-period comet which currently has an Earth-<a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a> less than 0.05 AU. Known PHCs include: <a href="/wiki/109P/Swift-Tuttle" class="mw-redirect" title="109P/Swift-Tuttle">109P/Swift-Tuttle</a>, <a href="/wiki/55P/Tempel%E2%80%93Tuttle" title="55P/Tempel–Tuttle">55P/Tempel–Tuttle</a>, <a href="/wiki/15P/Finlay" title="15P/Finlay">15P/Finlay</a>, <a href="/wiki/289P/Blanpain" title="289P/Blanpain">289P/Blanpain</a>, <a href="/wiki/255P/Levy" title="255P/Levy">255P/Levy</a>, <a href="/wiki/206P/Barnard%E2%80%93Boattini" title="206P/Barnard–Boattini">206P/Barnard–Boattini</a>, <a href="/wiki/21P/Giacobini%E2%80%93Zinner" title="21P/Giacobini–Zinner">21P/Giacobini–Zinner</a>, and <a href="/wiki/73P/Schwassmann%E2%80%93Wachmann" title="73P/Schwassmann–Wachmann">73P/Schwassmann–Wachmann</a>. <a href="/wiki/Halley%27s_Comet" title="Halley's Comet">Halley's Comet</a> fit the criteria before AD 837, when it passed the earth at a distance of 0.033 AU. It now has an MOID of 0.075 AU. </p> <div class="mw-heading mw-heading3"><h3 id="Numbers">Numbers</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=4" title="Edit section: Numbers"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:NEA_by_survey.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/NEA_by_survey.png/330px-NEA_by_survey.png" decoding="async" width="330" height="152" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/56/NEA_by_survey.png/495px-NEA_by_survey.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/56/NEA_by_survey.png/660px-NEA_by_survey.png 2x" data-file-width="870" data-file-height="400" /></a><figcaption>Detected <a href="/wiki/Near-Earth_object" title="Near-Earth object">NEAs</a> by various <a href="/wiki/Astronomical_survey" title="Astronomical survey">projects</a>. The broader class of NEAs includes all PHAs as a subset.<sup id="cite_ref-CNEOS-totals_5-2" class="reference"><a href="#cite_note-CNEOS-totals-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> <table style="width: 100%; margin-bottom: 8px 0 6px; background-color:white;"> <tbody><tr> <td valign="top" width="50%"> <style data-mw-deduplicate="TemplateStyles:r981673959">.mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{}</style><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #0000B3;background-color:#0000FF; color:white;"> </span> <a href="/wiki/Lincoln_Near-Earth_Asteroid_Research" title="Lincoln Near-Earth Asteroid Research">LINEAR</a></span><br /> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #B37400;background-color:#FFA500; color:black;"> </span> <a href="/wiki/Near_Earth_Asteroid_Tracking" class="mw-redirect" title="Near Earth Asteroid Tracking">NEAT</a></span><br /> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #800000;background-color:#FF0000; color:black;"> </span> <a href="/wiki/Spacewatch" title="Spacewatch">Spacewatch</a></span><br /> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #B3B300;background-color:#FFFF00; color:black;"> </span> <a href="/wiki/LONEOS" class="mw-redirect" title="LONEOS">LONEOS</a></span><br /> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #003D00;background-color:#008B00; color:black;"> </span> <a href="/wiki/Catalina_Sky_Survey" title="Catalina Sky Survey">CSS</a></span> </td> <td valign="top"> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #390052;background-color:#9400D3; color:white;"> </span> <a href="/wiki/Pan-STARRS" title="Pan-STARRS">Pan-STARRS</a></span><br /> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #333;background-color:#00CCCC; color:black;"> </span> <a href="/wiki/NEOWISE" class="mw-redirect" title="NEOWISE">NEOWISE</a></span><br /> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #333;background-color:#FFE4C4; color:black;"> </span> <a href="/wiki/Asteroid_Terrestrial-impact_Last_Alert_System" title="Asteroid Terrestrial-impact Last Alert System">ATLAS</a></span><br /> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="border: 1px solid #333;background-color:#993300; color:white;"> </span> Others</span> </td></tr></tbody></table></figcaption></figure> <p>In 2012 <a href="/wiki/NASA" title="NASA">NASA</a> estimated 20 to 30 percent of these objects have been found.<sup id="cite_ref-NASA-news_14-1" class="reference"><a href="#cite_note-NASA-news-14"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> During an asteroid's close approaches to another planet it will be subject to gravitational <a href="/wiki/Perturbation_(astronomy)" title="Perturbation (astronomy)">perturbation</a>, modifying its orbit, and potentially changing a previously non-threatening asteroid into a PHA or vice versa. This is a reflection of the dynamic character of the Solar System. </p><p>Several <a href="/wiki/Astronomical_survey" title="Astronomical survey">astronomical survey</a> projects such as <a href="/wiki/Lincoln_Near-Earth_Asteroid_Research" title="Lincoln Near-Earth Asteroid Research">Lincoln Near-Earth Asteroid Research</a>, <a href="/wiki/Catalina_Sky_Survey" title="Catalina Sky Survey">Catalina Sky Survey</a> and <a href="/wiki/Pan-STARRS" title="Pan-STARRS">Pan-STARRS</a> continue to search for more PHOs. Each one found is studied by various means, including optical, <a href="/wiki/Radar_astronomy" title="Radar astronomy">radar</a>, and <a href="/wiki/Infrared" title="Infrared">infrared</a> to determine its characteristics, such as size, composition, rotation state, and to more accurately determine its orbit. Both professional and <a href="/wiki/Amateur_astronomer" class="mw-redirect" title="Amateur astronomer">amateur astronomers</a> participate in such observation and tracking. </p> <div class="mw-heading mw-heading3"><h3 id="Size">Size</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=5" title="Edit section: Size"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Asteroids larger than approximately 35 meters across can pose a threat to a town or city.<sup id="cite_ref-SA2013_15-0" class="reference"><a href="#cite_note-SA2013-15"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> However the diameter of most small asteroids is not well determined, as it is usually only estimated based on their brightness and distance, rather than directly measured, e.g. from radar observations. For this reason <a href="/wiki/NASA" title="NASA">NASA</a> and the <a href="/wiki/Jet_Propulsion_Laboratory" title="Jet Propulsion Laboratory">Jet Propulsion Laboratory</a> use the more practical measure of <a href="/wiki/Absolute_magnitude#Solar_System_bodies_(H)" title="Absolute magnitude">absolute magnitude</a> (<i>H</i>). Any asteroid with an absolute magnitude of 22.0 or brighter is assumed to be of the required size.<sup id="cite_ref-CNEOS-Basics_2-2" class="reference"><a href="#cite_note-CNEOS-Basics-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>Only a coarse estimation of size can be found from the object's magnitude because an assumption must be made for its <a href="/wiki/Albedo" title="Albedo">albedo</a> which is also not usually known for certain. The NASA <a href="/wiki/Near-Earth_object" title="Near-Earth object">near-Earth object</a> program uses an assumed <a href="/wiki/Albedo" title="Albedo">albedo</a> of 0.14 for this purpose. In May 2016, the asteroid size estimates arising from the <a href="/wiki/Wide-field_Infrared_Survey_Explorer" title="Wide-field Infrared Survey Explorer">Wide-field Infrared Survey Explorer</a> and <a href="/wiki/Wide-field_Infrared_Survey_Explorer#NEOWISE" title="Wide-field Infrared Survey Explorer">NEOWISE</a> missions have been questioned.<sup id="cite_ref-NYT-20160523_16-0" class="reference"><a href="#cite_note-NYT-20160523-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-ARX-20160523_17-0" class="reference"><a href="#cite_note-ARX-20160523-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-SA-20160527_18-0" class="reference"><a href="#cite_note-SA-20160527-18"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> Although the early original criticism had not undergone peer review,<sup id="cite_ref-NASA-20160525_19-0" class="reference"><a href="#cite_note-NASA-20160525-19"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> a more recent peer-reviewed study was subsequently published.<sup id="cite_ref-ICARUS-20180522_20-0" class="reference"><a href="#cite_note-ICARUS-20180522-20"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-NYT-20180614_21-0" class="reference"><a href="#cite_note-NYT-20180614-21"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Largest_PHAs">Largest PHAs</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=6" title="Edit section: Largest PHAs"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>With a <a href="/wiki/Mean_diameter" class="mw-redirect" title="Mean diameter">mean diameter</a> of approximately 7 kilometers, Apollo asteroid <span class="nowrap"><a href="/wiki/(53319)_1999_JM8" title="(53319) 1999 JM8">(53319) 1999 JM<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">8</span></span></a></span> is likely the largest known potentially hazardous object, despite its fainter <a href="/wiki/Absolute_magnitude" title="Absolute magnitude">absolute magnitude</a> of 15.2, compared to other listed objects in the table below <i>(note: calculated mean-diameters in table are inferred from the object's brightness and its (assumed) albedo. They are only an approximation.)</i>. The lowest <a href="/wiki/Minor_planet_designation" class="mw-redirect" title="Minor planet designation">numbered</a> PHA is <a href="/wiki/1566_Icarus" title="1566 Icarus">1566 Icarus</a>.<sup id="cite_ref-MPC-PHA-list_10-1" class="reference"><a href="#cite_note-MPC-PHA-list-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> <style data-mw-deduplicate="TemplateStyles:r1245584064">@media screen{html.client-js .mw-parser-output .sort-under.sortable.wikitable th.headerSort,html.client-js .mw-parser-output .sort-under-right.sortable.wikitable th.headerSort,html.client-js .mw-parser-output .sort-under-center.sortable.wikitable th.headerSort{padding-right:0.4em}html.client-js .mw-parser-output .sort-under.sortable:not(.wikitable) th.headerSort,html.client-js .mw-parser-output .sort-under-right.sortable:not(.wikitable) th.headerSort,html.client-js .mw-parser-output .sort-under-center.sortable:not(.wikitable) th.headerSort{padding-right:1px}html.client-js 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.sort-under.sortable.wikitable th.headerSort,html.client-js body.skin-timeless .mw-parser-output .sort-under.sortable.wikitable th.unsortable,html.client-js body.skin-timeless .mw-parser-output .sort-under-right.sortable.wikitable th.headerSort,html.client-js body.skin-timeless .mw-parser-output .sort-under-right.sortable.wikitable th.unsortable,html.client-js body.skin-timeless .mw-parser-output .sort-under-center.sortable.wikitable th.headerSort,html.client-js body.skin-timeless .mw-parser-output .sort-under-center.sortable.wikitable th.unsortable{padding-bottom:1.8em}html.client-js .mw-parser-output .static-row-numbers.sort-under.sortable.wikitable thead tr:only-child::before,html.client-js .mw-parser-output .static-row-numbers.sort-under-right.sortable.wikitable thead tr:only-child::before,html.client-js .mw-parser-output .static-row-numbers.sort-under-center.sortable.wikitable thead tr:only-child::before{padding-bottom:1.5em}html.client-js body.skin-timeless .mw-parser-output .static-row-numbers.sort-under.sortable.wikitable thead tr:only-child::before,html.client-js body.skin-timeless .mw-parser-output .static-row-numbers.sort-under-right.sortable.wikitable thead tr:only-child::before,html.client-js body.skin-timeless .mw-parser-output .static-row-numbers.sort-under-center.sortable.wikitable thead tr:only-child::before,html.client-js body.skin-minerva .mw-parser-output .static-row-numbers.sort-under.sortable.wikitable thead tr:only-child::before,html.client-js body.skin-minerva .mw-parser-output .static-row-numbers.sort-under-right.sortable.wikitable thead tr:only-child::before,html.client-js body.skin-minerva .mw-parser-output .static-row-numbers.sort-under-center.sortable.wikitable thead tr:only-child::before{padding-bottom:1.4em}}}</style> </p> <table class="wikitable sortable sort-under-center"> <caption>Brightest Potentially Hazardous Asteroids <sup id="cite_ref-MPC-PHA-list_10-2" class="reference"><a href="#cite_note-MPC-PHA-list-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th width="140" rowspan="2"><a href="/wiki/Minor_planet_designation" class="mw-redirect" title="Minor planet designation">Designation</a></th> <th colspan="3">Discovery</th> <th rowspan="2"><a href="/wiki/Absolute_magnitude#Solar_System_bodies_(H)" title="Absolute magnitude">(H)</a><br />(mag)</th> <th rowspan="2"><a href="/wiki/Diameter" title="Diameter">D</a><br />(km)</th> <th colspan="7">Orbital description</th> <th rowspan="2" width="240" class="unsortable">Remarks</th> <th rowspan="2" width="150" class="unsortable">References </th></tr> <tr> <th width="45">Year</th> <th><a href="/wiki/List_of_observatory_codes" title="List of observatory codes">Place</a></th> <th width="115"><a href="/wiki/List_of_minor_planet_discoverers" title="List of minor planet discoverers">Discoverer</a></th> <th>Class</th> <th><a href="/wiki/Semi-major_axis" class="mw-redirect" title="Semi-major axis">a</a><br /><span style="font-size:85%;">(<a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a>)</span></th> <th><a href="/wiki/Orbital_eccentricity" title="Orbital eccentricity">e</a></th> <th><a href="/wiki/Orbital_inclination" title="Orbital inclination"><i>i</i></a><br /><span style="font-size:85%;">(<a href="/wiki/Degree_(angle)" title="Degree (angle)">°</a>)</span></th> <th><a href="/wiki/Perihelion" class="mw-redirect" title="Perihelion">q</a><br /><span style="font-size:85%;">(AU)</span></th> <th><a href="/wiki/Aphelion" class="mw-redirect" title="Aphelion">Q</a><br /><span style="font-size:85%;">(AU)</span></th> <th><a href="/wiki/Minimum_orbital_intersection_distance" class="mw-redirect" title="Minimum orbital intersection distance">MOID</a><br /><span style="font-size:85%;">(AU)</span> </th></tr> <tr> <td data-sort-value="4953"><span class="nowrap"><a href="/wiki/(4953)_1990_MU" title="(4953) 1990 MU">(4953) 1990 MU</a></span> </td> <td>1990 </td> <td><a href="/wiki/IAU_code#413" class="mw-redirect" title="IAU code">413</a> </td> <td>R. H. McNaught </td> <td>14.1 </td> <td>3 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.621 </td> <td>0.658 </td> <td>24.4 </td> <td>0.555 </td> <td>2.687 </td> <td>0.02640 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=4953">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=4953">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_4001%E2%80%935000#953" title="List of minor planets: 4001–5000">catalog</a> </td></tr> <tr> <td data-sort-value="3122"><a href="/wiki/3122_Florence" title="3122 Florence">3122 Florence</a> </td> <td>1981 </td> <td><a href="/wiki/IAU_code#413" class="mw-redirect" title="IAU code">413</a> </td> <td>S. J. Bus </td> <td>14.1 </td> <td>5 </td> <td><a href="/wiki/Amor_asteroid" title="Amor asteroid">AMO</a> </td> <td>1.769 </td> <td>0.423 </td> <td>22.2 </td> <td>1.020 </td> <td>2.518 </td> <td>0.04430 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=3122">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3122">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_3001%E2%80%934000#122" title="List of minor planets: 3001–4000">catalog</a> </td></tr> <tr> <td data-sort-value="16960"><span class="nowrap"><a href="/wiki/(16960)_1998_QS52" title="(16960) 1998 QS52">(16960) 1998 QS<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">52</span></span></a></span> </td> <td>1998 </td> <td><a href="/wiki/IAU_code#704" class="mw-redirect" title="IAU code">704</a> </td> <td>LINEAR </td> <td>14.3 </td> <td>4 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.203 </td> <td>0.858 </td> <td>17.5 </td> <td>0.313 </td> <td>4.093 </td> <td>0.01443 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=16960">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=16960">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_16001%E2%80%9317000#960" title="List of minor planets: 16001–17000">catalog</a> </td></tr> <tr> <td data-sort-value="4183"><a href="/wiki/4183_Cuno" title="4183 Cuno">4183 Cuno</a> </td> <td>1959 </td> <td><a href="/wiki/IAU_code#074" class="mw-redirect" title="IAU code">074</a> </td> <td>C. Hoffmeister </td> <td>14.4 </td> <td>4 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.982 </td> <td>0.634 </td> <td>6.7 </td> <td>0.725 </td> <td>3.240 </td> <td>0.02825 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=4183">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=4183">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_4001%E2%80%935000#183" title="List of minor planets: 4001–5000">catalog</a> </td></tr> <tr> <td data-sort-value="3200"><a href="/wiki/3200_Phaethon" title="3200 Phaethon">3200 Phaethon</a> </td> <td>1983 </td> <td><a href="/wiki/IAU_code#500" class="mw-redirect" title="IAU code">500</a> </td> <td>IRAS </td> <td>14.6 </td> <td>5.8 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.271 </td> <td>0.890 </td> <td>22.3 </td> <td>0.140 </td> <td>2.402 </td> <td>0.01945 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=3200">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3200">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_3001%E2%80%934000#200" title="List of minor planets: 3001–4000">catalog</a> </td></tr> <tr> <td data-sort-value="242450"><span class="nowrap"><a href="/wiki/(242450)_2004_QY2" title="(242450) 2004 QY2">(242450) 2004 QY<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">2</span></span></a></span> </td> <td>2004 </td> <td><a href="/wiki/IAU_code#E12" class="mw-redirect" title="IAU code">E12</a> </td> <td>Siding Spring Survey </td> <td>14.7 </td> <td>3 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.084 </td> <td>0.477 </td> <td>37.0 </td> <td>0.567 </td> <td>1.601 </td> <td>0.04686 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=242450">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=242450">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_242001%E2%80%93243000#450" title="List of minor planets: 242001–243000">catalog</a> </td></tr> <tr> <td data-sort-value="89830"><span class="nowrap"><a href="/wiki/(89830)_2002_CE" title="(89830) 2002 CE">(89830) 2002 CE</a></span> </td> <td>2002 </td> <td><a href="/wiki/IAU_code#704" class="mw-redirect" title="IAU code">704</a> </td> <td>LINEAR </td> <td>14.9 </td> <td>3.1 </td> <td><a href="/wiki/Amor_asteroid" title="Amor asteroid">AMO</a> </td> <td>2.077 </td> <td>0.507 </td> <td>43.7 </td> <td>1.023 </td> <td>3.131 </td> <td>0.02767 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=89830">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=89830">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_89001%E2%80%9390000#830" title="List of minor planets: 89001–90000">catalog</a> </td></tr> <tr> <td data-sort-value="137427"><span class="nowrap"><a href="/wiki/(137427)_1999_TF211" class="mw-redirect" title="(137427) 1999 TF211">(137427) 1999 TF<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">211</span></span></a></span> </td> <td>1999 </td> <td><a href="/wiki/IAU_code#704" class="mw-redirect" title="IAU code">704</a> </td> <td>LINEAR </td> <td>15.1 </td> <td>2.9 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.448 </td> <td>0.610 </td> <td>39.2 </td> <td>0.955 </td> <td>3.942 </td> <td>0.01787 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=137427">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=137427">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_137001%E2%80%93138000#427" title="List of minor planets: 137001–138000">catalog</a> </td></tr> <tr> <td data-sort-value="111253"><span class="nowrap"><a href="/wiki/(111253)_2001_XU10" title="(111253) 2001 XU10">(111253) 2001 XU<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">10</span></span></a></span> </td> <td>2001 </td> <td><a href="/wiki/IAU_code#704" class="mw-redirect" title="IAU code">704</a> </td> <td>LINEAR </td> <td>15.2 </td> <td>3 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.754 </td> <td>0.439 </td> <td>42.0 </td> <td>0.983 </td> <td>2.524 </td> <td>0.02934 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=111253">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=111253">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_111001%E2%80%93112000#253" title="List of minor planets: 111001–112000">catalog</a> </td></tr> <tr> <td data-sort-value="53319"><span class="nowrap"><a href="/wiki/(53319)_1999_JM8" title="(53319) 1999 JM8">(53319) 1999 JM<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">8</span></span></a></span> </td> <td>1999 </td> <td><a href="/wiki/IAU_code#704" class="mw-redirect" title="IAU code">704</a> </td> <td>LINEAR </td> <td>15.2 </td> <td>7 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.726 </td> <td>0.641 </td> <td>13.8 </td> <td>0.978 </td> <td>4.474 </td> <td>0.02346 </td> <td>Likely largest PHO </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=53319">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=53319">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_53001%E2%80%9354000#319" title="List of minor planets: 53001–54000">catalog</a> </td></tr> <tr> <td data-sort-value="1981"><a href="/wiki/1981_Midas" title="1981 Midas">1981 Midas</a> </td> <td>1973 </td> <td><a href="/wiki/IAU_code#675" class="mw-redirect" title="IAU code">675</a> </td> <td>C. T. Kowal </td> <td>15.2 </td> <td>2 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.776 </td> <td>0.650 </td> <td>39.8 </td> <td>0.621 </td> <td>2.931 </td> <td>0.00449 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=1981">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=1981">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_1001%E2%80%932000#981" title="List of minor planets: 1001–2000">catalog</a> </td></tr> <tr> <td data-sort-value="2201"><a href="/wiki/2201_Oljato" title="2201 Oljato">2201 Oljato</a> </td> <td>1947 </td> <td><a href="/wiki/IAU_code#690" class="mw-redirect" title="IAU code">690</a> </td> <td>H. L. Giclas </td> <td>15.25 </td> <td>2.1 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.175 </td> <td>0.713 </td> <td>2.5 </td> <td>0.624 </td> <td>3.726 </td> <td>0.00305 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2201">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2201">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_2001%E2%80%933000#201" title="List of minor planets: 2001–3000">catalog</a> </td></tr> <tr> <td data-sort-value="90075"><span class="nowrap"><a href="/wiki/(90075)_2002_VU94" title="(90075) 2002 VU94">(90075) 2002 VU<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">94</span></span></a></span> </td> <td>2002 </td> <td><a href="/wiki/IAU_code#644" class="mw-redirect" title="IAU code">644</a> </td> <td>NEAT </td> <td>15.3 </td> <td>2.2 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.134 </td> <td>0.576 </td> <td>8.9 </td> <td>0.904 </td> <td>3.363 </td> <td>0.03010 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=90075">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=90075">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_90001%E2%80%9391000#075" title="List of minor planets: 90001–91000">catalog</a> </td></tr> <tr> <td data-sort-value="4179"><a href="/wiki/4179_Toutatis" title="4179 Toutatis">4179 Toutatis</a> </td> <td>1989 </td> <td><a href="/wiki/IAU_code#010" class="mw-redirect" title="IAU code">010</a> </td> <td>C. Pollas </td> <td>15.30 </td> <td>2.5 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.536 </td> <td>0.629 </td> <td>0.4 </td> <td>0.940 </td> <td>4.132 </td> <td>0.00615 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=4179">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=4179">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_4001%E2%80%935000#179" title="List of minor planets: 4001–5000">catalog</a> </td></tr> <tr> <td data-sort-value="159857"><span class="nowrap"><a href="/wiki/(159857)_2004_LJ1" title="(159857) 2004 LJ1">(159857) 2004 LJ<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span> </td> <td>2004 </td> <td><a href="/wiki/IAU_code#704" class="mw-redirect" title="IAU code">704</a> </td> <td>LINEAR </td> <td>15.4 </td> <td>3 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.264 </td> <td>0.593 </td> <td>23.1 </td> <td>0.920 </td> <td>3.607 </td> <td>0.01682 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=159857">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=159857">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_159001%E2%80%93160000#857" title="List of minor planets: 159001–160000">catalog</a> </td></tr> <tr> <td data-sort-value="85713"><span class="nowrap"><a href="/wiki/(85713)_1998_SS49" title="(85713) 1998 SS49">(85713) 1998 SS<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">49</span></span></a></span> </td> <td>1998 </td> <td><a href="/wiki/IAU_code#704" class="mw-redirect" title="IAU code">704</a> </td> <td>LINEAR </td> <td>15.6 </td> <td>3.5 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.924 </td> <td>0.639 </td> <td>10.8 </td> <td>0.694 </td> <td>3.154 </td> <td>0.00234 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=85713">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=85713">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_85001%E2%80%9386000#713" title="List of minor planets: 85001–86000">catalog</a> </td></tr> <tr> <td data-sort-value="4486"><a href="/wiki/4486_Mithra" title="4486 Mithra">4486 Mithra</a> </td> <td>1987 </td> <td><a href="/wiki/IAU_code#071" class="mw-redirect" title="IAU code">071</a> </td> <td>E. W. Elst<br />V. G. Shkodrov </td> <td>15.6 </td> <td>2 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.200 </td> <td>0.663 </td> <td>3.0 </td> <td>0.742 </td> <td>3.658 </td> <td>0.04626 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=4486">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=4486">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_4001%E2%80%935000#486" title="List of minor planets: 4001–5000">catalog</a> </td></tr> <tr> <td data-sort-value="1620"><a href="/wiki/1620_Geographos" title="1620 Geographos">1620 Geographos</a> </td> <td>1951 </td> <td><a href="/wiki/IAU_code#675" class="mw-redirect" title="IAU code">675</a> </td> <td>A. G. Wilson<br />R. Minkowski </td> <td>15.60 </td> <td>2.5 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.245 </td> <td>0.335 </td> <td>13.3 </td> <td>0.828 </td> <td>1.663 </td> <td>0.03007 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=1620">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=1620">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_1001%E2%80%932000#620" title="List of minor planets: 1001–2000">catalog</a> </td></tr> <tr> <td data-sort-value="415029"><span class="nowrap"><a href="/wiki/(415029)_2011_UL21" title="(415029) 2011 UL21">(415029) 2011 UL<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">21</span></span></a></span> </td> <td>2011 </td> <td><a href="/wiki/IAU_code#703" class="mw-redirect" title="IAU code">703</a> </td> <td>CSS </td> <td>15.7 </td> <td>2.5 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.122 </td> <td>0.653 </td> <td>34.9 </td> <td>0.736 </td> <td>3.509 </td> <td>0.01925 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=415029">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=415029">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_415001%E2%80%93416000#029" title="List of minor planets: 415001–416000">catalog</a> </td></tr> <tr> <td data-sort-value="242216"><span class="nowrap"><a href="/wiki/(242216)_2003_RN10" class="mw-redirect" title="(242216) 2003 RN10">(242216) 2003 RN<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">10</span></span></a></span> </td> <td>2003 </td> <td><a href="/wiki/IAU_code#699" class="mw-redirect" title="IAU code">699</a> </td> <td>LONEOS </td> <td>15.7 </td> <td>2.5 </td> <td><a href="/wiki/Amor_asteroid" title="Amor asteroid">AMO</a> </td> <td>2.231 </td> <td>0.541 </td> <td>39.6 </td> <td>1.024 </td> <td>3.438 </td> <td>0.00956 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=242216">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=242216">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_242001%E2%80%93243000#216" title="List of minor planets: 242001–243000">catalog</a> </td></tr> <tr> <td data-sort-value="12923"><a href="/wiki/12923_Zephyr" title="12923 Zephyr">12923 Zephyr</a> </td> <td>1999 </td> <td><a href="/wiki/IAU_code#699" class="mw-redirect" title="IAU code">699</a> </td> <td>LONEOS </td> <td>15.8 </td> <td>2 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>1.962 </td> <td>0.492 </td> <td>5.3 </td> <td>0.996 </td> <td>2.927 </td> <td>0.02115 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=12923">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=12923">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_12001%E2%80%9313000#923" title="List of minor planets: 12001–13000">catalog</a> </td></tr> <tr> <td data-sort-value="12923"><span class="nowrap"><a href="/wiki/(52768)_1998_OR2" title="(52768) 1998 OR2">(52768) 1998 OR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">2</span></span></a></span> </td> <td>1998 </td> <td><a href="/wiki/IAU_code#566" class="mw-redirect" title="IAU code">566</a> </td> <td>NEAT </td> <td>15.8 </td> <td>2 </td> <td><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">APO</a> </td> <td>2.380 </td> <td>0.573 </td> <td>5.9 </td> <td>1.017 </td> <td>3.743 </td> <td>0.01573 </td> <td>— </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=52768">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=52768">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_52001%E2%80%9353000#768" title="List of minor planets: 52001–53000">catalog</a> </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Statistics">Statistics</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=7" title="Edit section: Statistics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Below is a list of the largest PHAs (based on <a href="/wiki/Absolute_magnitude#Solar_System_bodies_(H)" title="Absolute magnitude">absolute magnitude H</a>) discovered in a given year. Historical data of the cumulative number of discovered PHA since 1999 are displayed in the bar charts—one for the total number and the other for objects larger than one kilometer.<sup id="cite_ref-CNEOS-totals_5-3" class="reference"><a href="#cite_note-CNEOS-totals-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> PHAs brighter than absolute magnitude 17.75 are likely larger than 1 km in size. </p> <table class="wikitable floatleft sortable"> <caption>Brightest PHA discoveries of each calendar year since 1989 <sup id="cite_ref-MPC-PHA-list_10-3" class="reference"><a href="#cite_note-MPC-PHA-list-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </caption> <tbody><tr> <th data-sort-type="number">Number </th> <th width="85">Name </th> <th width="35">Year </th> <th width="35"><a href="/wiki/Absolute_magnitude#Solar_System_bodies_(H)" title="Absolute magnitude">(H)</a> </th> <th>Refs </th></tr> <tr> <td align="right">4179 </td> <td><a href="/wiki/4179_Toutatis" title="4179 Toutatis">Toutatis</a> </td> <td>1989 </td> <td>15.3 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=4179">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=4179">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_4001%E2%80%935000#179" title="List of minor planets: 4001–5000">catalog</a> </td></tr> <tr> <td align="right">4953 </td> <td><span class="nowrap"><a href="/wiki/(4953)_1990_MU" title="(4953) 1990 MU">1990 MU</a></span> </td> <td>1990 </td> <td>14.9 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=4953">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=4953">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_4001%E2%80%935000#953" title="List of minor planets: 4001–5000">catalog</a> </td></tr> <tr> <td align="right">7341 </td> <td><span class="nowrap"><a href="/wiki/1991_VH" class="mw-redirect" title="1991 VH">1991 VH</a></span> </td> <td>1991 </td> <td>17.0 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=35107">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=35107">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_35001%E2%80%9336000#107" title="List of minor planets: 35001–36000">catalog</a> </td></tr> <tr> <td align="right">10115 </td> <td><span class="nowrap"><a href="/wiki/1992_SK" class="mw-redirect" title="1992 SK">1992 SK</a></span> </td> <td>1992 </td> <td>17.2 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=10115">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=10115">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_10001%E2%80%9311000#115" title="List of minor planets: 10001–11000">catalog</a> </td></tr> <tr> <td align="right">39572 </td> <td><span class="nowrap"><a href="/w/index.php?title=(39572)_1993_DQ1&action=edit&redlink=1" class="new" title="(39572) 1993 DQ1 (page does not exist)">1993 DQ<sub>1</sub></a></span> </td> <td>1993 </td> <td>16.6 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=39572">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=39572">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_39001%E2%80%9340000#572" title="List of minor planets: 39001–40000">catalog</a> </td></tr> <tr> <td align="right">7482 </td> <td><span class="nowrap"><a href="/wiki/(7482)_1994_PC1" title="(7482) 1994 PC1">1994 PC<sub>1</sub></a></span> </td> <td>1994 </td> <td>16.7 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=7482">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=7482">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_7001%E2%80%938000#482" title="List of minor planets: 7001–8000">catalog</a> </td></tr> <tr> <td align="right">243566 </td> <td><span class="nowrap"><a href="/w/index.php?title=(243566)_1995_SA&action=edit&redlink=1" class="new" title="(243566) 1995 SA (page does not exist)">1995 SA</a></span> </td> <td>1995 </td> <td>17.4 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=243566">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=243566">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_243001%E2%80%93244000#566" title="List of minor planets: 243001–244000">catalog</a> </td></tr> <tr> <td align="right">8566 </td> <td><span class="nowrap"><a href="/w/index.php?title=(8566)_1996_EN&action=edit&redlink=1" class="new" title="(8566) 1996 EN (page does not exist)">1996 EN</a></span> </td> <td>1996 </td> <td>16.3 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=8566">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=8566">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_8001%E2%80%939000#566" title="List of minor planets: 8001–9000">catalog</a> </td></tr> <tr> <td align="right">35396 </td> <td><span class="nowrap"><a href="/wiki/1997_XF11" class="mw-redirect" title="1997 XF11">1997 XF<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">11</span></span></a></span> </td> <td>1997 </td> <td>17.0 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=35396">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=35396">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_35001%E2%80%9336000#396" title="List of minor planets: 35001–36000">catalog</a> </td></tr> <tr> <td align="right">16960 </td> <td><span class="nowrap"><a href="/wiki/(16960)_1998_QS52" title="(16960) 1998 QS52">1998 QS<sub>52</sub></a></span> </td> <td>1998 </td> <td>14.4 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=16960">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=16960">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_16001%E2%80%9317000#960" title="List of minor planets: 16001–17000">catalog</a> </td></tr> <tr> <td align="right">137427 </td> <td><span class="nowrap"><a href="/wiki/(137427)_1999_TF211" class="mw-redirect" title="(137427) 1999 TF211">1999 TF<sub>211</sub></a></span> </td> <td>1999 </td> <td>15.3 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=137427">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=137427">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_137001%E2%80%93138000#427" title="List of minor planets: 137001–138000">catalog</a> </td></tr> <tr> <td align="right">138095 </td> <td><span class="nowrap"><a href="/wiki/(138095)_2000_DK79" class="mw-redirect" title="(138095) 2000 DK79">2000 DK<sub>79</sub></a></span> </td> <td>2000 </td> <td>16.0 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=138095">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=138095">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_138001%E2%80%93139000#095" title="List of minor planets: 138001–139000">catalog</a> </td></tr> <tr> <td align="right">111253 </td> <td><span class="nowrap"><a href="/wiki/(111253)_2001_XU10" title="(111253) 2001 XU10">2001 XU<sub>10</sub></a></span> </td> <td>2001 </td> <td>15.3 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=111253">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=111253">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_111001%E2%80%93112000#253" title="List of minor planets: 111001–112000">catalog</a> </td></tr> <tr> <td align="right">89830 </td> <td><span class="nowrap"><a href="/wiki/(89830)_2002_CE" title="(89830) 2002 CE">2002 CE</a></span> </td> <td>2002 </td> <td>15.0 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=89830">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=89830">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_89001%E2%80%9390000#830" title="List of minor planets: 89001–90000">catalog</a> </td></tr> <tr> <td align="right">242216 </td> <td><span class="nowrap"><a href="/wiki/(242216)_2003_RN10" class="mw-redirect" title="(242216) 2003 RN10">2003 RN<sub>10</sub></a></span> </td> <td>2003 </td> <td>15.7 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=242216">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=242216">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_242001%E2%80%93243000#216" title="List of minor planets: 242001–243000">catalog</a> </td></tr> <tr> <td align="right">242450 </td> <td><span class="nowrap"><a href="/wiki/(242450)_2004_QY2" title="(242450) 2004 QY2">2004 QY<sub>2</sub></a></span> </td> <td>2004 </td> <td>14.6 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=242450">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=242450">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_242001%E2%80%93243000#450" title="List of minor planets: 242001–243000">catalog</a> </td></tr> <tr> <td align="right">308242 </td> <td><span class="nowrap"><a href="/wiki/(308242)_2005_GO21" title="(308242) 2005 GO21">2005 GO<sub>21</sub></a></span> </td> <td>2005 </td> <td>16.3 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=308242">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=308242">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_308001%E2%80%93309000#242" title="List of minor planets: 308001–309000">catalog</a> </td></tr> <tr> <td align="right">374851 </td> <td><span class="nowrap"><a href="/wiki/(374851)_2006_VV2" class="mw-redirect" title="(374851) 2006 VV2">2006 VV<sub>2</sub></a></span> </td> <td>2006 </td> <td>16.7 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=374851">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=374851">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_374001%E2%80%93375000#851" title="List of minor planets: 374001–375000">catalog</a> </td></tr> <tr> <td align="right">214869 </td> <td><span class="nowrap"><a href="/wiki/(214869)_2007_PA8" title="(214869) 2007 PA8">2007 PA<sub>8</sub></a></span> </td> <td>2007 </td> <td>16.5 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=214869">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=214869">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_214001%E2%80%93215000#869" title="List of minor planets: 214001–215000">catalog</a> </td></tr> <tr> <td align="right">294739 </td> <td><span class="nowrap"><a href="/w/index.php?title=(294739)_2008_CM&action=edit&redlink=1" class="new" title="(294739) 2008 CM (page does not exist)">2008 CM</a></span> </td> <td>2008 </td> <td>17.1 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=294739">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=294739">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_294001%E2%80%93295000#739" title="List of minor planets: 294001–295000">catalog</a> </td></tr> <tr> <td align="right">523630 </td> <td><span class="nowrap"><a href="/w/index.php?title=(523630)_2009_OG&action=edit&redlink=1" class="new" title="(523630) 2009 OG (page does not exist)">2009 OG</a></span> </td> <td>2009 </td> <td>16.2 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=523630">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=523630">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_523001%E2%80%93524000#630" title="List of minor planets: 523001–524000">catalog</a> </td></tr> <tr> <td align="right">458122 </td> <td><span class="nowrap"><a href="/w/index.php?title=(381906)_2010_EW45&action=edit&redlink=1" class="new" title="(381906) 2010 EW45 (page does not exist)">2010 EW<sub>45</sub></a></span> </td> <td>2010 </td> <td>17.6 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=458122">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=458122">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_458001%E2%80%93459000#122" title="List of minor planets: 458001–459000">catalog</a> </td></tr> <tr> <td align="right">415029 </td> <td><span class="nowrap"><a href="/wiki/(415029)_2011_UL21" title="(415029) 2011 UL21">2011 UL<sub>21</sub></a></span> </td> <td>2011 </td> <td>15.9 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=415029">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=415029">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_415001%E2%80%93416000#029" title="List of minor planets: 415001–416000">catalog</a> </td></tr> <tr> <td align="right">746849 </td> <td><span class="nowrap"><a href="/w/index.php?title=2012_HJ1&action=edit&redlink=1" class="new" title="2012 HJ1 (page does not exist)">2012 HJ<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span> </td> <td>2012 </td> <td>17.9 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2012+HJ1">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2012+HJ1">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_746001%E2%80%93747000#849" title="List of minor planets: 746001–747000">catalog</a> </td></tr> <tr> <td align="right">507716 </td> <td><span class="nowrap"><a href="/w/index.php?title=(507716)_2013_UP8&action=edit&redlink=1" class="new" title="(507716) 2013 UP8 (page does not exist)">2013 UP<sub>8</sub></a></span> </td> <td>2013 </td> <td>16.4 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=507716">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=507716">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_507001%E2%80%93508000#716" title="List of minor planets: 507001–508000">catalog</a> </td></tr> <tr> <td align="right">533671 </td> <td><span class="nowrap"><a href="/w/index.php?title=2014_LJ21&action=edit&redlink=1" class="new" title="2014 LJ21 (page does not exist)">2014 LJ<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">21</span></span></a></span> </td> <td>2014 </td> <td>16.1 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=533671">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=533671">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_533001%E2%80%93534000#671" title="List of minor planets: 533001–534000">catalog</a> </td></tr> <tr> <td align="right">– </td> <td><span class="nowrap"><a href="/w/index.php?title=2015_HY116&action=edit&redlink=1" class="new" title="2015 HY116 (page does not exist)">2015 HY<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">116</span></span></a></span> </td> <td>2015 </td> <td>17.6 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2015+HY116">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2015+HY116">JPL</a></small> <b>·</b>  — </td></tr> <tr> <td align="right">620095 </td> <td><span class="nowrap"><a href="/w/index.php?title=2016_CB194&action=edit&redlink=1" class="new" title="2016 CB194 (page does not exist)">2016 CB<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">194</span></span></a></span> </td> <td>2016 </td> <td>17.6 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=620095">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=620095">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_620001%E2%80%93621000#095" title="List of minor planets: 620001–621000">catalog</a> </td></tr> <tr> <td align="right">– </td> <td><span class="nowrap"><a href="/w/index.php?title=2017_CH1&action=edit&redlink=1" class="new" title="2017 CH1 (page does not exist)">2017 CH<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span> </td> <td>2017 </td> <td>17.9 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2017+CH1">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2017+CH1">JPL</a></small> <b>·</b>  — </td></tr> <tr> <td align="right">756316 </td> <td><span class="nowrap"><a href="/w/index.php?title=2018_XV5&action=edit&redlink=1" class="new" title="2018 XV5 (page does not exist)">2018 XV<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">5</span></span></a></span> </td> <td>2018 </td> <td>17.7 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2018+XV5">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2018+XV5">JPL</a></small> <b>·</b> <a href="/wiki/List_of_minor_planets:_756001%E2%80%93757000#316" title="List of minor planets: 756001–757000">catalog</a> </td></tr> <tr> <td align="right">– </td> <td><span class="nowrap"><a href="/w/index.php?title=2019_RU3&action=edit&redlink=1" class="new" title="2019 RU3 (page does not exist)">2019 RU<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">3</span></span></a></span> </td> <td>2019 </td> <td>18.1 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2019+RU3">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2019+RU3">JPL</a></small> <b>·</b>  — </td></tr> <tr> <td align="right">– </td> <td><span class="nowrap"><a href="/wiki/2020_SL1" title="2020 SL1">2020 SL<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span> </td> <td>2020 </td> <td>17.7 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2020+SL1">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2020+SL1">JPL</a></small> <b>·</b>  — </td></tr> <tr> <td align="right">– </td> <td><span class="nowrap"><a href="/w/index.php?title=2021_HK12&action=edit&redlink=1" class="new" title="2021 HK12 (page does not exist)">2021 HK<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">12</span></span></a></span> </td> <td>2021 </td> <td>17.7 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2021+HK12">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2021+HK12">JPL</a></small> <b>·</b>  — </td></tr> <tr> <td align="right">– </td> <td><span class="nowrap"><a href="/wiki/2022_AP7" title="2022 AP7">2022 AP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">7</span></span></a></span> </td> <td>2022 </td> <td>17.3 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2022+AP7">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2022+AP7">JPL</a></small> <b>·</b>  — </td></tr> <tr> <td align="right">– </td> <td><span class="nowrap"><a href="/w/index.php?title=2023_QF5&action=edit&redlink=1" class="new" title="2023 QF5 (page does not exist)">2023 QF<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">5</span></span></a></span> </td> <td>2023 </td> <td>18.3 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2023+QF5">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2023+QF5">JPL</a></small> <b>·</b>  — </td></tr> <tr> <td align="right">– </td> <td><span class="nowrap"><a href="/w/index.php?title=2024_YU4&action=edit&redlink=1" class="new" title="2024 YU4 (page does not exist)">2024 YU<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span> </td> <td>2024 </td> <td>18.8 </td> <td><small><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/db_search/show_object?object_id=2024+YU4">MPC</a></small> <b>·</b> <small><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2024+YU4">JPL</a></small> <b>·</b>  — </td></tr></tbody></table> <div class="thumb tright" style=""><div class="thumbinner" style="width:502px"><div class="thumbimage noresize" style="width:500px;"> <div style="margin: 15px 5px -30px -50px; font-size: 80%;"><div style="padding-top:10px;margin-top:1em;max-width:500px;" class="chart noresize"> <div style="position:relative;min-height:300px;min-width:500px;max-width:500px;"> <div style="float:right;position:relative;min-height:220px;min-width:400px;max-width:400px;border-left:1px black solid;border-bottom:1px black solid;"> <div style="position:absolute;left:2px;top:165px;height:54px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="50 PHA-KM discovered"></div> <div style="position:absolute;left:19px;top:155px;height:64px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="59 PHA-KM discovered"></div> <div style="position:absolute;left:36px;top:142px;height:77px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="71 PHA-KM discovered"></div> <div style="position:absolute;left:53px;top:129px;height:90px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="83 PHA-KM discovered"></div> <div style="position:absolute;left:70px;top:112px;height:107px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="98 PHA-KM discovered"></div> <div style="position:absolute;left:87px;top:104px;height:115px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="105 PHA-KM discovered"></div> <div style="position:absolute;left:104px;top:87px;height:132px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="121 PHA-KM discovered"></div> <div style="position:absolute;left:121px;top:77px;height:142px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="130 PHA-KM discovered"></div> <div style="position:absolute;left:138px;top:73px;height:146px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="134 PHA-KM discovered"></div> <div style="position:absolute;left:155px;top:68px;height:151px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="138 PHA-KM discovered"></div> <div style="position:absolute;left:172px;top:64px;height:155px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="142 PHA-KM discovered"></div> <div style="position:absolute;left:189px;top:60px;height:159px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="145 PHA-KM discovered"></div> <div style="position:absolute;left:206px;top:59px;height:160px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="146 PHA-KM discovered"></div> <div style="position:absolute;left:223px;top:55px;height:164px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="150 PHA-KM discovered"></div> <div style="position:absolute;left:240px;top:55px;height:164px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="150 PHA-KM discovered"></div> <div style="position:absolute;left:257px;top:53px;height:166px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="152 PHA-KM discovered"></div> <div style="position:absolute;left:274px;top:52px;height:167px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="153 PHA-KM discovered"></div> <div style="position:absolute;left:291px;top:49px;height:170px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="155 PHA-KM discovered"></div> <div style="position:absolute;left:308px;top:48px;height:171px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="156 PHA-KM discovered"></div> <div style="position:absolute;left:325px;top:48px;height:171px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="156 PHA-KM discovered"></div> <div style="position:absolute;left:342px;top:48px;height:171px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="156 PHA-KM discovered"></div> <div style="position:absolute;left:359px;top:47px;height:172px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="157 PHA-KM discovered"></div> <div style="position:absolute;left:376px;top:47px;height:172px;min-width:11px;max-width:11px;background-color:#FF3366;-webkit-print-color-adjust:exact;border:1px solid #FF3366;border-bottom:none;overflow:hidden;" title="157 PHA-KM discovered"></div> </div> <div style="position:absolute;height:220px;min-width:100px;max-width:100px;"> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:155px;padding:0 2px">50</div> <div style="position:absolute;height=1px;min-width:5px;top:165px;left:96px;border:1px solid black;"></div> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:100px;padding:0 2px">100</div> <div style="position:absolute;height=1px;min-width:5px;top:110px;left:96px;border:1px solid black;"></div> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:45px;padding:0 2px">150</div> <div style="position:absolute;height=1px;min-width:5px;top:55px;left:96px;border:1px solid black;"></div> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:-10px;padding:0 2px">200</div> <div style="position:absolute;height=1px;min-width:5px;top:0px;left:96px;border:1px solid black;"></div> </div> <div style="position:absolute;top:220px;left:100px;width:400px;"> <div style="position:absolute;left:1px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">prev.</div> <div style="position:absolute;left:8.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:18px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">1999</div> <div style="position:absolute;left:25.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:52px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2001</div> <div style="position:absolute;left:59.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:86px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2003</div> <div style="position:absolute;left:93.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:120px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2005</div> <div style="position:absolute;left:127.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:154px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2007</div> <div style="position:absolute;left:161.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:188px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2009</div> <div style="position:absolute;left:195.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:222px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2011</div> <div style="position:absolute;left:229.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:256px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2013</div> <div style="position:absolute;left:263.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:290px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2015</div> <div style="position:absolute;left:297.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:324px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2017</div> <div style="position:absolute;left:331.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:358px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2019</div> <div style="position:absolute;left:365.5px;height:10px;width:1px;border-left:1px solid black;"></div> </div> </div> </div></div></div><div class="thumbcaption">Cumulative number of discovered potentially hazardous asteroids larger than 1 kilometer by end of year (first of December). As of September 2020, there are 157 known PHAs larger than one kilometer.<sup id="cite_ref-CNEOS-totals_5-4" class="reference"><a href="#cite_note-CNEOS-totals-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></div></div></div> <div class="thumb tright" style=""><div class="thumbinner" style="width:502px"><div class="thumbimage noresize" style="width:500px;"> <div style="margin: 15px 5px -30px -50px; font-size: 80%;"><div style="padding-top:10px;margin-top:1em;max-width:500px;" class="chart noresize"> <div style="position:relative;min-height:300px;min-width:500px;max-width:500px;"> <div style="float:right;position:relative;min-height:220px;min-width:400px;max-width:400px;border-left:1px black solid;border-bottom:1px black solid;"> <div style="position:absolute;left:2px;top:208px;height:11px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="162 PHA discovered"></div> <div style="position:absolute;left:19px;top:205px;height:14px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="209 PHA discovered"></div> <div style="position:absolute;left:36px;top:199px;height:20px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="286 PHA discovered"></div> <div style="position:absolute;left:53px;top:194px;height:25px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="360 PHA discovered"></div> <div style="position:absolute;left:70px;top:186px;height:33px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="466 PHA discovered"></div> <div style="position:absolute;left:87px;top:181px;height:38px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="536 PHA discovered"></div> <div style="position:absolute;left:104px;top:173px;height:46px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="636 PHA discovered"></div> <div style="position:absolute;left:121px;top:167px;height:52px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="729 PHA discovered"></div> <div style="position:absolute;left:138px;top:160px;height:59px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="819 PHA discovered"></div> <div style="position:absolute;left:155px;top:154px;height:65px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="897 PHA discovered"></div> <div style="position:absolute;left:172px;top:147px;height:72px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="993 PHA discovered"></div> <div style="position:absolute;left:189px;top:141px;height:78px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,078 PHA discovered"></div> <div style="position:absolute;left:206px;top:135px;height:84px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,158 PHA discovered"></div> <div style="position:absolute;left:223px;top:127px;height:92px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,265 PHA discovered"></div> <div style="position:absolute;left:240px;top:121px;height:98px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,344 PHA discovered"></div> <div style="position:absolute;left:257px;top:115px;height:104px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,436 PHA discovered"></div> <div style="position:absolute;left:274px;top:108px;height:111px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,524 PHA discovered"></div> <div style="position:absolute;left:291px;top:101px;height:118px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,629 PHA discovered"></div> <div style="position:absolute;left:308px;top:93px;height:126px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,736 PHA discovered"></div> <div style="position:absolute;left:325px;top:84px;height:135px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,857 PHA discovered"></div> <div style="position:absolute;left:342px;top:77px;height:142px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="1,944 PHA discovered"></div> <div style="position:absolute;left:359px;top:71px;height:148px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="2,036 PHA discovered"></div> <div style="position:absolute;left:376px;top:65px;height:154px;min-width:11px;max-width:11px;background-color:#003DF5;-webkit-print-color-adjust:exact;border:1px solid #003DF5;border-bottom:none;overflow:hidden;" title="2,115 PHA discovered"></div> </div> <div style="position:absolute;height:220px;min-width:100px;max-width:100px;"> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:173px;padding:0 2px">500</div> <div style="position:absolute;height=1px;min-width:5px;top:183px;left:96px;border:1px solid black;"></div> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:137px;padding:0 2px">1,000</div> <div style="position:absolute;height=1px;min-width:5px;top:147px;left:96px;border:1px solid black;"></div> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:100px;padding:0 2px">1,500</div> <div style="position:absolute;height=1px;min-width:5px;top:110px;left:96px;border:1px solid black;"></div> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:63px;padding:0 2px">2,000</div> <div style="position:absolute;height=1px;min-width:5px;top:73px;left:96px;border:1px solid black;"></div> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:27px;padding:0 2px">2,500</div> <div style="position:absolute;height=1px;min-width:5px;top:37px;left:96px;border:1px solid black;"></div> <div style="position:absolute;height=20px;text-align:right;vertical-align:middle;width:90px;top:-10px;padding:0 2px">3,000</div> <div style="position:absolute;height=1px;min-width:5px;top:0px;left:96px;border:1px solid black;"></div> </div> <div style="position:absolute;top:220px;left:100px;width:400px;"> <div style="position:absolute;left:1px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">prev.</div> <div style="position:absolute;left:8.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:18px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">1999</div> <div style="position:absolute;left:25.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:52px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2001</div> <div style="position:absolute;left:59.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:86px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2003</div> <div style="position:absolute;left:93.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:120px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2005</div> <div style="position:absolute;left:127.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:154px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2007</div> <div style="position:absolute;left:161.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:188px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2009</div> <div style="position:absolute;left:195.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:222px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2011</div> <div style="position:absolute;left:229.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:256px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2013</div> <div style="position:absolute;left:263.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:290px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2015</div> <div style="position:absolute;left:297.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:324px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2017</div> <div style="position:absolute;left:331.5px;height:10px;width:1px;border-left:1px solid black;"></div> <div style="position:absolute;left:358px;top:10px;min-width:15px;max-width:15px;text-align:center;vertical-align:top;">2019</div> <div style="position:absolute;left:365.5px;height:10px;width:1px;border-left:1px solid black;"></div> </div> </div> </div></div></div><div class="thumbcaption">Cumulative number of all discovered PHA by end of year (first of December). As of September 2020, there are 2115 PHAs.<sup id="cite_ref-CNEOS-totals_5-5" class="reference"><a href="#cite_note-CNEOS-totals-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></div></div></div> <div style="clear:both;" class=""></div> <div class="mw-heading mw-heading2"><h2 id="Gallery">Gallery</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=8" title="Edit section: Gallery"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:2005YU55-20111107.jpg" class="mw-file-description" title="Radar image of the 350-meter PHO (308635) 2005 YU55"><img alt="Radar image of the 350-meter PHO (308635) 2005 YU55" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/54/2005YU55-20111107.jpg/120px-2005YU55-20111107.jpg" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/54/2005YU55-20111107.jpg/180px-2005YU55-20111107.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/54/2005YU55-20111107.jpg/240px-2005YU55-20111107.jpg 2x" data-file-width="946" data-file-height="710" /></a></span></div> <div class="gallerytext">Radar image of the 350-meter PHO <span class="nowrap"><a href="/wiki/(308635)_2005_YU55" title="(308635) 2005 YU55">(308635) 2005 YU<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">55</span></span></a></span></div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=9" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col"> <ul><li><a href="/wiki/Asteroid_impact_avoidance" title="Asteroid impact avoidance">Asteroid impact avoidance</a></li> <li><a href="/wiki/Earth-grazing_fireball" title="Earth-grazing fireball">Earth-grazing fireball</a></li> <li><a href="/wiki/Global_catastrophic_risk" title="Global catastrophic risk">Global catastrophic risk</a></li> <li><a href="/wiki/List_of_asteroid_close_approaches_to_Earth" title="List of asteroid close approaches to Earth">List of asteroid close approaches to Earth</a></li> <li><a href="/wiki/Scout_(NASA_program)" class="mw-redirect" title="Scout (NASA program)">Scout (NASA program)</a> – JPL program to monitor the Minor Planet Center's catalog for Earth impacts<span style="display:none" class="category-annotation-with-redirected-description">Pages displaying short descriptions of redirect targets</span>; short term warnings</li> <li><a href="/wiki/Sentry_(monitoring_system)" title="Sentry (monitoring system)">Sentry (monitoring system)</a> – JPL program to monitor the Minor Planet Center's catalog for Earth impacts</li> <li><a href="/wiki/Spaceguard" title="Spaceguard">Spaceguard</a> – Efforts to study asteroids that might impact Earth</li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=10" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-note-diameter-estimates-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-note-diameter-estimates_7-0">^</a></b></span> <span class="reference-text">An object's calculated mean-diameter is only a rough estimate. It is inferred from the object's varying brightness—observed and measured at various times—and the assumed, yet often unknown reflectivity of its surface. NASA's <a rel="nofollow" class="external text" href="https://cneos.jpl.nasa.gov/tools/ast_size_est.html">Asteroid Size Estimator</a> is a tool for a generic <a href="/wiki/Absolute_magnitude" title="Absolute magnitude">absolute magnitude</a>-to-diameter conversion for an assumed <a href="/wiki/Geometric_albedo" title="Geometric albedo">geometric albedo</a>.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=11" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-Task-Force-Report-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-Task-Force-Report_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Task-Force-Report_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFTask_Force_on_potentially_hazardous_Near_Earth_Objects2000" class="citation journal cs1">Task Force on potentially hazardous Near Earth Objects (September 2000). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20161210142717/http://nss.org/resources/library/planetarydefense/2000-ReportOfTheTaskForceOnPotentiallyHazardousNearEarthObjects-UK.pdf">"Report of the Task Force on potentially hazardous Near Earth Objects"</a> <span class="cs1-format">(PDF)</span>. Archived from <a rel="nofollow" class="external text" href="http://www.nss.org/resources/library/planetarydefense/2000-ReportOfTheTaskForceOnPotentiallyHazardousNearEarthObjects-UK.pdf">the original</a> <span class="cs1-format">(PDF)</span> on 10 December 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">22 January</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Report+of+the+Task+Force+on+potentially+hazardous+Near+Earth+Objects&rft.date=2000-09&rft.au=Task+Force+on+potentially+hazardous+Near+Earth+Objects&rft_id=http%3A%2F%2Fwww.nss.org%2Fresources%2Flibrary%2Fplanetarydefense%2F2000-ReportOfTheTaskForceOnPotentiallyHazardousNearEarthObjects-UK.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotentially+hazardous+object" class="Z3988"></span> <span class="cs1-visible-error citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: </span><span class="cs1-visible-error citation-comment">Cite journal requires <code class="cs1-code">|journal=</code> (<a href="/wiki/Help:CS1_errors#missing_periodical" title="Help:CS1 errors">help</a>)</span></span> </li> <li id="cite_note-CNEOS-Basics-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-CNEOS-Basics_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-CNEOS-Basics_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-CNEOS-Basics_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://cneos.jpl.nasa.gov/about/neo_groups.html">"NEO Basics – Potentially Hazardous Asteroids (PHAs)"</a>. CNEOS NASA/JPL<span class="reference-accessdate">. Retrieved <span class="nowrap">16 January</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=NEO+Basics+%E2%80%93+Potentially+Hazardous+Asteroids+%28PHAs%29&rft.pub=CNEOS+NASA%2FJPL&rft_id=https%3A%2F%2Fcneos.jpl.nasa.gov%2Fabout%2Fneo_groups.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotentially+hazardous+object" class="Z3988"></span></span> </li> <li id="cite_note-sentry-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-sentry_3-0">^</a></b></span> <span class="reference-text">(17 <a href="/wiki/Sentry_(monitoring_system)#Numbers" title="Sentry (monitoring system)">Sentry "risk-listed"</a> PHAs / <a rel="nofollow" class="external text" href="https://cneos.jpl.nasa.gov/stats/totals.html">2289 known PHAs</a>) ≈ 0.74%</span> </li> <li id="cite_note-risk-table-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-risk-table_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-risk-table_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://cneos.jpl.nasa.gov/sentry/">"Sentry Risk Table"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2022-09-29</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Sentry+Risk+Table&rft_id=https%3A%2F%2Fcneos.jpl.nasa.gov%2Fsentry%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotentially+hazardous+object" class="Z3988"></span> (Click "Use Unconstrained Settings" and select "H<=22" for list of PHAs)</span> </li> <li id="cite_note-CNEOS-totals-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-CNEOS-totals_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-CNEOS-totals_5-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-CNEOS-totals_5-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-CNEOS-totals_5-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-CNEOS-totals_5-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-CNEOS-totals_5-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://cneos.jpl.nasa.gov/stats/totals.html">"Discovery Statistics – Cumulative Totals"</a>. CNEOS NASA/JPL. 7 January 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">16 January</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Discovery+Statistics+%E2%80%93+Cumulative+Totals&rft.pub=CNEOS+NASA%2FJPL&rft.date=2020-01-07&rft_id=https%3A%2F%2Fcneos.jpl.nasa.gov%2Fstats%2Ftotals.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotentially+hazardous+object" class="Z3988"></span></span> </li> <li id="cite_note-MPC-unusual-overview-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-MPC-unusual-overview_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/iau/lists/Unusual.html">"Unusual Minor Planets – Overview"</a>. Minor Planet Center<span class="reference-accessdate">. Retrieved <span class="nowrap">16 January</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Unusual+Minor+Planets+%E2%80%93+Overview&rft.pub=Minor+Planet+Center&rft_id=https%3A%2F%2Fminorplanetcenter.net%2Fiau%2Flists%2FUnusual.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotentially+hazardous+object" class="Z3988"></span></span> </li> <li id="cite_note-SBDB-query-all-PHA-Apollos-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-SBDB-query-all-PHA-Apollos_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb_query.cgi?obj_group=pha;obj_kind=all;obj_numbered=all;ast_orbit_class=APO;OBJ_field=0;ORB_field=0;table_format=HTML;max_rows=100;format_option=comp;c_fields=AcBhBgBjBiBnBsCjCpAi;.cgifields=format_option;.cgifields=obj_kind;.cgifields=obj_group;.cgifields=obj_numbered;.cgifields=ast_orbit_class;.cgifields=table_format;.cgifields=com_orbit_class&query=1&c_sort=AcA">"JPL Small-Body Database Search Engine: PHAs and orbital class (APO)"</a>. JPL Solar System Dynamics<span class="reference-accessdate">. Retrieved <span class="nowrap">16 January</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=JPL+Small-Body+Database+Search+Engine%3A+PHAs+and+orbital+class+%28APO%29&rft.pub=JPL+Solar+System+Dynamics&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fsbdb_query.cgi%3Fobj_group%3Dpha%3Bobj_kind%3Dall%3Bobj_numbered%3Dall%3Bast_orbit_class%3DAPO%3BOBJ_field%3D0%3BORB_field%3D0%3Btable_format%3DHTML%3Bmax_rows%3D100%3Bformat_option%3Dcomp%3Bc_fields%3DAcBhBgBjBiBnBsCjCpAi%3B.cgifields%3Dformat_option%3B.cgifields%3Dobj_kind%3B.cgifields%3Dobj_group%3B.cgifields%3Dobj_numbered%3B.cgifields%3Dast_orbit_class%3B.cgifields%3Dtable_format%3B.cgifields%3Dcom_orbit_class%26query%3D1%26c_sort%3DAcA&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotentially+hazardous+object" class="Z3988"></span></span> </li> <li id="cite_note-SBDB-query-all-PHA-Atens-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-SBDB-query-all-PHA-Atens_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb_query.cgi?obj_group=pha;obj_kind=all;obj_numbered=all;ast_orbit_class=ATE;OBJ_field=0;ORB_field=0;table_format=HTML;max_rows=100;format_option=comp;c_fields=AcBhBgBjBiBnBsCjCpAi;.cgifields=format_option;.cgifields=obj_kind;.cgifields=obj_group;.cgifields=obj_numbered;.cgifields=ast_orbit_class;.cgifields=table_format;.cgifields=com_orbit_class&query=1&c_sort=AcA">"JPL Small-Body Database Search Engine: PHAs and orbital class (ATE)"</a>. JPL Solar System Dynamics<span class="reference-accessdate">. Retrieved <span class="nowrap">16 January</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=JPL+Small-Body+Database+Search+Engine%3A+PHAs+and+orbital+class+%28ATE%29&rft.pub=JPL+Solar+System+Dynamics&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fsbdb_query.cgi%3Fobj_group%3Dpha%3Bobj_kind%3Dall%3Bobj_numbered%3Dall%3Bast_orbit_class%3DATE%3BOBJ_field%3D0%3BORB_field%3D0%3Btable_format%3DHTML%3Bmax_rows%3D100%3Bformat_option%3Dcomp%3Bc_fields%3DAcBhBgBjBiBnBsCjCpAi%3B.cgifields%3Dformat_option%3B.cgifields%3Dobj_kind%3B.cgifields%3Dobj_group%3B.cgifields%3Dobj_numbered%3B.cgifields%3Dast_orbit_class%3B.cgifields%3Dtable_format%3B.cgifields%3Dcom_orbit_class%26query%3D1%26c_sort%3DAcA&rfr_id=info%3Asid%2Fen.wikipedia.org%3APotentially+hazardous+object" class="Z3988"></span></span> </li> <li id="cite_note-MPC-PHA-list-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-MPC-PHA-list_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-MPC-PHA-list_10-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-MPC-PHA-list_10-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-MPC-PHA-list_10-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/iau/lists/t_phas.html">"List of the Potentially Hazardous Asteroids (PHAs)"</a>. Minor Planet Center<span class="reference-accessdate">. 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External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://cneos.jpl.nasa.gov/sentry/">Sentry: Earth Impact Monitoring (current)</a> (<a href="/wiki/NASA" title="NASA">NASA</a> NEO Program)</li> <li><a rel="nofollow" class="external text" href="http://andrew-lowe.ca/ALL-PHAS.HTM#Earth">Very Close Approaches (<0.01 AU) of PHAs to Earth 1900-2200</a></li> <li><a rel="nofollow" class="external text" href="http://www.brera.mi.astro.it/sormano/teca.html">TECA Table of Asteroids Next Closest Approaches to the Earth</a>, <i><a href="/wiki/Sormano_Astronomical_Observatory" title="Sormano Astronomical Observatory">Sormano Astronomical Observatory</a></i></li> <li><a rel="nofollow" class="external text" href="http://www.brera.mi.astro.it/sormano/mbpl.html">MBPL – Minor Body Priority List (PHA Asteroids)</a>, <i>Sormano Astronomical Observatory</i></li> <li><a rel="nofollow" class="external text" href="http://swfound.org/media/16114/iac-10.e3.1b.4.pdf">Responding to the Threat of Potentially-Hazardous Near Earth Objects</a> (PDF)</li> <li><a rel="nofollow" class="external text" href="https://www.theguardian.com/science/2015/dec/23/risk-of-comet-hitting-earth-as-bad-as-asteroids-or-worse-say-researchers">Risk of comet hitting Earth is greater than previously thought, say researchers</a>, <i>The Guardian</i>, 22 December 2015</li> <li><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/iau/lists/Sizes">Conversion of Absolute Magnitude to Diameter</a>, <i>Minor Planet Center</i></li></ul> <div class="mw-heading mw-heading3"><h3 id="Minor_Planet_Center">Minor Planet Center</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Potentially_hazardous_object&action=edit&section=13" title="Edit section: Minor Planet Center"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/iau/lists/t_phas.html">List of the Potentially Hazardous Asteroids (PHAs)</a></li> <li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=Ar_h-zAccsY"><span class="plainlinks">Asteroid Hazards, Part 2: <i>The Challenge of Detection</i></span></a> on <a href="/wiki/YouTube_video_(identifier)" class="mw-redirect" title="YouTube video (identifier)">YouTube</a> <span style="font-size:85%;">(min. 7:14)</span></li> <li><a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=8M_27st1ZCI"><span class="plainlinks">Asteroid Hazards, Part 3: <i>Finding the Path</i></span></a> on <a href="/wiki/YouTube_video_(identifier)" class="mw-redirect" title="YouTube video (identifier)">YouTube</a> <span style="font-size:85%;">(min. 5:38)</span></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist 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class="navbox-group" style="width:1%"><a href="/wiki/Geological_hazard" title="Geological hazard">Geological</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Mass_wasting" title="Mass wasting">Mass wasting</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Landslide" title="Landslide">Landslide</a></li> <li><a href="/wiki/Avalanche" title="Avalanche">Avalanche</a></li> <li><a href="/wiki/Mudflow" title="Mudflow">Mudflow</a></li> <li><a href="/wiki/Debris_flow" title="Debris flow">Debris flow</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Earthquake" title="Earthquake">Earthquake</a><br />(<a 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</div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Erosion" title="Erosion">Natural erosion</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Sinkhole" title="Sinkhole">Sinkhole</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Hydrological</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Flood" title="Flood">Flood</a><br />(<a href="/wiki/List_of_floods" title="List of floods">List</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coastal_flood" class="mw-redirect" title="Coastal flood">Coastal flood</a></li> <li><a href="/wiki/Flash_flood" title="Flash flood">Flash flood</a></li> <li><a href="/wiki/Storm_surge" title="Storm surge">Storm surge</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Tsunami" title="Tsunami">Tsunami</a> <ul><li><a href="/wiki/Megatsunami" title="Megatsunami">Megatsunami</a></li></ul></li> <li><a href="/wiki/Limnic_eruption" title="Limnic eruption">Limnic eruption</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Meteorological</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Temperature</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Blizzard" title="Blizzard">Blizzard</a></li> <li><a href="/wiki/Cold_wave" title="Cold wave">Cold wave</a></li> <li><a href="/wiki/Ice_storm" title="Ice storm">Ice storm</a></li> <li><a href="/wiki/Heat_wave" title="Heat wave">Heat wave</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Drought" title="Drought">Drought</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Megadrought" title="Megadrought">Megadrought</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Cyclonic storms</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bomb_cyclone" class="mw-redirect" title="Bomb cyclone">Bomb cyclone</a></li> <li><a href="/wiki/Thunderstorm" title="Thunderstorm">Thunderstorm</a> (<a href="/wiki/Hail" title="Hail">Hail</a>)</li> <li><a href="/wiki/Tornado" title="Tornado">Tornado</a> (<a href="/wiki/Tornado_outbreak" title="Tornado outbreak">Tornado outbreak</a>)</li> <li><a href="/wiki/Tropical_cyclone" title="Tropical cyclone">Tropical cyclone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Derecho" title="Derecho">Derecho</a></li> <li><a href="/wiki/Wildfire" title="Wildfire">Wildfire</a> <ul><li><a href="/wiki/Firestorm" title="Firestorm">Firestorm</a></li></ul></li> <li><a href="/wiki/ARkStorm" title="ARkStorm">ARkStorm</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Astronomical</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a class="mw-selflink selflink">Potentially hazardous object</a></li> <li><a href="/wiki/Impact_event" title="Impact event">Impact event</a></li> <li><a href="/wiki/Meteor_shower" title="Meteor shower">Meteor shower</a></li> <li><a href="/wiki/Geomagnetic_storm" title="Geomagnetic storm">Geomagnetic storm</a></li> <li><a href="/wiki/Solar_flare" title="Solar flare">Solar flare</a></li> <li><a href="/wiki/Supernova" title="Supernova">Supernova</a></li> <li><a href="/wiki/Hypernova" title="Hypernova">Hypernova</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Small_Solar_System_bodies85" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Small_Solar_System_bodies" title="Template:Small Solar System bodies"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Small_Solar_System_bodies" title="Template talk:Small Solar System bodies"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Small_Solar_System_bodies" title="Special:EditPage/Template:Small Solar System bodies"><abbr 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title="Minor-planet moon">Moon</a></li> <li><a href="/wiki/Meanings_of_minor-planet_names" title="Meanings of minor-planet names">Meanings of names</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Asteroid" title="Asteroid">Asteroid</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Active_asteroid" title="Active asteroid">Active</a></li> <li><a href="/wiki/Aten_asteroid" title="Aten asteroid">Aten asteroid</a></li> <li><a href="/wiki/Asteroid_belt" title="Asteroid belt">Asteroid belt</a></li> <li><a href="/wiki/Asteroid_family" title="Asteroid family">Family</a></li> <li><a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter trojan</a></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth</a></li> <li><a href="/wiki/Asteroid_spectral_types" title="Asteroid spectral types">Spectral types</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Distant_minor_planet" title="Distant minor planet">Distant minor planet</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li><a href="/wiki/Centaur_(small_Solar_System_body)" title="Centaur (small Solar System body)">Centaur</a></li> <li><a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune trojan</a></li></ul></li> <li><a href="/wiki/Damocloid" title="Damocloid">Damocloid</a></li> <li><a href="/wiki/Trans-Neptunian_object" title="Trans-Neptunian object">Trans-Neptunian object</a> <ul><li><a href="/wiki/Detached_object" title="Detached object">Detached</a></li> <li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Comet" title="Comet">Comets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Extinct_comet" title="Extinct comet">Extinct</a></li> <li><a href="/wiki/Great_comet" title="Great comet">Great</a></li> <li><a href="/wiki/List_of_Halley-type_comets" title="List of Halley-type comets">Halley-type</a></li> <li><a href="/wiki/List_of_hyperbolic_comets" title="List of hyperbolic comets">Hyperbolic</a></li> <li><a href="/wiki/List_of_long-period_comets" title="List of long-period comets">Long-period</a></li> <li><a href="/wiki/Lost_comet" title="Lost comet">Lost</a></li> <li><a href="/wiki/List_of_near-parabolic_comets" title="List of near-parabolic comets">Near-parabolic</a></li> <li><a href="/wiki/List_of_periodic_comets" title="List of periodic comets">Periodic</a></li> <li><a href="/wiki/Sungrazing_comet" title="Sungrazing comet">Sungrazing</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cosmic_dust" title="Cosmic dust">Cosmic dust</a></li> <li><a href="/wiki/Meteoroid" title="Meteoroid">Meteoroids</a></li> <li><a href="/wiki/Space_debris" title="Space debris">Space debris</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1265750715">.mw-parser-output .tfd-dated{font-size:85%}.mw-parser-output .tfd-default{border-bottom:1px solid var(--border-color-base,#a2a9b1);clear:both;text-align:center}.mw-parser-output .tfd-tiny{font-weight:bold}.mw-parser-output .tfd-inline{border:1px solid var(--border-color-base,#a2a9b1)}.mw-parser-output .tfd-sidebar{border-bottom:1px solid var(--border-color-base,#a2a9b1);text-align:center;position:relative}@media(min-width:640px){.mw-parser-output .tfd-sidebar{clear:right;float:right;width:22em}}.mw-parser-output :not(.mw-parser-output):not(.documentation)>.tfd-dedup~.tfd-dedup,.mw-parser-output :not(.mw-parser-output):not(.documentation)>.tfd-dedup~* .tfd-dedup{display:none}</style></div><div role="navigation" class="navbox" aria-labelledby="Solar_System2452" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align:center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Solar_System" title="Template:Solar System"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Solar_System" title="Template talk:Solar System"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Solar_System" title="Special:EditPage/Template:Solar System"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Solar_System2452" style="font-size:114%;margin:0 4em"><a href="/wiki/Solar_System" title="Solar System">Solar System</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align:center;"><div><figure class="mw-default-size noresize" typeof="mw:File"><span><img alt="The Sun, the planets, their moons, and several trans-Neptunian objects" src="//upload.wikimedia.org/wikipedia/commons/4/43/Solar_System_Template_2.png" decoding="async" width="666" height="36" class="mw-file-element" data-file-width="666" data-file-height="36" usemap="#ImageMap_95c11910eb0c3136" /></span><map name="ImageMap_95c11910eb0c3136"><area href="/wiki/Sun" shape="rect" coords="0,0,90,35" alt="The Sun" title="The Sun" /><area href="/wiki/Mercury_(planet)" shape="circle" coords="112,18,6" alt="Mercury" title="Mercury" /><area href="/wiki/Venus" shape="circle" coords="153,18,8" alt="Venus" title="Venus" /><area href="/wiki/Moon" shape="circle" coords="204,10,4" alt="The Moon" title="The Moon" /><area href="/wiki/Earth" shape="circle" coords="195,18,8" alt="Earth" title="Earth" /><area href="/wiki/Mars" shape="circle" coords="233,18,8" alt="Mars" title="Mars" /><area href="/wiki/Moons_of_Mars" shape="circle" coords="241,13,3" alt="Phobos and Deimos" title="Phobos and Deimos" /><area href="/wiki/Ceres_(dwarf_planet)" shape="circle" coords="271,18,5" alt="Ceres" title="Ceres" /><area href="/wiki/Asteroid_belt" shape="rect" coords="256,0,288,35" alt="The main asteroid belt" title="The main asteroid belt" /><area href="/wiki/Jupiter" shape="circle" coords="316,19,15" alt="Jupiter" title="Jupiter" /><area href="/wiki/Moons_of_Jupiter" shape="circle" coords="329,6,6" alt="Moons of Jupiter" title="Moons of Jupiter" /><area href="/wiki/Rings_of_Jupiter" shape="rect" coords="298,18,335,20" alt="Rings of Jupiter" title="Rings of Jupiter" /><area href="/wiki/Saturn" shape="circle" coords="372,18,12" alt="Saturn" title="Saturn" /><area href="/wiki/Moons_of_Saturn" shape="circle" coords="381,7,6" alt="Moons of Saturn" title="Moons of Saturn" /><area href="/wiki/Rings_of_Saturn" shape="rect" coords="353,5,389,31" alt="Rings of Saturn" title="Rings of Saturn" /><area href="/wiki/Uranus" shape="circle" coords="418,18,12" alt="Uranus" title="Uranus" /><area href="/wiki/Moons_of_Uranus" shape="circle" coords="427,10,6" alt="Moons of Uranus" title="Moons of Uranus" /><area href="/wiki/Rings_of_Uranus" shape="rect" coords="408,4,429,34" alt="Rings of Uranus" title="Rings of Uranus" /><area href="/wiki/Neptune" shape="circle" coords="462,18,12" alt="Neptune" title="Neptune" /><area href="/wiki/Moons_of_Neptune" shape="circle" coords="471,10,5" alt="Moons of Neptune" title="Moons of Neptune" /><area href="/wiki/Rings_of_Neptune" shape="rect" coords="441,9,485,28" alt="Rings of Neptune" title="Rings of Neptune" /><area href="/wiki/Pluto" shape="circle" coords="504,18,12" alt="Pluto" title="Pluto" /><area href="/wiki/Moons_of_Pluto" shape="circle" coords="510,13,8" alt="Moons of Pluto" title="Moons of Pluto" /><area href="/wiki/Haumea" shape="circle" coords="534,18,12" alt="Haumea" title="Haumea" /><area href="/wiki/Moons_of_Haumea" shape="circle" coords="540,13,8" alt="Moons of Haumea" title="Moons of Haumea" /><area href="/wiki/Makemake" shape="circle" coords="567,18,12" alt="Makemake" title="Makemake" /><area href="/wiki/S/2015_(136472)_1" shape="circle" coords="571,13,8" alt="S/2015 (136472) 1" title="S/2015 (136472) 1" /><area href="/wiki/Kuiper_belt" shape="rect" coords="490,0,580,35" alt="The Kuiper Belt" title="The Kuiper Belt" /><area href="/wiki/Eris_(dwarf_planet)" shape="circle" coords="596,18,12" alt="Eris" title="Eris" /><area href="/wiki/Dysnomia_(moon)" shape="circle" coords="602,13,8" alt="Dysnomia" title="Dysnomia" /><area href="/wiki/Scattered_disc" shape="rect" coords="581,0,610,35" alt="The Scattered Disc" title="The Scattered Disc" /><area href="/wiki/Hills_cloud" shape="rect" coords="623,0,640,35" alt="The Hills Cloud" title="The Hills Cloud" /><area href="/wiki/Oort_cloud" shape="rect" coords="641,0,666,35" alt="The Oort Cloud" title="The Oort Cloud" /></map><figcaption></figcaption></figure> <ul><li><a href="/wiki/Sun" title="Sun">Sun</a></li> <li><a href="/wiki/Mercury_(planet)" title="Mercury (planet)">Mercury</a></li> <li><a href="/wiki/Venus" title="Venus">Venus</a></li> <li><a href="/wiki/Earth" title="Earth">Earth</a></li> <li><a href="/wiki/Mars" title="Mars">Mars</a></li> <li><i><a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a></i></li> <li><a href="/wiki/Jupiter" title="Jupiter">Jupiter</a></li> <li><a href="/wiki/Saturn" title="Saturn">Saturn</a></li> <li><a href="/wiki/Uranus" title="Uranus">Uranus</a></li> <li><a href="/wiki/Neptune" title="Neptune">Neptune</a></li> <li><i><a href="/wiki/Orcus_(dwarf_planet)" title="Orcus (dwarf planet)">Orcus</a></i></li> <li><i><a href="/wiki/Pluto" title="Pluto">Pluto</a></i></li> <li><i><a href="/wiki/Haumea" title="Haumea">Haumea</a></i></li> <li><i><a href="/wiki/Quaoar" title="Quaoar">Quaoar</a></i></li> <li><i><a href="/wiki/Makemake" title="Makemake">Makemake</a></i></li> <li><i><a href="/wiki/Gonggong_(dwarf_planet)" title="Gonggong (dwarf planet)">Gonggong</a></i></li> <li><i><a href="/wiki/Eris_(dwarf_planet)" title="Eris (dwarf planet)">Eris</a></i></li> <li><i><a href="/wiki/Sedna_(dwarf_planet)" title="Sedna (dwarf planet)">Sedna</a></i></li></ul></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0;background:transparent;color:inherit;"><div style="padding:0px"><table class="navbox-columns-table" style="border-spacing: 0px; text-align:left;width:100%;"><tbody><tr style="vertical-align:top"><td class="navbox-list" style="padding:0px;width:50%;"><div> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Planets,_dwarfs,_minors275" scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Planet" title="Planet">Planets</a>,<br /> <a href="/wiki/Dwarf_planet" title="Dwarf planet">dwarfs</a>, <br /> <a href="/wiki/Minor_planet" title="Minor planet">minors</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Terrestrial_planet" title="Terrestrial planet">Terrestrials</a> <ul><li><a href="/wiki/Mercury_(planet)" title="Mercury (planet)">Mercury</a></li> <li><a href="/wiki/Venus" title="Venus">Venus</a></li> <li><a href="/wiki/Earth" title="Earth">Earth</a></li> <li><a href="/wiki/Mars" title="Mars">Mars</a></li></ul></li> <li><a href="/wiki/Giant_planet" title="Giant planet">Giants</a> <ul><li><a href="/wiki/Gas_giant" title="Gas giant">Gas</a> <ul><li><a href="/wiki/Jupiter" title="Jupiter">Jupiter</a></li> <li><a href="/wiki/Saturn" title="Saturn">Saturn</a></li></ul></li> <li><a href="/wiki/Ice_giant" title="Ice giant">Ice</a> <ul><li><a href="/wiki/Uranus" title="Uranus">Uranus</a></li> <li><a href="/wiki/Neptune" title="Neptune">Neptune</a></li></ul></li></ul></li> <li><a href="/wiki/Dwarf_planet" title="Dwarf planet">Dwarfs</a> <ul><li><a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a></li> <li><a href="/wiki/Orcus_(dwarf_planet)" title="Orcus (dwarf planet)">Orcus</a></li> <li><a href="/wiki/Pluto" title="Pluto">Pluto</a></li> <li><a href="/wiki/Haumea" title="Haumea">Haumea</a></li> <li><a href="/wiki/Quaoar" title="Quaoar">Quaoar</a></li> <li><a href="/wiki/Makemake" title="Makemake">Makemake</a></li> <li><a href="/wiki/Gonggong_(dwarf_planet)" title="Gonggong (dwarf planet)">Gonggong</a></li> <li><a href="/wiki/Eris_(dwarf_planet)" title="Eris (dwarf planet)">Eris</a></li> <li><a href="/wiki/Sedna_(dwarf_planet)" title="Sedna (dwarf planet)">Sedna</a></li></ul></li> <li><a href="/wiki/Minor_planet" title="Minor planet">Large Minor Planets</a> <ul><li><a href="/wiki/120347_Salacia" title="120347 Salacia">Salacia</a></li> <li><a href="/wiki/20000_Varuna" title="20000 Varuna">Varuna</a></li> <li><a href="/wiki/28978_Ixion" title="28978 Ixion">Ixion</a></li> <li><a href="/wiki/List_of_minor_planets" title="List of minor planets">List</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Natural_satellite" title="Natural satellite">Moons</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Earth <ul><li><a href="/wiki/Moon" title="Moon">Moon</a> <ul><li><a href="/wiki/Claimed_moons_of_Earth" title="Claimed moons of Earth">Claimed</a></li></ul></li></ul></li> <li><a href="/wiki/Moons_of_Mars" title="Moons of Mars">Mars</a> <ul><li><a href="/wiki/Phobos_(moon)" title="Phobos (moon)">Phobos</a></li> <li><a href="/wiki/Deimos_(moon)" title="Deimos (moon)">Deimos</a></li></ul></li> <li><a href="/wiki/Moons_of_Jupiter" title="Moons of Jupiter">Jupiter</a> <ul><li><a href="/wiki/Ganymede_(moon)" title="Ganymede (moon)">Ganymede</a></li> <li><a href="/wiki/Callisto_(moon)" title="Callisto (moon)">Callisto</a></li> <li><a href="/wiki/Io_(moon)" title="Io (moon)">Io</a></li> <li><a href="/wiki/Europa_(moon)" title="Europa (moon)">Europa</a></li> <li><a href="/wiki/Moons_of_Jupiter#List" title="Moons of Jupiter">all 95</a></li></ul></li> <li><a href="/wiki/Moons_of_Saturn" title="Moons of Saturn">Saturn</a> <ul><li><a href="/wiki/Titan_(moon)" title="Titan (moon)">Titan</a></li> <li><a href="/wiki/Rhea_(moon)" title="Rhea (moon)">Rhea</a></li> <li><a href="/wiki/Iapetus_(moon)" title="Iapetus (moon)">Iapetus</a></li> <li><a href="/wiki/Dione_(moon)" title="Dione (moon)">Dione</a></li> <li><a href="/wiki/Tethys_(moon)" title="Tethys (moon)">Tethys</a></li> <li><a href="/wiki/Enceladus" title="Enceladus">Enceladus</a></li> <li><a href="/wiki/Mimas" title="Mimas">Mimas</a></li> <li><a href="/wiki/Hyperion_(moon)" title="Hyperion (moon)">Hyperion</a></li> <li><a href="/wiki/Phoebe_(moon)" title="Phoebe (moon)">Phoebe</a></li> <li><a href="/wiki/Moons_of_Saturn#List" title="Moons of Saturn">all 146</a></li></ul></li> <li><a href="/wiki/Moons_of_Uranus" title="Moons of Uranus">Uranus</a> <ul><li><a href="/wiki/Titania_(moon)" title="Titania (moon)">Titania</a></li> <li><a href="/wiki/Oberon_(moon)" title="Oberon (moon)">Oberon</a></li> <li><a href="/wiki/Umbriel" title="Umbriel">Umbriel</a></li> <li><a href="/wiki/Ariel_(moon)" title="Ariel (moon)">Ariel</a></li> <li><a href="/wiki/Miranda_(moon)" title="Miranda (moon)">Miranda</a></li> <li><a href="/wiki/Moons_of_Uranus#List" title="Moons of Uranus">all 28</a></li></ul></li> <li><a href="/wiki/Moons_of_Neptune" title="Moons of Neptune">Neptune</a> <ul><li><a href="/wiki/Triton_(moon)" title="Triton (moon)">Triton</a></li> <li><a href="/wiki/Proteus_(moon)" title="Proteus (moon)">Proteus</a></li> <li><a href="/wiki/Nereid_(moon)" title="Nereid (moon)">Nereid</a></li> <li><a href="/wiki/Moons_of_Neptune#List" title="Moons of Neptune">all 16</a></li></ul></li> <li><a href="/wiki/Moons_of_Pluto" title="Moons of Pluto">Pluto</a> <ul><li><a href="/wiki/Charon_(moon)" title="Charon (moon)">Charon</a></li> <li><a href="/wiki/Nix_(moon)" title="Nix (moon)">Nix</a></li> <li><a href="/wiki/Hydra_(moon)" title="Hydra (moon)">Hydra</a></li> <li><a href="/wiki/Kerberos_(moon)" title="Kerberos (moon)">Kerberos</a></li> <li><a href="/wiki/Styx_(moon)" title="Styx (moon)">Styx</a></li></ul></li> <li><a href="/wiki/Orcus_(dwarf_planet)" title="Orcus (dwarf planet)">Orcus</a> <ul><li><a href="/wiki/Vanth_(moon)" title="Vanth (moon)">Vanth</a></li></ul></li> <li><a href="/wiki/Moons_of_Haumea" title="Moons of Haumea">Haumea</a> <ul><li><a href="/wiki/Hi%CA%BBiaka_(moon)" title="Hiʻiaka (moon)">Hiʻiaka</a></li> <li><a href="/wiki/Namaka_(moon)" title="Namaka (moon)">Namaka</a></li></ul></li> <li><a href="/wiki/Quaoar" title="Quaoar">Quaoar</a> <ul><li><a href="/wiki/Weywot" title="Weywot">Weywot</a></li></ul></li> <li><a href="/wiki/Makemake" title="Makemake">Makemake</a> <ul><li><a href="/wiki/S/2015_(136472)_1" title="S/2015 (136472) 1">S/2015 (136472) 1</a></li></ul></li> <li><a href="/wiki/Gonggong_(dwarf_planet)" title="Gonggong (dwarf planet)">Gonggong</a> <ul><li><a href="/wiki/Xiangliu_(moon)" title="Xiangliu (moon)">Xiangliu</a></li></ul></li> <li><a href="/wiki/Eris_(dwarf_planet)" title="Eris (dwarf planet)">Eris</a> <ul><li><a href="/wiki/Dysnomia_(moon)" title="Dysnomia (moon)">Dysnomia</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Formation_and_evolution_of_the_Solar_System" title="Formation and evolution of the Solar System">Formation,<br />evolution</a>, <br /> contents, <br /> and <br /> <a href="/wiki/History_of_Solar_System_formation_and_evolution_hypotheses" title="History of Solar System formation and evolution hypotheses">History</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Star_formation" title="Star formation">Star formation</a></li> <li><a href="/wiki/Accretion_(astrophysics)" title="Accretion (astrophysics)">Accretion</a></li> <li><a href="/wiki/Accretion_disk" title="Accretion disk">Accretion disk</a> <ul><li><a href="/wiki/Accretion_disk#Excretion_disk" title="Accretion disk">Excretion</a></li></ul></li> <li><a href="/wiki/History_of_Solar_System_formation_and_evolution_hypotheses#Capture_hypothesis" title="History of Solar System formation and evolution hypotheses">Capture theory</a> <ul><li><a href="/wiki/Capture_of_Triton" title="Capture of Triton">Capture of Triton</a></li></ul></li> <li><a href="/wiki/Circumplanetary_disk" title="Circumplanetary disk">Circumplanetary disk</a></li> <li><a href="/wiki/Circumstellar_disc" title="Circumstellar disc">Circumstellar disc</a></li> <li><a href="/wiki/Circumstellar_envelope" title="Circumstellar envelope">Circumstellar envelope</a></li> <li><a href="/wiki/Coatlicue_(star)" title="Coatlicue (star)">Coatlicue</a></li> <li><a href="/wiki/Cosmic_dust" title="Cosmic dust">Cosmic dust</a></li> <li><a href="/wiki/Debris_disk" title="Debris disk">Debris disk</a></li> <li><a href="/wiki/Detached_object" title="Detached object">Detached object</a></li> <li><a href="/wiki/Ice_giant#Disk_instability" title="Ice giant">Disk instability</a></li> <li><a href="/wiki/Exoplanetary_Circumstellar_Environments_and_Disk_Explorer" title="Exoplanetary Circumstellar Environments and Disk Explorer">EXCEDE</a></li> <li><a href="/wiki/Exozodiacal_dust" title="Exozodiacal dust">Exozodiacal dust</a></li> <li><a href="/wiki/Extraterrestrial_materials" title="Extraterrestrial materials">Extraterrestrial materials</a> <ul><li><a href="/wiki/Extraterrestrial_sample_curation" title="Extraterrestrial sample curation">Curation</a></li> <li><a href="/wiki/Sample-return_mission" title="Sample-return mission">Sample-return mission</a></li></ul></li> <li><a href="/wiki/Frost_line_(astrophysics)" title="Frost line (astrophysics)">Frost/Ice/Snow line</a></li> <li><a href="/wiki/Giant-impact_hypothesis" title="Giant-impact hypothesis">Giant-impact hypothesis</a></li> <li><a href="/wiki/Grand_tack_hypothesis" title="Grand tack hypothesis">Grand tack hypothesis</a></li> <li><a href="/wiki/Gravitational_collapse" title="Gravitational collapse">Gravitational collapse</a></li> <li><a href="/wiki/Hills_cloud" title="Hills cloud">Hills cloud</a></li> <li><a href="/wiki/Hill_sphere" title="Hill sphere">Hill sphere</a></li> <li><a href="/wiki/Interplanetary_dust_cloud" title="Interplanetary dust cloud">Interplanetary dust cloud</a></li> <li><a href="/wiki/Interplanetary_medium" title="Interplanetary medium">Interplanetary medium/space</a></li> <li><a href="/wiki/Interstellar_cloud" title="Interstellar cloud">Interstellar cloud</a></li> <li><a href="/wiki/Interstellar_medium" title="Interstellar medium">Interstellar medium</a></li> <li><a href="/wiki/Outer_space#Interstellar_space" title="Outer space">Interstellar space</a></li> <li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a></li> <li><a href="/wiki/Kuiper_cliff" class="mw-redirect" title="Kuiper cliff">Kuiper cliff</a></li> <li><a href="/wiki/Late_Heavy_Bombardment" title="Late Heavy Bombardment">Late Heavy Bombardment</a></li> <li><a href="/wiki/Molecular_cloud" title="Molecular cloud">Molecular cloud</a></li> <li><a href="/wiki/Nebular_hypothesis" title="Nebular hypothesis">Nebular hypothesis</a></li> <li><a href="/wiki/Nice_model" title="Nice model">Nice model</a> <ul><li><a href="/wiki/Nice_2_model" title="Nice 2 model">Nice 2 model</a></li> <li><a href="/wiki/Five-planet_Nice_model" title="Five-planet Nice model">Five-planet Nice model</a></li></ul></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li> <li><a href="/wiki/Outer_space" title="Outer space">Outer space</a></li> <li><a href="/wiki/Planet" title="Planet">Planet</a> <ul><li><a href="/wiki/Disrupted_planet" title="Disrupted planet">Disrupted</a></li> <li><a href="/wiki/Planetary_migration" title="Planetary migration">Migration</a></li> <li><a href="/wiki/Planetary_system" title="Planetary system">System</a></li> <li><a href="/wiki/Planetesimal" title="Planetesimal">Planetesimal</a></li> <li><a href="/wiki/Nebular_hypothesis#Formation_of_planets" title="Nebular hypothesis">Formation</a> <ul><li><a href="/wiki/Stellar_collision#Formation_of_planets" title="Stellar collision">Merging stars</a></li></ul></li> <li><a href="/wiki/Protoplanetary_disk" title="Protoplanetary disk">Protoplanetary disk</a></li></ul></li> <li><a href="/wiki/Ring_system" title="Ring system">Ring system</a></li> <li><a href="/wiki/Roche_limit" title="Roche limit">Roche limit</a> <ul><li><a href="/wiki/Roche_limit#Roche_limit,_Hill_sphere_and_radius_of_the_planet" title="Roche limit">vs. Hill sphere</a></li></ul></li> <li><a href="/wiki/Rubble_pile" title="Rubble pile">Rubble pile</a></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a></li> <li><a href="/wiki/Co-orbital_configuration" title="Co-orbital configuration">Co-orbital configuration</a> <ul><li><a href="/wiki/Co-orbital_configuration#Trojan_moons" title="Co-orbital configuration">Saturn Moons</a></li></ul></li> <li><a href="/wiki/Kordylewski_cloud" title="Kordylewski cloud">Kordylewski cloud</a></li></ul> </div></td></tr></tbody></table><div> </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;width:50%;"><div> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Ring_system" title="Ring system">Rings</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Rings_of_Earth" title="Rings of Earth">Earth</a>?</li> <li><a href="/wiki/Rings_of_Jupiter" title="Rings of Jupiter">Jovian</a></li> <li><a href="/wiki/Rings_of_Saturn" title="Rings of Saturn">Saturnian</a> (<a href="/wiki/Rings_of_Rhea" title="Rings of Rhea">Rhean</a>?)</li> <li><a href="/wiki/Rings_of_Chariklo" title="Rings of Chariklo">Charikloan</a></li> <li><a href="/wiki/2060_Chiron#Rings" title="2060 Chiron">Chironean</a></li> <li><a href="/wiki/Rings_of_Uranus" title="Rings of Uranus">Uranian</a></li> <li><a href="/wiki/Rings_of_Neptune" title="Rings of Neptune">Neptunian</a></li> <li><a href="/wiki/Haumea#Ring" title="Haumea">Haumean</a></li> <li><a href="/wiki/Quaoar#Rings" title="Quaoar">Quaoarian</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/List_of_hypothetical_Solar_System_objects" title="List of hypothetical Solar System objects">Hypothetical <br />objects</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Claimed_moons_of_Earth#Other_claims" title="Claimed moons of Earth">Bagby's moon</a></li> <li><a href="/wiki/Chiron_(hypothetical_moon)" title="Chiron (hypothetical moon)">Chiron</a></li> <li><a href="/wiki/Coatlicue_(star)" title="Coatlicue (star)">Coatlicue</a></li> <li><a href="/wiki/Counter-Earth" title="Counter-Earth">Counter-Earth</a></li> <li><a href="/wiki/Chrysalis_(hypothetical_moon)" title="Chrysalis (hypothetical moon)">Chrysalis</a></li> <li><a href="/wiki/Fifth_Giant" title="Fifth Giant">Fifth Giant</a></li> <li><a href="/wiki/Hyperion_(hypothetical_planet)" title="Hyperion (hypothetical planet)">Hyperion</a></li> <li><a href="/wiki/Planetary_objects_proposed_in_religion,_astrology,_ufology_and_pseudoscience#Lilith" title="Planetary objects proposed in religion, astrology, ufology and pseudoscience">Lilith</a></li> <li><a href="/wiki/Hypothetical_moon_of_Mercury" title="Hypothetical moon of Mercury">Mercury's moon</a></li> <li><a href="/wiki/Neith_(hypothetical_moon)" title="Neith (hypothetical moon)">Neith</a></li> <li><a href="/wiki/Nemesis_(hypothetical_star)" title="Nemesis (hypothetical star)">Nemesis</a></li> <li><a href="/wiki/Nibiru_cataclysm" title="Nibiru cataclysm">Nibiru</a></li> <li><a href="/wiki/Claimed_moons_of_Earth#Petit's_moon" title="Claimed moons of Earth">Petit's moon</a></li> <li><a href="/wiki/Phaeton_(hypothetical_planet)" title="Phaeton (hypothetical planet)">Phaeton</a></li> <li><a href="/wiki/Planet_Nine" title="Planet Nine">Planet Nine</a></li> <li><a href="/wiki/Planets_beyond_Neptune#Kuiper_cliff_and_"Planet_Ten"" title="Planets beyond Neptune">Planet Ten</a></li> <li><a href="/wiki/Planet_V" title="Planet V">Planet V</a></li> <li><a href="/wiki/Planets_beyond_Neptune#Planet_X" title="Planets beyond Neptune">Planet X</a></li> <li><a href="/wiki/Subsatellite" title="Subsatellite">Subsatellites</a></li> <li><a href="/wiki/Synestia#Giant-impact_hypothesis" title="Synestia">Synestia</a></li> <li><a href="/wiki/Theia_(planet)" title="Theia (planet)">Theia</a></li> <li><a href="/wiki/Themis_(hypothetical_moon)" title="Themis (hypothetical moon)">Themis</a></li> <li><a href="/wiki/Tyche_(hypothetical_planet)" title="Tyche (hypothetical planet)">Tyche</a></li> <li><a href="/wiki/Vulcan_(hypothetical_planet)" title="Vulcan (hypothetical planet)">Vulcan</a> <ul><li><a href="/wiki/Vulcanoid" title="Vulcanoid">Vulcanoids</a></li></ul></li> <li><a href="/wiki/Claimed_moons_of_Earth#Waltemath's_moons" title="Claimed moons of Earth">Waltemath's moons</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Space_exploration" title="Space exploration">Exploration</a><br />(<a href="/wiki/Outline_of_space_exploration" title="Outline of space exploration">outline</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Space_colonization" title="Space colonization">Colonization</a></li> <li><a href="/wiki/Discovery_and_exploration_of_the_Solar_System" title="Discovery and exploration of the Solar System">Discovery</a> <ul><li><a href="/wiki/Astronomy" title="Astronomy">astronomy</a></li> <li><a href="/wiki/Historical_models_of_the_Solar_System" title="Historical models of the Solar System">historical models</a></li> <li><a href="/wiki/Timeline_of_discovery_of_Solar_System_planets_and_their_moons" title="Timeline of discovery of Solar System planets and their moons">timeline</a></li></ul></li> <li><a href="/wiki/Space_probe" class="mw-redirect" title="Space probe">Space probes</a> <ul><li><a href="/wiki/Timeline_of_Solar_System_exploration" title="Timeline of Solar System exploration">timeline</a></li> <li><a href="/wiki/List_of_Solar_System_probes" title="List of Solar System probes">list</a></li></ul></li> <li><a href="/wiki/Human_spaceflight" title="Human spaceflight">Human spaceflight</a> <ul><li><a href="/wiki/Space_station" title="Space station">space stations</a></li> <li><a href="/wiki/List_of_crewed_spacecraft" title="List of crewed spacecraft">list</a></li> <li><a href="/wiki/Human_spaceflight_programs" title="Human spaceflight programs">programs</a></li></ul></li> <li><a href="/wiki/Exploration_of_Mercury" title="Exploration of Mercury">Mercury</a></li> <li><a href="/wiki/Observations_and_explorations_of_Venus" title="Observations and explorations of Venus">Venus</a></li> <li><a href="/wiki/Exploration_of_the_Moon" title="Exploration of the Moon">Moon</a> <ul><li><a href="/wiki/Lunar_resources" title="Lunar resources">mining</a></li></ul></li> <li><a href="/wiki/Exploration_of_Mars" title="Exploration of Mars">Mars</a></li> <li><a href="/wiki/Ceres_(dwarf_planet)#Exploration" title="Ceres (dwarf planet)">Ceres</a></li> <li><a href="/wiki/Asteroid#Exploration" title="Asteroid">Asteroids</a> <ul><li><a href="/wiki/Asteroid_mining" title="Asteroid mining">mining</a></li></ul></li> <li><a href="/wiki/List_of_missions_to_comets" title="List of missions to comets">Comets</a></li> <li><a href="/wiki/Exploration_of_Jupiter" title="Exploration of Jupiter">Jupiter</a></li> <li><a href="/wiki/Exploration_of_Saturn" title="Exploration of Saturn">Saturn</a></li> <li><a href="/wiki/Exploration_of_Uranus" title="Exploration of Uranus">Uranus</a></li> <li><a href="/wiki/Exploration_of_Neptune" title="Exploration of Neptune">Neptune</a></li> <li><a href="/wiki/Exploration_of_Pluto" title="Exploration of Pluto">Pluto</a></li> <li><a href="/wiki/Deep_space_exploration" title="Deep space exploration">Deep space</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Small_Solar_System_body" title="Small Solar System body">Small<br />Solar<br />System<br />bodies</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Comet" title="Comet">Comets</a></li> <li><a href="/wiki/Damocloid" title="Damocloid">Damocloids</a></li> <li><a href="/wiki/Meteoroid" title="Meteoroid">Meteoroids</a></li> <li><a href="/wiki/Minor_planet" title="Minor planet">Minor planets</a> <ul><li><a href="/wiki/Meanings_of_minor-planet_names" title="Meanings of minor-planet names">names and meanings</a></li> <li><a href="/wiki/Minor-planet_moon" title="Minor-planet moon">moons</a></li></ul></li> <li><a href="/wiki/Planetesimal" title="Planetesimal">Planetesimal</a></li> <li>Planetary orbit-crossers <ul><li><a href="/wiki/List_of_Mercury-crossing_minor_planets" title="List of Mercury-crossing minor planets">Mercury</a></li> <li><a href="/wiki/List_of_Venus-crossing_minor_planets" title="List of Venus-crossing minor planets">Venus</a></li> <li><a href="/wiki/List_of_Earth-crossing_asteroids" title="List of Earth-crossing asteroids">Earth</a></li> <li><a href="/wiki/List_of_Mars-crossing_minor_planets" title="List of Mars-crossing minor planets">Mars</a></li> <li><a href="/wiki/List_of_Jupiter-crossing_minor_planets" title="List of Jupiter-crossing minor planets">Jupiter</a></li> <li><a href="/wiki/List_of_Saturn-crossing_minor_planets" title="List of Saturn-crossing minor planets">Saturn</a></li> <li><a href="/wiki/List_of_Uranus-crossing_minor_planets" title="List of Uranus-crossing minor planets">Uranus</a></li> <li><a href="/wiki/List_of_Neptune-crossing_minor_planets" title="List of Neptune-crossing minor planets">Neptune</a></li></ul></li> <li><a href="/wiki/Trojan_(celestial_body)" title="Trojan (celestial body)">Trojans</a> <ul><li><a href="/wiki/2013_ND15" title="2013 ND15">Venus</a></li> <li><a href="/wiki/Earth_trojan" title="Earth trojan">Earth</a></li> <li><a href="/wiki/Mars_trojan" title="Mars trojan">Mars</a></li> <li><a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter</a> <ul><li><a href="/wiki/List_of_Jupiter_trojans_(Trojan_camp)" title="List of Jupiter trojans (Trojan camp)">Trojan camp</a></li> <li><a href="/wiki/List_of_Jupiter_trojans_(Greek_camp)" title="List of Jupiter trojans (Greek camp)">Greek camp</a></li></ul></li> <li><a href="/wiki/2019_UO14" title="2019 UO14">Saturn</a></li> <li><a href="/wiki/Uranus_trojans" title="Uranus trojans">Uranus</a></li> <li><a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune</a></li></ul></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth objects</a> <ul><li><a href="/wiki/Near-Earth_object#Near-Earth_asteroids" title="Near-Earth object">NEAs</a></li></ul></li> <li><a href="/wiki/Asteroid_belt" title="Asteroid belt">Asteroid belt</a></li> <li><a href="/wiki/Asteroid" title="Asteroid">Asteroids</a> <ul><li><a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a></li> <li><a href="/wiki/4_Vesta" title="4 Vesta">Vesta</a></li> <li><a href="/wiki/2_Pallas" title="2 Pallas">Pallas</a></li> <li><a href="/wiki/10_Hygiea" title="10 Hygiea">Hygiea</a></li> <li><a href="/wiki/Active_asteroid" title="Active asteroid">active</a></li> <li><a href="/wiki/List_of_minor_planets" title="List of minor planets">List</a></li> <li><a href="/wiki/Asteroid_family" title="Asteroid family">families</a></li> <li><a class="mw-selflink selflink">PHA</a></li> <li><a href="/wiki/List_of_exceptional_asteroids" title="List of exceptional asteroids">exceptional</a></li> <li><a href="/wiki/Kirkwood_gap" title="Kirkwood gap">Kirkwood gap</a></li></ul></li> <li><a href="/wiki/Centaur_(small_Solar_System_body)" title="Centaur (small Solar System body)">Centaurs</a></li> <li><a href="/wiki/Trans-Neptunian_object" title="Trans-Neptunian object">Trans-Neptunian objects</a> <ul><li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a> <ul><li><a href="/wiki/Classical_Kuiper_belt_object" title="Classical Kuiper belt object">Cubewanos</a></li> <li><a href="/wiki/Plutino" title="Plutino">Plutinos</a></li></ul></li> <li><a href="/wiki/Detached_object" title="Detached object">Detached objects</a></li> <li><a href="/wiki/Sednoid" title="Sednoid">Sednoids</a></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a></li> <li><a href="/wiki/Hills_cloud" title="Hills cloud">Hills cloud</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Lists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lists_of_comets" title="Lists of comets">Comets</a></li> <li><a href="/wiki/List_of_possible_dwarf_planets" title="List of possible dwarf planets">Possible dwarf planets</a></li> <li><a href="/wiki/List_of_gravitationally_rounded_objects_of_the_Solar_System" title="List of gravitationally rounded objects of the Solar System">Gravitationally rounded objects</a></li> <li><a href="/wiki/List_of_minor_planets" title="List of minor planets">Minor planets</a></li> <li><a href="/wiki/List_of_natural_satellites" title="List of natural satellites">Natural satellites</a></li> <li><a href="/wiki/Solar_System_model" title="Solar System model">Solar System models</a></li> <li><a href="/wiki/List_of_Solar_System_objects" title="List of Solar System objects">Solar System objects</a> <ul><li><a href="/wiki/List_of_Solar_System_objects_by_size" title="List of Solar System objects by size">by size</a></li> <li><a href="/wiki/Timeline_of_discovery_of_Solar_System_planets_and_their_moons" title="Timeline of discovery of Solar System planets and their moons">by discovery date</a></li></ul></li> <li><a href="/wiki/List_of_interstellar_and_circumstellar_molecules" title="List of interstellar and circumstellar molecules">Interstellar and circumstellar molecules</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Related</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Double_planet" title="Double planet">Double planet</a></li> <li><a href="/wiki/Lagrange_point" title="Lagrange point">Lagrange point</a></li> <li><a href="/wiki/Moonlet" title="Moonlet">Moonlet</a></li> <li><a href="/wiki/Syzygy_(astronomy)" title="Syzygy (astronomy)">Syzygy</a></li> <li><a href="/wiki/Tidal_locking" title="Tidal locking">Tidal locking</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align:center;;padding:0.4em;line-height:1.25em;"><div> <ul><li><a href="/wiki/Outline_of_the_Solar_System" title="Outline of the Solar System">Outline of the Solar System</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/22px-Solar_system.jpg" decoding="async" width="22" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/34px-Solar_system.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/45px-Solar_system.jpg 2x" data-file-width="4500" data-file-height="5600" /></span></span> </span><a href="/wiki/Portal:Solar_System" title="Portal:Solar System">Solar System portal</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/28px-Crab_Nebula.jpg" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/42px-Crab_Nebula.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/56px-Crab_Nebula.jpg 2x" data-file-width="3864" data-file-height="3864" /></span></span> </span><a href="/wiki/Portal:Astronomy" title="Portal:Astronomy">Astronomy portal</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/The_Earth_seen_from_Apollo_17_with_transparent_background.png/28px-The_Earth_seen_from_Apollo_17_with_transparent_background.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/The_Earth_seen_from_Apollo_17_with_transparent_background.png/42px-The_Earth_seen_from_Apollo_17_with_transparent_background.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/43/The_Earth_seen_from_Apollo_17_with_transparent_background.png/56px-The_Earth_seen_from_Apollo_17_with_transparent_background.png 2x" data-file-width="2790" data-file-height="2776" /></span></span> </span><a href="/wiki/Portal:Earth_sciences" title="Portal:Earth sciences">Earth sciences portal</a></li></ul> <div class="boilerplate metadata plainlinks tfd tfd-dated tfd-default tfd-dedup">‹ The <a href="/wiki/Help:Template" title="Help:Template">template</a> below (<i><a href="/wiki/Template:Earth%27s_location_in_the_Universe" title="Template:Earth's location in the Universe">Earth's location in the Universe</a></i>) is being considered for merging with LocationOfEarth-ImageMap. See <a href="/wiki/Wikipedia:Templates_for_discussion/Log/2025_February_12#Template:Earth's_location_in_the_Universe" title="Wikipedia:Templates for discussion/Log/2025 February 12">templates for discussion</a> to help reach a consensus. ›</div> <p><a href="/wiki/Solar_System" title="Solar System">Solar System</a> <span style="font-size:120%">→</span> <a href="/wiki/Local_Interstellar_Cloud" title="Local Interstellar Cloud">Local Interstellar Cloud</a> <span style="font-size:120%">→</span> <a href="/wiki/Local_Bubble" title="Local Bubble">Local Bubble</a> <span style="font-size:120%">→</span> <a href="/wiki/Gould_Belt" title="Gould Belt">Gould Belt</a> <span style="font-size:120%">→</span> <a href="/wiki/Orion_Arm" title="Orion Arm">Orion Arm</a> <span style="font-size:120%">→</span> <a href="/wiki/Milky_Way" title="Milky Way">Milky Way</a> <span style="font-size:120%">→</span> <a href="/wiki/Satellite_galaxies_of_the_Milky_Way" title="Satellite galaxies of the Milky Way">Milky Way subgroup</a> <span style="font-size:120%">→</span> <a href="/wiki/Local_Group" title="Local Group">Local Group</a> <span style="font-size:120%">→</span> <a href="/wiki/Local_Sheet" title="Local Sheet">Local Sheet</a> <span style="font-size:120%">→</span> <a href="/wiki/Virgo_Supercluster" title="Virgo Supercluster">Virgo Supercluster</a> <span style="font-size:120%">→</span> <a href="/wiki/Laniakea_Supercluster" title="Laniakea Supercluster">Laniakea Supercluster</a> <span style="font-size:120%">→</span> <a href="/wiki/Local_Hole" title="Local Hole">Local Hole</a> <span style="font-size:120%">→</span> <a href="/wiki/Observable_universe" title="Observable universe">Observable universe</a> <span style="font-size:120%">→</span> <a href="/wiki/Universe" title="Universe">Universe</a><br /><span style="font-size:85%;">Each arrow (<span style="font-size:120%">→</span>) may be read as "within" or "part of".</span> </p> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Modern_impact_events83" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align:center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Modern_impact_events" title="Template:Modern impact events"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Modern_impact_events" title="Template talk:Modern impact events"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Modern_impact_events" title="Special:EditPage/Template:Modern impact events"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Modern_impact_events83" style="font-size:114%;margin:0 4em"><a href="/wiki/Impact_event" title="Impact event">Modern impact events</a></div></th></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">On Earth</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal;text-align:center;">Pre-2000</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>1490 <a href="/wiki/Qingyang_event" title="Qingyang event">Qingyang</a></li> <li>1783 <a href="/wiki/1783_Great_Meteor" title="1783 Great Meteor">Great Meteor</a></li> <li>1860 <a href="/wiki/1860_Great_Meteor" title="1860 Great Meteor">Great Meteor</a></li> <li>1908 <a href="/wiki/Tunguska_event" title="Tunguska event">Tunguska</a></li> <li>1913 <a href="/wiki/1913_Great_Meteor_Procession" title="1913 Great Meteor Procession">Great Meteor Procession</a></li> <li>1930 <a href="/wiki/1930_Curu%C3%A7%C3%A1_River_event" title="1930 Curuçá River event">Curuçá River</a></li> <li>1938 <a href="/wiki/Chicora_meteor" class="mw-redirect" title="Chicora meteor">Chicora meteor</a></li> <li>1947 <a href="/wiki/Sikhote-Alin_meteorite" title="Sikhote-Alin meteorite">Sikhote-Alin meteor</a></li> <li>1969 <a href="/wiki/Murchison_meteorite" title="Murchison meteorite">Murchison meteor</a></li> <li>1972 <a href="/wiki/1972_Great_Daylight_Fireball" title="1972 Great Daylight Fireball">Great Daylight Fireball</a></li> <li>1990 <a href="/wiki/Earth-grazing_meteoroid_of_13_October_1990" title="Earth-grazing meteoroid of 13 October 1990">Earth-grazing meteoroid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;font-weight:normal;text-align:center;">Post-2000</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2002_Eastern_Mediterranean_event" title="2002 Eastern Mediterranean event">2002 Eastern Mediterranean event</a></li> <li><a href="/wiki/2007_Carancas_impact_event" title="2007 Carancas impact event">2007 Carancas impact event</a></li> <li><a href="/wiki/2008_TC3" title="2008 TC3"><span class="nowrap">2008 TC<sub>3</sub></span> impact</a></li> <li>2008 <a href="/wiki/Buzzard_Coulee_meteorite" title="Buzzard Coulee meteorite">Buzzard Coulee meteor</a></li> <li><a href="/wiki/2009_Sulawesi_superbolide" title="2009 Sulawesi superbolide">2009 Sulawesi superbolide</a></li> <li>2012 <a href="/wiki/Sutter%27s_Mill_meteorite" title="Sutter's Mill meteorite">Sutter's Mill meteor</a></li> <li><a href="/wiki/2012_United_Kingdom_meteoroid" title="2012 United Kingdom meteoroid">2012 United Kingdom meteoroid</a></li> <li>2012 <a href="/wiki/Novato_meteorite" title="Novato meteorite">Novato meteor</a></li> <li>2013 <a href="/wiki/Chelyabinsk_meteor" title="Chelyabinsk meteor">Chelyabinsk meteor</a> <ul><li><a href="/wiki/Chelyabinsk_meteorite" title="Chelyabinsk meteorite">Chelyabinsk meteorite</a></li></ul></li> <li>2013 <a href="/wiki/Braunschweig_meteorite" title="Braunschweig meteorite">Braunschweig meteor</a></li> <li><a href="/wiki/2014_AA" title="2014 AA">2014 AA impact</a></li> <li><a href="/wiki/2014_Ontario_fireball" title="2014 Ontario fireball">2014 Ontario fireball</a></li> <li><a href="/wiki/2015_Kerala_meteoroid" title="2015 Kerala meteoroid">2015 Kerala meteoroid</a></li> <li><a href="/wiki/2015_Thailand_bolide" title="2015 Thailand bolide">2015 Thailand bolide</a></li> <li><a href="/wiki/WT1190F" title="WT1190F">WT1190F impact</a></li> <li><a href="/wiki/2017_China_bolide" title="2017 China bolide">2017 China bolide</a></li> <li><a href="/wiki/2018_LA" title="2018 LA">2018 LA impact</a></li> <li>2018 <a href="/wiki/Kamchatka_meteor" title="Kamchatka meteor">Kamchatka meteor</a></li> <li><a href="/wiki/2019_MO" title="2019 MO">2019 MO impact</a></li> <li><a href="/wiki/2020_China_bolide" title="2020 China bolide">2020 China bolide</a></li> <li>2021 <a href="/wiki/Winchcombe_meteorite" title="Winchcombe meteorite">Winchcombe meteor</a></li> <li><a href="/wiki/2022_EB5" title="2022 EB5"><span class="nowrap">2022 EB<sub>5</sub></span> impact</a></li> <li><a href="/wiki/2022_WJ1" title="2022 WJ1"><span class="nowrap">2022 WJ<sub>1</sub></span> impact</a></li> <li><a href="/wiki/2023_CX1" title="2023 CX1"><span class="nowrap">2023 CX<sub>1</sub></span> impact</a></li> <li><a href="/wiki/2024_BX1" title="2024 BX1"><span class="nowrap">2024 BX<sub>1</sub></span> impact</a></li> <li><a href="/wiki/2024_RW1" title="2024 RW1"><span class="nowrap">2024 RW<sub>1</sub></span> impact</a></li> <li><a href="/wiki/2024_UQ" title="2024 UQ">2024 UQ impact</a></li> <li><a href="/wiki/2024_XA1" title="2024 XA1"><span class="nowrap">2024 XA<sub>1</sub></span> impact</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">On <a href="/wiki/Mars" title="Mars">Mars</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"><a href="/wiki/Impact_events_on_Mars" title="Impact events on Mars">Impact events on Mars</a></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">On <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Impact_events_on_Jupiter" title="Impact events on Jupiter">Impact events on Jupiter</a></li> <li>1994 <a href="/wiki/Comet_Shoemaker%E2%80%93Levy_9" title="Comet Shoemaker–Levy 9">Comet Shoemaker–Levy 9</a></li> <li>2009 <a href="/wiki/2009_Jupiter_impact_event" title="2009 Jupiter impact event">Jupiter impact</a></li> <li>2010 <a href="/wiki/2010_Jupiter_impact_event" title="2010 Jupiter impact event">Jupiter impact</a></li> <li>2016 <a href="/wiki/2016_Jupiter_impact_event" title="2016 Jupiter impact event">Jupiter impact</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">Lists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_predicted_asteroid_impacts_on_Earth" title="List of predicted asteroid impacts on Earth">Predicted asteroid impacts on Earth</a></li> <li><a href="/wiki/List_of_asteroid_close_approaches_to_Earth" title="List of asteroid close approaches to Earth">Asteroid close approaches to Earth</a></li> <li><a href="/wiki/Lists_of_comets" title="Lists of comets">Comets</a></li> <li><a href="/wiki/List_of_bolides" title="List of bolides">Bolides</a> <ul><li><a href="/wiki/Meteor_air_burst" title="Meteor air burst">Meteor air bursts</a></li> <li><a href="/wiki/List_of_meteorite_falls" class="mw-redirect" title="List of meteorite falls">Meteorite falls</a></li></ul></li> <li><a href="/wiki/List_of_minor_planets" title="List of minor planets">Minor planets</a></li> <li><a href="/wiki/List_of_Earth-crossing_asteroids" title="List of Earth-crossing asteroids">Asteroids crossing Earth's orbit</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">See also</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Asteroid_impact_prediction" title="Asteroid impact prediction">Asteroid impact prediction</a></li> <li><a href="/wiki/Asteroid_impact_avoidance" title="Asteroid impact avoidance">Asteroid impact avoidance</a></li> <li><a href="/wiki/Bolide" title="Bolide">Bolide</a></li> <li><a href="/wiki/Earth-grazing_fireball" title="Earth-grazing fireball">Earth-grazing fireball</a></li> <li><a href="/wiki/Meteor_procession" title="Meteor procession">Meteor procession</a></li> <li><a href="/wiki/Meteor_shower" title="Meteor shower">Meteor shower</a></li> <li><a href="/wiki/Meteorite" title="Meteorite">Meteorite</a></li> <li><a href="/wiki/Meteoroid" title="Meteoroid">Meteoroid</a></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth object</a></li> <li><a class="mw-selflink selflink">Potentially hazardous object</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Impact_cratering_on_Earth185" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3" style="background-color:#c8b890;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Impact_cratering_on_Earth" title="Template:Impact cratering on Earth"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Impact_cratering_on_Earth" title="Template talk:Impact cratering on Earth"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Impact_cratering_on_Earth" title="Special:EditPage/Template:Impact cratering on Earth"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Impact_cratering_on_Earth185" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_impact_structures_on_Earth" title="List of impact structures on Earth">Impact cratering on Earth</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="3" style="background-color:#c8b890;"><div> <ul><li><a href="/wiki/Impact_crater" title="Impact crater">Impact crater</a></li> <li><a href="/wiki/Impact_event" title="Impact event">Impact event</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#c8b890;;width:1%">Lists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_impact_structures_on_Earth" title="List of impact structures on Earth">Worldwide</a></li> <li><a href="/wiki/List_of_impact_structures_in_Africa" title="List of impact structures in Africa">Africa</a></li> <li><a href="/wiki/List_of_impact_structures_in_Antarctica" title="List of impact structures in Antarctica">Antarctica</a></li> <li><a href="/wiki/List_of_impact_structures_in_Asia_and_Russia" title="List of impact structures in Asia and Russia">Asia and Russia</a></li> <li><a href="/wiki/List_of_impact_structures_in_Australia" title="List of impact structures in Australia">Australia</a></li> <li><a href="/wiki/List_of_impact_structures_in_Europe" title="List of impact structures in Europe">Europe</a></li> <li><a href="/wiki/List_of_impact_structures_in_North_America" title="List of impact structures in North America">North America</a></li> <li><a href="/wiki/List_of_impact_structures_in_South_America" title="List of impact structures in South America">South America</a></li> <li><a href="/wiki/Category:Impact_craters_by_country" title="Category:Impact craters by country">By country</a></li> <li><a href="/wiki/List_of_possible_impact_structures_on_Earth" title="List of possible impact structures on Earth">Possible</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="4" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Pingualuit_aerial_2007.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Pingualuit_aerial_2007.jpg/120px-Pingualuit_aerial_2007.jpg" decoding="async" width="120" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Pingualuit_aerial_2007.jpg/180px-Pingualuit_aerial_2007.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Pingualuit_aerial_2007.jpg/240px-Pingualuit_aerial_2007.jpg 2x" data-file-width="6000" data-file-height="4000" /></a></span><br /><span typeof="mw:File"><a href="/wiki/File:Craterstructure.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Craterstructure.gif/120px-Craterstructure.gif" decoding="async" width="120" height="109" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Craterstructure.gif/180px-Craterstructure.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/47/Craterstructure.gif/240px-Craterstructure.gif 2x" data-file-width="789" data-file-height="715" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#c8b890;;width:1%">Confirmed<div style="clear:both;" class=""></div>≥20 km diameter</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acraman_impact_structure" title="Acraman impact structure">Acraman</a></li> <li><a href="/wiki/Amelia_Creek_crater" title="Amelia Creek crater">Amelia Creek</a></li> <li><a href="/wiki/Araguainha_crater" title="Araguainha crater">Araguainha</a></li> <li><a href="/wiki/Beaverhead_impact_structure" title="Beaverhead impact structure">Beaverhead</a></li> <li><a href="/wiki/Boltysh_crater" title="Boltysh crater">Boltysh</a></li> <li><a href="/wiki/Carswell_impact_structure" title="Carswell impact structure">Carswell</a></li> <li><a href="/wiki/Charlevoix_impact_structure" title="Charlevoix impact structure">Charlevoix</a></li> <li><a href="/wiki/Chesapeake_Bay_impact_crater" title="Chesapeake Bay impact crater">Chesapeake Bay</a></li> <li><a href="/wiki/Chicxulub_crater" title="Chicxulub crater">Chicxulub</a></li> <li><a href="/wiki/Clearwater_Lakes" title="Clearwater Lakes">Clearwater East and West</a></li> <li><a href="/wiki/Gosses_Bluff_impact_structure" title="Gosses Bluff impact structure">Gosses Bluff</a></li> <li><a href="/wiki/Haughton_impact_crater" title="Haughton impact crater">Haughton</a></li> <li><a href="/wiki/Kamensk_crater" title="Kamensk crater">Kamensk</a></li> <li><a href="/wiki/Kara_crater" title="Kara crater">Kara</a></li> <li><a href="/wiki/Karakul_(Tajikistan)" title="Karakul (Tajikistan)">Karakul</a></li> <li><a href="/wiki/Keurusselk%C3%A4" title="Keurusselkä">Keurusselkä</a></li> <li><a href="/wiki/Lake_Lappaj%C3%A4rvi" title="Lake Lappajärvi">Lappajärvi</a></li> <li><a href="/wiki/Logancha_crater" title="Logancha crater">Logancha</a></li> <li><a href="/wiki/Manicouagan_impact_structure" class="mw-redirect" title="Manicouagan impact structure">Manicouagan</a></li> <li><a href="/wiki/Manson_impact_structure" title="Manson impact structure">Manson</a></li> <li><a href="/wiki/Mistastin_crater" title="Mistastin crater">Mistastin</a></li> <li><a href="/wiki/Mj%C3%B8lnir_crater" title="Mjølnir crater">Mjølnir</a></li> <li><a href="/wiki/Montagnais_crater" title="Montagnais crater">Montagnais</a></li> <li><a href="/wiki/Morokweng_impact_structure" title="Morokweng impact structure">Morokweng</a></li> <li><a href="/wiki/N%C3%B6rdlinger_Ries" title="Nördlinger Ries">Nördlinger Ries</a></li> <li><a href="/wiki/Obolon%27_crater" title="Obolon' crater">Obolon'</a></li> <li><a href="/wiki/Popigai_impact_structure" title="Popigai impact structure">Popigai</a></li> <li><a href="/wiki/Presqu%27%C3%AEle_crater" title="Presqu'île crater">Presqu'île</a></li> <li><a href="/wiki/Puchezh-Katunki_crater" title="Puchezh-Katunki crater">Puchezh-Katunki</a></li> <li><a href="/wiki/Rochechouart_impact_structure" title="Rochechouart impact structure">Rochechouart</a></li> <li><a href="/wiki/Saint_Martin_impact_structure" title="Saint Martin impact structure">Saint Martin</a></li> <li><a href="/wiki/Shoemaker_impact_structure" title="Shoemaker impact structure">Shoemaker</a></li> <li><a href="/wiki/Siljan_Ring" title="Siljan Ring">Siljan Ring</a></li> <li><a href="/wiki/Slate_Islands_(Ontario)" title="Slate Islands (Ontario)">Slate Islands</a></li> <li><a href="/wiki/Steen_River_impact_structure" title="Steen River impact structure">Steen River</a></li> <li><a href="/wiki/Strangways_crater" title="Strangways crater">Strangways</a></li> <li><a href="/wiki/Sudbury_Basin" title="Sudbury Basin">Sudbury</a></li> <li><a href="/wiki/Tookoonooka_impact_structure" title="Tookoonooka impact structure">Tookoonooka</a></li> <li><a href="/wiki/Tunnunik_impact_structure" title="Tunnunik impact structure">Tunnunik</a></li> <li><a href="/wiki/Vredefort_impact_structure" title="Vredefort impact structure">Vredefort</a></li> <li><a href="/wiki/Woodleigh_impact_structure" title="Woodleigh impact structure">Woodleigh</a></li> <li><a href="/wiki/Yarrabubba_impact_structure" title="Yarrabubba impact structure">Yarrabubba</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#c8b890;;width:1%">Topics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alvarez_hypothesis" title="Alvarez hypothesis">Alvarez hypothesis</a></li> <li><a href="/wiki/Australite" title="Australite">Australite</a></li> <li><a href="/wiki/Breccia" title="Breccia">Breccia</a></li> <li><a href="/wiki/Coesite" title="Coesite">Coesite</a></li> <li><a href="/wiki/Complex_crater" title="Complex crater">Complex crater</a></li> <li><a href="/wiki/Cretaceous%E2%80%93Paleogene_boundary" title="Cretaceous–Paleogene boundary">Cretaceous–Paleogene boundary</a></li> <li><a href="/wiki/Cryptoexplosion" title="Cryptoexplosion">Cryptoexplosion</a></li> <li><a href="/wiki/Ejecta_blanket" title="Ejecta blanket">Ejecta blanket</a></li> <li><a href="/wiki/Impact_crater" title="Impact crater">Impact crater</a></li> <li><a href="/wiki/Impact_structure" title="Impact structure">Impact structure</a></li> <li><a href="/wiki/Impactite" title="Impactite">Impactite</a></li> <li><a href="/wiki/Late_Heavy_Bombardment" title="Late Heavy Bombardment">Late Heavy Bombardment</a></li> <li><a href="/wiki/Lechatelierite" title="Lechatelierite">Lechatelierite</a></li> <li><a href="/wiki/Meteorite" title="Meteorite">Meteorite</a></li> <li><a href="/wiki/Moldavite" title="Moldavite">Moldavite</a></li> <li><a href="/wiki/Ordovician_meteor_event" title="Ordovician meteor event">Ordovician meteor event</a></li> <li><a href="/wiki/Philippinite" title="Philippinite">Philippinite</a></li> <li><a href="/wiki/Planar_deformation_features" title="Planar deformation features">Planar deformation features</a></li> <li><a href="/wiki/Shatter_cone" title="Shatter cone">Shatter cone</a></li> <li><a href="/wiki/Shock_metamorphism" title="Shock metamorphism">Shock metamorphism</a></li> <li><a href="/wiki/Shocked_quartz" title="Shocked quartz">Shocked quartz</a></li> <li><a href="/wiki/Stishovite" title="Stishovite">Stishovite</a></li> <li><a href="/wiki/Suevite" title="Suevite">Suevite</a></li> <li><a href="/wiki/Tektite" title="Tektite">Tektite</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="background-color:#c8b890;;width:1%">Research</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ralph_Belknap_Baldwin" title="Ralph Belknap Baldwin">Ralph Belknap Baldwin</a></li> <li><a href="/wiki/Daniel_Barringer_(geologist)" title="Daniel Barringer (geologist)">Daniel Barringer</a> <ul><li><a href="/wiki/Barringer_Medal" title="Barringer Medal">Barringer Medal</a></li></ul></li> <li><a href="/wiki/Edward_C._T._Chao" title="Edward C. T. Chao">Edward C. T. Chao</a></li> <li><a href="/wiki/Robert_S._Dietz" title="Robert S. Dietz">Robert S. Dietz</a></li> <li><a href="/wiki/William_Kenneth_Hartmann" title="William Kenneth Hartmann">William Kenneth Hartmann</a></li> <li><a href="/wiki/H._Jay_Melosh" title="H. Jay Melosh">H. Jay Melosh</a></li> <li><a href="/wiki/Graham_Ryder" title="Graham Ryder">Graham Ryder</a></li> <li><a href="/wiki/Peter_H._Schultz" title="Peter H. Schultz">Peter H. Schultz</a></li> <li><a href="/wiki/Eugene_Merle_Shoemaker" title="Eugene Merle Shoemaker">Eugene Merle Shoemaker</a></li> <li><a href="/wiki/Earth_Impact_Database" title="Earth Impact Database">Earth Impact Database</a></li> <li><a href="/wiki/Impact_Field_Studies_Group" title="Impact Field Studies Group">Impact Field Studies Group</a></li> <li><a href="/wiki/Lunar_and_Planetary_Institute" title="Lunar and Planetary Institute">Lunar and Planetary Institute</a></li> <li><i><a href="/wiki/Traces_of_Catastrophe" title="Traces of Catastrophe">Traces of Catastrophe</a></i></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Planetary_defense172" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align: center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Planetary_defense" title="Template:Planetary defense"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Planetary_defense" title="Template talk:Planetary defense"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Planetary_defense" title="Special:EditPage/Template:Planetary defense"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Planetary_defense172" style="font-size:114%;margin:0 4em"><a href="/wiki/Asteroid_impact_avoidance" title="Asteroid impact avoidance">Planetary defense</a></div></th></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Main topics</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Asteroid" title="Asteroid">Asteroid</a></li> <li><a href="/wiki/Bolide" title="Bolide">Bolide</a></li> <li><a href="/wiki/Earth-grazing_fireball" title="Earth-grazing fireball">Earth-grazing fireball</a></li> <li><a href="/wiki/Impact_event" title="Impact event">Impact event</a></li> <li><a href="/wiki/Meteor_air_burst" title="Meteor air burst">Meteor air burst</a></li> <li><a href="/wiki/Meteor_procession" title="Meteor procession">Meteor procession</a></li> <li><a href="/wiki/Meteor_shower" title="Meteor shower">Meteor shower</a></li> <li><a href="/wiki/Meteorite" title="Meteorite">Meteorite</a></li> <li><a href="/wiki/Meteoroid" title="Meteoroid">Meteoroid</a></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth object</a></li> <li><a class="mw-selflink selflink">Potentially hazardous object</a></li> <li><a href="/wiki/List_of_Earth-crossing_minor_planets" class="mw-redirect" title="List of Earth-crossing minor planets">Earth-crossing minor planets</a></li> <li><a href="/wiki/List_of_asteroid_close_approaches_to_Earth" title="List of asteroid close approaches to Earth">Asteroid close approaches</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Defense</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Asteroid_impact_avoidance" title="Asteroid impact avoidance">Asteroid impact avoidance</a> <ul><li><a href="/wiki/Asteroid_laser_ablation" title="Asteroid laser ablation">Asteroid laser ablation</a></li> <li><a href="/wiki/Gravity_tractor" title="Gravity tractor">Gravity tractor</a></li> <li><a href="/wiki/Ion-beam_shepherd" title="Ion-beam shepherd">Ion-beam shepherd</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Space probes</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/Dawn_(spacecraft)" title="Dawn (spacecraft)">Dawn</a></i></li> <li><i><a href="/wiki/Deep_Impact_(spacecraft)" title="Deep Impact (spacecraft)">Deep Impact</a></i></li> <li><a href="/wiki/HAMMER_(spacecraft)" title="HAMMER (spacecraft)">HAMMER</a></li> <li><a href="/wiki/AIDA_(mission)" class="mw-redirect" title="AIDA (mission)">AIDA</a> <ul><li><a href="/wiki/Hera_(space_mission)" title="Hera (space mission)">Hera</a></li> <li><a href="/wiki/Double_Asteroid_Redirection_Test" title="Double Asteroid Redirection Test"><i>DART</i></a></li></ul></li> <li><a href="/wiki/Halley_Armada" title="Halley Armada">Halley Armada</a></li> <li><i><a href="/wiki/Hayabusa" title="Hayabusa">Hayabusa</a></i></li> <li><i><a href="/wiki/Hayabusa2" title="Hayabusa2">Hayabusa2</a></i> <ul><li><a href="/wiki/Hayabusa2#MASCOT" title="Hayabusa2">MASCOT</a></li></ul></li> <li><i><a href="/wiki/NEAR_Shoemaker" title="NEAR Shoemaker">NEAR Shoemaker</a></i></li> <li><a href="/wiki/Near-Earth_Asteroid_Scout" title="Near-Earth Asteroid Scout">NEA Scout</a></li> <li><i><a href="/wiki/New_Horizons" title="New Horizons">New Horizons</a></i></li> <li><a href="/wiki/OSIRIS-REx" title="OSIRIS-REx">OSIRIS-REx</a></li> <li><a href="/wiki/PROCYON" title="PROCYON">PROCYON</a></li> <li><i><a href="/wiki/Rosetta_(spacecraft)" title="Rosetta (spacecraft)">Rosetta</a></i> <ul><li><i><a href="/wiki/Philae_(spacecraft)" title="Philae (spacecraft)">Philae</a></i></li></ul></li> <li><i><a href="/wiki/Stardust_(spacecraft)" title="Stardust (spacecraft)">Stardust</a></i></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Near-Earth_object" title="Near-Earth object">NEO</a> tracking</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Asteroid_Terrestrial-impact_Last_Alert_System" title="Asteroid Terrestrial-impact Last Alert System">ATLAS</a></li> <li><a href="/wiki/Catalina_Sky_Survey" title="Catalina Sky Survey">Catalina Sky Survey</a></li> <li><a href="/wiki/Lincoln_Near-Earth_Asteroid_Research" title="Lincoln Near-Earth Asteroid Research">LINEAR</a></li> <li><a href="/wiki/Lowell_Observatory_Near-Earth-Object_Search" title="Lowell Observatory Near-Earth-Object Search">LONEOS</a></li> <li><a href="/wiki/Near-Earth_Asteroid_Tracking" title="Near-Earth Asteroid Tracking">NEAT</a></li> <li><a href="/wiki/NEODyS" title="NEODyS">NEODyS</a></li> <li><a href="/wiki/NEO_Surveyor" title="NEO Surveyor">NEO Surveyor</a></li> <li><a href="/wiki/Near_Earth_Object_Surveillance_Satellite" title="Near Earth Object Surveillance Satellite">NEOSSat</a></li> <li><a href="/wiki/ESA_Optical_Ground_Station" title="ESA Optical Ground Station">OGS Telescope</a></li> <li><a href="/wiki/Orbit@home" title="Orbit@home">Orbit@home</a></li> <li><a href="/wiki/Pan-STARRS" title="Pan-STARRS">Pan-STARRS</a></li> <li><a href="/wiki/Beijing_Schmidt_CCD_Asteroid_Program" title="Beijing Schmidt CCD Asteroid Program">SCAP</a></li> <li><a href="/wiki/Sentinel_Space_Telescope" title="Sentinel Space Telescope">Sentinel Space Telescope</a></li> <li><a href="/wiki/Sentry_(monitoring_system)" title="Sentry (monitoring system)">Sentry</a></li> <li><a href="/wiki/Spacewatch" title="Spacewatch">Spacewatch</a></li> <li><a href="/wiki/Wide-field_Infrared_Survey_Explorer" title="Wide-field Infrared Survey Explorer">WISE</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Organizations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/B612_Foundation" title="B612 Foundation">B612 Foundation</a></li> <li><a href="/wiki/Japan_Spaceguard_Association" title="Japan Spaceguard Association">Japan Spaceguard Association</a></li> <li><a href="/wiki/Meteoritical_Society" class="mw-redirect" title="Meteoritical Society">Meteoritical Society</a></li> <li><a href="/wiki/Asteroid_impact_avoidance#Ongoing_projects" title="Asteroid impact avoidance">NEOShield</a></li> <li><a href="/wiki/Spaceguard" title="Spaceguard">Spaceguard</a></li> <li><a href="/wiki/The_Spaceguard_Foundation" title="The Spaceguard Foundation">The Spaceguard Foundation</a></li> <li><a href="/wiki/Space_Situational_Awareness_Programme" title="Space Situational Awareness Programme">Space Situational Awareness Programme</a></li> <li><a href="/wiki/Planetary_Defense_Coordination_Office" title="Planetary Defense Coordination Office">Planetary Defense Coordination Office</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Hazard rating</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Torino_scale" title="Torino scale">Torino scale</a></li> <li><a href="/wiki/Palermo_scale" title="Palermo scale">Palermo scale</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Potential threats</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/(29075)_1950_DA" title="(29075) 1950 DA">1950 DA</a></li> <li><a href="/wiki/101955_Bennu" title="101955 Bennu">101955 Bennu</a></li> <li><a href="/wiki/2010_RF12" title="2010 RF12">2010 RF<sub>12</sub></a></li> <li><a href="/wiki/99942_Apophis" title="99942 Apophis">99942 Apophis</a></li> <li><a href="/wiki/2024_YR4" title="2024 YR4">2024 YR<sub>4</sub></a></li> <li><a href="/wiki/List_of_objects_with_non-zero_Torino_ratings" title="List of objects with non-zero Torino ratings">List of objects with non-zero Torino ratings</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Related categories</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Category:Impact_events" title="Category:Impact events">Impact events</a></li> <li><a href="/wiki/Category:Fiction_about_meteoroids" title="Category:Fiction about meteoroids">Fiction about meteoroids</a></li> <li><a href="/wiki/Category:Fiction_about_impact_events" title="Category:Fiction about impact events">Fiction about impact events</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Global_catastrophic_risks750" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Global_catastrophic_risks" title="Template:Global catastrophic risks"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Global_catastrophic_risks" title="Template talk:Global catastrophic risks"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Global_catastrophic_risks" title="Special:EditPage/Template:Global catastrophic risks"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Global_catastrophic_risks750" style="font-size:114%;margin:0 4em"><a href="/wiki/Global_catastrophic_risk" title="Global catastrophic risk">Global catastrophic risks</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/Future_of_Earth" title="Future of Earth">Future of the Earth</a></li> <li><a href="/wiki/Future_of_an_expanding_universe" title="Future of an expanding universe">Future of an expanding universe</a> <ul><li><a href="/wiki/Ultimate_fate_of_the_universe" title="Ultimate fate of the universe">Ultimate fate of the universe</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Technological</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chemical_warfare" title="Chemical warfare">Chemical warfare</a></li> <li><a href="/wiki/Cyberattack" title="Cyberattack">Cyberattack</a> <ul><li><a href="/wiki/Cyberwarfare" title="Cyberwarfare">Cyberwarfare</a></li> <li><a href="/wiki/Cyberterrorism" title="Cyberterrorism">Cyberterrorism</a></li> <li><a href="/wiki/Cybergeddon" title="Cybergeddon">Cybergeddon</a></li></ul></li> <li><a href="/wiki/Gray_goo" title="Gray goo">Gray goo</a></li> <li><a href="/wiki/Industrial_applications_of_nanotechnology#Weapons" title="Industrial applications of nanotechnology">Nanoweapons</a></li> <li><a href="/wiki/Kinetic_bombardment" title="Kinetic bombardment">Kinetic bombardment</a> <ul><li><a href="/wiki/Kinetic_energy_weapon" title="Kinetic energy weapon">Kinetic energy weapon</a></li></ul></li> <li><a href="/wiki/Nuclear_warfare" title="Nuclear warfare">Nuclear warfare</a> <ul><li><a href="/wiki/Mutual_assured_destruction" title="Mutual assured destruction">Mutual assured destruction</a></li> <li><a href="/wiki/Dead_Hand" title="Dead Hand">Dead Hand</a></li> <li><a href="/wiki/Doomsday_Clock" title="Doomsday Clock">Doomsday Clock</a></li> <li><a href="/wiki/Doomsday_device" title="Doomsday device">Doomsday device</a></li> <li><a href="/wiki/Antimatter_weapon" title="Antimatter weapon">Antimatter weapon</a></li></ul></li> <li><a href="/wiki/Electromagnetic_pulse" title="Electromagnetic pulse">Electromagnetic pulse</a> (EMP)</li> <li><a href="/wiki/Safety_of_high-energy_particle_collision_experiments" title="Safety of high-energy particle collision experiments">Safety of high-energy particle collision experiments</a> <ul><li><a href="/wiki/Micro_black_hole" title="Micro black hole">Micro black hole</a></li> <li><a href="/wiki/Strangelet" title="Strangelet">Strangelet</a></li></ul></li> <li><a href="/wiki/Synthetic_intelligence" title="Synthetic intelligence">Synthetic intelligence</a> / <a href="/wiki/Artificial_intelligence" title="Artificial intelligence">Artificial intelligence</a> <ul><li><a href="/wiki/AI_takeover" title="AI takeover">AI takeover</a></li> <li><a href="/wiki/Existential_risk_from_artificial_general_intelligence" class="mw-redirect" title="Existential risk from artificial general intelligence">Existential risk from artificial intelligence</a></li> <li><a href="/wiki/Technological_singularity" title="Technological singularity">Technological singularity</a></li></ul></li> <li><a href="/wiki/Transhumanism" title="Transhumanism">Transhumanism</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Sociological</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anthropogenic_hazard" class="mw-redirect" title="Anthropogenic hazard">Anthropogenic hazard</a></li> <li><a href="/wiki/Collapsology" title="Collapsology">Collapsology</a></li> <li><a href="/wiki/Doomsday_argument" title="Doomsday argument">Doomsday argument</a> <ul><li><a href="/wiki/Self-indication_assumption_doomsday_argument_rebuttal" title="Self-indication assumption doomsday argument rebuttal">Self-indication assumption doomsday argument rebuttal</a></li> <li><a href="/wiki/Self-referencing_doomsday_argument_rebuttal" title="Self-referencing doomsday argument rebuttal">Self-referencing doomsday argument rebuttal</a></li></ul></li> <li><a href="/wiki/Economic_collapse" title="Economic collapse">Economic collapse</a></li> <li><a href="/wiki/Malthusianism" title="Malthusianism">Malthusian catastrophe</a></li> <li><a href="/wiki/New_World_Order_(conspiracy_theory)" class="mw-redirect" title="New World Order (conspiracy theory)">New World Order (conspiracy theory)</a></li> <li><a href="/wiki/Nuclear_holocaust" title="Nuclear holocaust">Nuclear holocaust</a> <ul><li><a href="/wiki/Cobalt_bomb" title="Cobalt bomb">cobalt</a></li> <li><a href="/wiki/Nuclear_famine" title="Nuclear famine">famine</a></li> <li><a href="/wiki/Nuclear_winter" title="Nuclear winter">winter</a></li></ul></li> <li><a href="/wiki/Societal_collapse" title="Societal collapse">Societal collapse</a></li> <li><a href="/wiki/State_collapse" title="State collapse">State collapse</a></li> <li><a href="/wiki/World_War_III" title="World War III">World War III</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Climate_apocalypse" title="Climate apocalypse">Ecological</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Climate_variability_and_change" title="Climate variability and change">Climate change</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anoxic_event" title="Anoxic event">Anoxic event</a></li> <li><a href="/wiki/Biodiversity_loss" title="Biodiversity loss">Biodiversity loss</a> <ul><li><a href="/wiki/Mass_mortality_event" title="Mass mortality event">Mass mortality event</a></li></ul></li> <li><a href="/wiki/Cascade_effect_(ecology)" title="Cascade effect (ecology)">Cascade effect</a></li> <li><a href="/wiki/Cataclysmic_pole_shift_hypothesis" title="Cataclysmic pole shift hypothesis">Cataclysmic pole shift hypothesis</a></li> <li><a href="/wiki/Climate_change_and_civilizational_collapse" title="Climate change and civilizational collapse">Climate change and civilizational collapse</a></li> <li><a href="/wiki/Deforestation" title="Deforestation">Deforestation</a></li> <li><a href="/wiki/Desertification" title="Desertification">Desertification</a></li> <li><a href="/wiki/Extinction_risk_from_climate_change" title="Extinction risk from climate change">Extinction risk from climate change</a> <ul><li><a href="/wiki/Tipping_points_in_the_climate_system" title="Tipping points in the climate system">Tipping points in the climate system</a></li></ul></li> <li><a href="/wiki/Flood_basalt" title="Flood basalt">Flood basalt</a></li> <li><a href="/wiki/Global_dimming" title="Global dimming">Global dimming</a></li> <li><a href="/wiki/Global_terrestrial_stilling" title="Global terrestrial stilling">Global terrestrial stilling</a></li> <li><a href="/wiki/Climate_change" title="Climate change">Global warming</a></li> <li><a href="/wiki/Hypercane" title="Hypercane">Hypercane</a></li> <li><a href="/wiki/Ice_age" title="Ice age">Ice age</a></li> <li><a href="/wiki/Ecocide" title="Ecocide">Ecocide</a></li> <li><a href="/wiki/Ecological_collapse" class="mw-redirect" title="Ecological collapse">Ecological collapse</a></li> <li><a href="/wiki/Environmental_degradation" title="Environmental degradation">Environmental degradation</a></li> <li><a href="/wiki/Habitat_destruction" title="Habitat destruction">Habitat destruction</a></li> <li><a href="/wiki/Human_impact_on_the_environment" title="Human impact on the environment">Human impact on the environment</a> <ul><li><a href="/wiki/Environmental_issues_with_coral_reefs" title="Environmental issues with coral reefs">coral reefs</a></li> <li><a href="/wiki/Human_impact_on_marine_life" title="Human impact on marine life">on marine life</a></li></ul></li> <li><a href="/wiki/Land_degradation" title="Land degradation">Land degradation</a></li> <li><a href="/wiki/Land_consumption" title="Land consumption">Land consumption</a></li> <li><a href="/wiki/Land_surface_effects_on_climate" title="Land surface effects on climate">Land surface effects on climate</a></li> <li><a href="/wiki/Ocean_acidification" title="Ocean acidification">Ocean acidification</a></li> <li><a href="/wiki/Ozone_depletion" title="Ozone depletion">Ozone depletion</a></li> <li><a href="/wiki/Resource_depletion" title="Resource depletion">Resource depletion</a></li> <li><a href="/wiki/Sea_level_rise" title="Sea level rise">Sea level rise</a></li> <li><a href="/wiki/Supervolcano" title="Supervolcano">Supervolcano</a> <ul><li><a href="/wiki/Volcanic_winter" title="Volcanic winter">winter</a></li></ul></li> <li><a href="/wiki/Verneshot" title="Verneshot">Verneshot</a></li> <li><a href="/wiki/Water_pollution" title="Water pollution">Water pollution</a></li> <li><a href="/wiki/Water_scarcity" title="Water scarcity">Water scarcity</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Earth_Overshoot_Day" title="Earth Overshoot Day">Earth Overshoot Day</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Overexploitation" title="Overexploitation">Overexploitation</a></li> <li><a href="/wiki/Overpopulation" title="Overpopulation">Overpopulation</a> <ul><li><a href="/wiki/Human_overpopulation" title="Human overpopulation">Human overpopulation</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Biological</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Extinction" title="Extinction">Extinction</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Extinction_event" title="Extinction event">Extinction event</a></li> <li><a href="/wiki/Holocene_extinction" title="Holocene extinction">Holocene extinction</a></li> <li><a href="/wiki/Human_extinction" title="Human extinction">Human extinction</a></li> <li><a href="/wiki/List_of_extinction_events" title="List of extinction events">List of extinction events</a></li> <li><a href="/wiki/Genetic_erosion" title="Genetic erosion">Genetic erosion</a></li> <li><a href="/wiki/Genetic_pollution" title="Genetic pollution">Genetic pollution</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Others</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Biodiversity_loss" title="Biodiversity loss">Biodiversity loss</a> <ul><li><a href="/wiki/Decline_in_amphibian_populations" title="Decline in amphibian populations">Decline in amphibian populations</a></li> <li><a href="/wiki/Decline_in_insect_populations" title="Decline in insect populations">Decline in insect populations</a></li></ul></li> <li><a href="/wiki/Biotechnology_risk" title="Biotechnology risk">Biotechnology risk</a> <ul><li><a href="/wiki/Biological_agent" title="Biological agent">Biological agent</a></li> <li><a href="/wiki/Biological_warfare" title="Biological warfare">Biological warfare</a></li> <li><a href="/wiki/Bioterrorism" title="Bioterrorism">Bioterrorism</a></li></ul></li> <li><a href="/wiki/Colony_collapse_disorder" title="Colony collapse disorder">Colony collapse disorder</a></li> <li><a href="/wiki/Defaunation" title="Defaunation">Defaunation</a></li> <li><a href="/wiki/Dysgenics" title="Dysgenics">Dysgenics</a></li> <li><a href="/wiki/Interplanetary_contamination" title="Interplanetary contamination">Interplanetary contamination</a></li> <li><a href="/wiki/Pandemic" title="Pandemic">Pandemic</a></li> <li><a href="/wiki/Pollinator_decline" title="Pollinator decline">Pollinator decline</a></li> <li><a href="/wiki/Overfishing" title="Overfishing">Overfishing</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Astronomical</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Big_Crunch" title="Big Crunch">Big Crunch</a></li> <li><a href="/wiki/Big_Rip" title="Big Rip">Big Rip</a></li> <li><a href="/wiki/Coronal_mass_ejection" title="Coronal mass ejection">Coronal mass ejection</a></li> <li><a href="/wiki/Cosmological_phase_transition" title="Cosmological phase transition">Cosmological phase transition</a></li> <li><a href="/wiki/Geomagnetic_storm" title="Geomagnetic storm">Geomagnetic storm</a></li> <li><a href="/wiki/False_vacuum_decay" class="mw-redirect" title="False vacuum decay">False vacuum decay</a></li> <li><a href="/wiki/Gamma-ray_burst" title="Gamma-ray burst">Gamma-ray burst</a></li> <li><a href="/wiki/Heat_death_of_the_universe" title="Heat death of the universe">Heat death of the universe</a></li> <li><a href="/wiki/Proton_decay" title="Proton decay">Proton decay</a></li> <li><a href="/wiki/Virtual_black_hole" title="Virtual black hole">Virtual black hole</a></li> <li><a href="/wiki/Impact_event" title="Impact event">Impact event</a> <ul><li><a href="/wiki/Asteroid_impact_avoidance" title="Asteroid impact avoidance">Asteroid impact avoidance</a></li> <li><a href="/wiki/Asteroid_impact_prediction" title="Asteroid impact prediction">Asteroid impact prediction</a></li> <li><a class="mw-selflink selflink">Potentially hazardous object</a> <ul><li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth object</a></li></ul></li> <li><a href="/wiki/Impact_winter" title="Impact winter">winter</a></li> <li><a href="/wiki/Rogue_planet" title="Rogue planet">Rogue planet</a></li> <li><a href="/wiki/Intergalactic_star" title="Intergalactic star">Rogue star</a></li></ul></li> <li><a href="/wiki/Near-Earth_supernova" title="Near-Earth supernova">Near-Earth supernova</a></li> <li><a href="/wiki/Hypernova" title="Hypernova">Hypernova</a></li> <li><a href="/wiki/Micronova" title="Micronova">Micronova</a></li> <li><a href="/wiki/Solar_flare" title="Solar flare">Solar flare</a></li> <li><a href="/wiki/Stellar_collision" title="Stellar collision">Stellar collision</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Eschatology" title="Eschatology">Eschatological</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Buddhist_eschatology" title="Buddhist eschatology">Buddhist</a> <ul><li><a href="/wiki/Maitreya" title="Maitreya">Maitreya</a></li> <li><a href="/wiki/Three_Ages_of_Buddhism" class="mw-redirect" title="Three Ages of Buddhism">Three Ages</a></li></ul></li> <li><a href="/wiki/Hindu_eschatology" title="Hindu eschatology">Hindu</a> <ul><li><a href="/wiki/Kalki" title="Kalki">Kalki</a></li> <li><a href="/wiki/Kali_Yuga" title="Kali Yuga">Kali Yuga</a></li></ul></li> <li><a href="/wiki/Last_Judgment" title="Last Judgment">Last Judgement</a></li> <li><a href="/wiki/Second_Coming" title="Second Coming">Second Coming</a> <ul><li><a href="/wiki/Book_of_Enoch" title="Book of Enoch">1 Enoch</a></li> <li><a href="/wiki/Book_of_Daniel" title="Book of Daniel">Daniel</a> <ul><li><a href="/wiki/Abomination_of_desolation" title="Abomination of desolation">Abomination of desolation</a></li> <li><a href="/wiki/Prophecy_of_Seventy_Weeks" title="Prophecy of Seventy Weeks">Prophecy of Seventy Weeks</a></li></ul></li> <li><a href="/wiki/Messiah" title="Messiah">Messiah</a></li> <li><a href="/wiki/Christian_eschatology" title="Christian eschatology">Christian</a> <ul><li><a href="/wiki/Futurism_(Christianity)" title="Futurism (Christianity)">Futurism</a></li> <li><a href="/wiki/Historicism_(Christianity)" title="Historicism (Christianity)">Historicism</a> <ul><li><a href="/wiki/Historicist_interpretations_of_the_Book_of_Revelation" title="Historicist interpretations of the Book of Revelation">Interpretations of Revelation</a></li></ul></li> <li><a href="/wiki/Idealism_(Christian_eschatology)" title="Idealism (Christian eschatology)"> Idealism</a></li> <li><a href="/wiki/Preterism" title="Preterism">Preterism</a></li> <li><a href="/wiki/2_Esdras" title="2 Esdras">2 Esdras</a></li> <li><a href="/wiki/Second_Epistle_to_the_Thessalonians" title="Second Epistle to the Thessalonians">2 Thessalonians</a> <ul><li><a href="/wiki/Man_of_sin" title="Man of sin">Man of sin</a></li> <li><a href="/wiki/Katechon" title="Katechon">Katechon</a></li></ul></li> <li><a href="/wiki/Antichrist" title="Antichrist">Antichrist</a></li> <li><a href="/wiki/Book_of_Revelation" title="Book of Revelation">Book of Revelation</a> <ul><li><a href="/wiki/Events_of_Revelation" title="Events of Revelation">Events</a> <ul><li><a href="/wiki/Four_Horsemen_of_the_Apocalypse" title="Four Horsemen of the Apocalypse">Four Horsemen of the Apocalypse</a></li> <li><a href="/wiki/Lake_of_fire" title="Lake of fire">Lake of fire</a></li> <li><a href="/wiki/Number_of_the_beast" title="Number of the beast">Number of the Beast</a></li> <li><a href="/wiki/Seven_bowls" title="Seven bowls">Seven bowls</a></li> <li><a href="/wiki/Seven_seals" title="Seven seals">Seven seals</a></li> <li><a href="/wiki/The_Beast_(Revelation)" title="The Beast (Revelation)">The Beast</a></li> <li><a href="/wiki/Two_witnesses" title="Two witnesses">Two witnesses</a></li> <li><a href="/wiki/War_in_Heaven" title="War in Heaven">War in Heaven</a></li> <li><a href="/wiki/Whore_of_Babylon" title="Whore of Babylon">Whore of Babylon</a></li></ul></li></ul></li> <li><a href="/wiki/Great_Apostasy" title="Great Apostasy">Great Apostasy</a></li> <li><a href="/wiki/New_Earth_(Christianity)" title="New Earth (Christianity)">New Earth</a></li> <li><a href="/wiki/New_Jerusalem" title="New Jerusalem">New Jerusalem</a></li> <li><a href="/wiki/Olivet_Discourse" title="Olivet Discourse">Olivet Discourse</a> <ul><li><a href="/wiki/Great_Tribulation" title="Great Tribulation">Great Tribulation</a></li></ul></li> <li><a href="/wiki/Son_of_perdition" title="Son of perdition">Son of perdition</a></li> <li><a href="/wiki/The_Sheep_and_the_Goats" title="The Sheep and the Goats">Sheep and Goats</a></li></ul></li> <li><a href="/wiki/Islamic_eschatology" title="Islamic eschatology">Islamic</a> <ul><li><a href="/wiki/Qa%27im_Al_Muhammad" title="Qa'im Al Muhammad">Al-Qa'im</a></li> <li><a href="/wiki/Beast_of_the_Earth" title="Beast of the Earth">Beast of the Earth</a></li> <li><a href="/wiki/Dhu_al-Qarnayn" title="Dhu al-Qarnayn">Dhu al-Qarnayn</a></li> <li><a href="/wiki/Dhul-Suwayqatayn" title="Dhul-Suwayqatayn">Dhul-Suwayqatayn</a></li> <li><a href="/wiki/Al-Masih_ad-Dajjal" title="Al-Masih ad-Dajjal">Dajjal</a></li> <li><a href="/wiki/Israfil" title="Israfil">Israfil</a></li> <li><a href="/wiki/Mahdi" title="Mahdi">Mahdi</a></li> <li><a href="/wiki/Sufyani" title="Sufyani">Sufyani</a></li></ul></li> <li><a href="/wiki/Jewish_eschatology" title="Jewish eschatology">Jewish</a> <ul><li><a href="/wiki/Messiah_in_Judaism" title="Messiah in Judaism">Messiah</a></li> <li><a href="/wiki/Gog_and_Magog" title="Gog and Magog">War of Gog and Magog</a></li> <li><a href="/wiki/Third_Temple" title="Third Temple">Third Temple</a></li></ul></li></ul></li> <li><a href="/wiki/Ragnar%C3%B6k" title="Ragnarök">Norse</a></li> <li><a href="/wiki/Frashokereti" title="Frashokereti">Zoroastrian</a> <ul><li><a href="/wiki/Saoshyant" title="Saoshyant">Saoshyant</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Others</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/2011_end_times_prediction" title="2011 end times prediction">2011 end times prediction</a></li> <li><a href="/wiki/2012_phenomenon" title="2012 phenomenon">2012 phenomenon</a></li> <li><a href="/wiki/Apocalypse" title="Apocalypse">Apocalypse</a></li> <li><a href="/wiki/Apocalyptic_literature" title="Apocalyptic literature">Apocalyptic literature</a></li> <li><a href="/wiki/Apocalypticism" title="Apocalypticism">Apocalypticism</a></li> <li><a href="/wiki/Armageddon" title="Armageddon">Armageddon</a></li> <li><a href="/wiki/Blood_moon_prophecy" title="Blood moon prophecy">Blood moon prophecy</a></li> <li><a href="/wiki/Earth_Changes" title="Earth Changes">Earth Changes</a></li> <li><a href="/wiki/Global_catastrophic_risk" title="Global catastrophic risk">End time</a></li> <li><a href="/wiki/Gog_and_Magog" title="Gog and Magog">Gog and Magog</a></li> <li><a href="/wiki/List_of_dates_predicted_for_apocalyptic_events" title="List of dates predicted for apocalyptic events">List of dates predicted for apocalyptic events</a></li> <li><a href="/wiki/Messianism" title="Messianism">Messianism</a> <ul><li><a href="/wiki/Messianic_Age" title="Messianic Age">Messianic Age</a></li></ul></li> <li><a href="/wiki/Millenarianism" title="Millenarianism">Millenarianism</a></li> <li><a href="/wiki/Millennialism" title="Millennialism">Millennialism</a> <ul><li><a href="/wiki/Premillennialism" title="Premillennialism">Premillennialism</a></li> <li><a href="/wiki/Amillennialism" title="Amillennialism">Amillennialism</a></li> <li><a href="/wiki/Postmillennialism" title="Postmillennialism">Postmillennialism</a></li></ul></li> <li><a href="/wiki/Nemesis_(hypothetical_star)" title="Nemesis (hypothetical star)">Nemesis (hypothetical star)</a></li> <li><a href="/wiki/Nibiru_cataclysm" title="Nibiru cataclysm">Nibiru cataclysm</a></li> <li><a href="/wiki/Rapture" title="Rapture">Rapture</a> <ul><li><a href="/wiki/Rapture#Prewrath_premillennialism" title="Rapture">Prewrath</a></li> <li><a href="/wiki/Posttribulation_rapture" title="Posttribulation rapture">Posttribulation rapture</a></li></ul></li> <li><a href="/wiki/Universal_resurrection" title="Universal resurrection">Resurrection of the dead</a></li> <li><a href="/wiki/World_to_come" title="World to come">World to come</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Fictional</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alien_invasion" title="Alien invasion">Alien invasion</a></li> <li><a href="/wiki/Apocalyptic_and_post-apocalyptic_fiction" title="Apocalyptic and post-apocalyptic fiction">Apocalyptic and post-apocalyptic fiction</a> <ul><li><a href="/wiki/List_of_apocalyptic_and_post-apocalyptic_fiction" title="List of apocalyptic and post-apocalyptic fiction">List of apocalyptic and post-apocalyptic fiction</a></li> <li><a href="/wiki/List_of_apocalyptic_films" title="List of apocalyptic films">List of apocalyptic films</a></li></ul></li> <li><a href="/wiki/Climate_fiction" title="Climate fiction">Climate fiction</a></li> <li><a href="/wiki/Disaster_film" title="Disaster film">Disaster films</a> <ul><li><a href="/wiki/List_of_disaster_films" title="List of disaster films">List of disaster films</a></li></ul></li> <li><a href="/wiki/Zombie_apocalypse" title="Zombie apocalypse">Zombie apocalypse</a> <ul><li><a href="/wiki/Zombie" title="Zombie">Zombie</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Organizations</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Centre_for_the_Study_of_Existential_Risk" title="Centre for the Study of Existential Risk">Centre for the Study of Existential Risk</a></li> <li><a href="/wiki/Future_of_Humanity_Institute" title="Future of Humanity Institute">Future of Humanity Institute</a></li> <li><a href="/wiki/Future_of_Life_Institute" title="Future of Life Institute">Future of Life Institute</a></li> <li><a href="/wiki/Nuclear_Threat_Initiative" title="Nuclear Threat Initiative">Nuclear Threat Initiative</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">General</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ransomware" title="Ransomware">Ransomware</a></li> <li><a href="/wiki/Cyberwarfare" title="Cyberwarfare">Cyberwarfare</a></li> <li><a href="/wiki/Disaster" title="Disaster">Disaster</a></li> <li><a href="/wiki/Economic_depression" title="Economic depression">Depression</a></li> <li><a href="/wiki/Financial_crisis" title="Financial crisis">Financial crisis</a></li> <li><a href="/wiki/Pandemic" title="Pandemic">Pandemic</a></li> <li><a href="/wiki/Riot" title="Riot">Riots</a></li> <li><a href="/wiki/Social_crisis" title="Social crisis">Social crisis</a></li> <li><a href="/wiki/Survivalism" title="Survivalism">Survivalism</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><b><span class="nowrap"><span class="noviewer" typeof="mw:File"><a href="/wiki/File:The_Earth_seen_from_Apollo_17.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/16px-The_Earth_seen_from_Apollo_17.jpg" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/24px-The_Earth_seen_from_Apollo_17.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/97/The_Earth_seen_from_Apollo_17.jpg/32px-The_Earth_seen_from_Apollo_17.jpg 2x" data-file-width="3000" data-file-height="3002" /></a></span> </span><a href="/wiki/Portal:World" title="Portal:World">World portal</a></b></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> Categories <ul><li><a href="/wiki/Category:Apocalypticism" title="Category:Apocalypticism">Apocalypticism</a></li> <li><a href="/wiki/Category:Future_problems" title="Category:Future problems">Future problems</a></li> <li><a href="/wiki/Category:Hazards" title="Category:Hazards">Hazards</a></li> <li><a href="/wiki/Category:Risk_analysis" title="Category:Risk analysis">Risk analysis</a></li> <li><a href="/wiki/Category:Doomsday_scenarios" title="Category:Doomsday scenarios">Doomsday scenarios</a></li></ul></li></ul> 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