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id="toc-Military_limitations_(until_end_2011)-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Solar_System" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Solar_System"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Solar System</span> </div> </a> <ul id="toc-Solar_System-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Beyond_the_Solar_System" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Beyond_the_Solar_System"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Beyond the Solar System</span> </div> </a> <ul id="toc-Beyond_the_Solar_System-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Selected_discoveries" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Selected_discoveries"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>Selected discoveries</span> </div> </a> <ul id="toc-Selected_discoveries-sublist" class="vector-toc-list"> </ul> </li> </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> <ul id="toc-External_links-sublist" class="vector-toc-list"> </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" > <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 28 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-28" 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">28 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/%D9%85%D9%82%D8%B1%D8%A7%D8%A8_%D8%A8%D8%A7%D9%86_%D8%B3%D8%AA%D8%A7%D8%B1%D8%B2" title="مقراب بان ستارز – Arabic" lang="ar" hreflang="ar" data-title="مقراب بان ستارز" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Catalan" lang="ca" hreflang="ca" data-title="Pan-STARRS" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Czech" lang="cs" hreflang="cs" data-title="Pan-STARRS" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Danish" lang="da" hreflang="da" data-title="Pan-STARRS" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – German" lang="de" hreflang="de" data-title="Pan-STARRS" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Greek" lang="el" hreflang="el" data-title="Pan-STARRS" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Spanish" lang="es" hreflang="es" data-title="Pan-STARRS" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Esperanto" lang="eo" hreflang="eo" data-title="Pan-STARRS" 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/Pan-STARRS" title="Pan-STARRS – Basque" lang="eu" hreflang="eu" data-title="Pan-STARRS" 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/%D9%BE%D8%A7%D9%86-%D8%B3%D8%AA%D8%A7%D8%B1%D8%B2" title="پان-ستارز – Persian" lang="fa" hreflang="fa" data-title="پان-ستارز" 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/Pan-STARRS" title="Pan-STARRS – French" lang="fr" hreflang="fr" data-title="Pan-STARRS" 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/%ED%8C%90%EC%8A%A4%ED%83%80%EC%8A%A4" title="판스타스 – Korean" lang="ko" hreflang="ko" data-title="판스타스" 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/Pan-STARRS" title="Pan-STARRS – Croatian" lang="hr" hreflang="hr" data-title="Pan-STARRS" 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/Pan-STARRS" title="Pan-STARRS – Italian" lang="it" hreflang="it" data-title="Pan-STARRS" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Georgian" lang="ka" hreflang="ka" data-title="Pan-STARRS" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Luxembourgish" lang="lb" hreflang="lb" data-title="Pan-STARRS" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Hungarian" lang="hu" hreflang="hu" data-title="Pan-STARRS" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Pan-starrs" title="Pan-starrs – Dutch" lang="nl" hreflang="nl" data-title="Pan-starrs" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%91%E3%83%B3%E3%82%B9%E3%82%BF%E3%83%BC%E3%82%BA" title="パンスターズ – Japanese" lang="ja" hreflang="ja" data-title="パンスターズ" 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-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Pan-STARRS" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Polish" lang="pl" hreflang="pl" data-title="Pan-STARRS" 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/Pan-STARRS" title="Pan-STARRS – Portuguese" lang="pt" hreflang="pt" data-title="Pan-STARRS" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Russian" lang="ru" hreflang="ru" data-title="Pan-STARRS" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Finnish" lang="fi" hreflang="fi" data-title="Pan-STARRS" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Swedish" lang="sv" hreflang="sv" data-title="Pan-STARRS" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Pan-STARRS" title="Pan-STARRS – Turkish" lang="tr" hreflang="tr" data-title="Pan-STARRS" data-language-autonym="Türkçe" 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.geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Pan-STARRS&params=20.707318_N_156.25589_W_"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">20°42′26″N</span> <span class="longitude">156°15′21″W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">20.707318°N 156.25589°W</span><span style="display:none"> / <span class="geo">20.707318; -156.25589</span></span></span></a></span></span></div></div> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" 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">Multi-telescope astronomical survey</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">This article is about the <a href="/wiki/Astronomical_survey" title="Astronomical survey">astronomical survey</a> program. For the Pan-STARRS comet, see <a href="/wiki/C/2011_L4" class="mw-redirect" title="C/2011 L4">C/2011 L4</a>. For other things called "Pan-STARRS", see <a href="/wiki/List_of_Pan-STARRS_discoveries" title="List of Pan-STARRS discoveries">list of Pan-STARRS discoveries</a>.</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title">Pan-STARRS</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:PanSTARRS4c_420.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/en/thumb/2/2c/PanSTARRS4c_420.png/290px-PanSTARRS4c_420.png" decoding="async" width="290" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/2/2c/PanSTARRS4c_420.png 1.5x" data-file-width="379" data-file-height="262" /></a></span><div class="infobox-caption">Pan-STARRS logo</div></td></tr><tr><th scope="row" class="infobox-label">Alternative names</th><td class="infobox-data">Panoramic Survey Telescope and Rapid Response System</td></tr><tr><th scope="row" class="infobox-label">Coordinates</th><td class="infobox-data"><span class="geo-inline"><style data-mw-deduplicate="TemplateStyles:r1156832818">.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}</style><span class="plainlinks nourlexpansion"><a class="external text" href="https://geohack.toolforge.org/geohack.php?pagename=Pan-STARRS&params=20.707318_N_156.25589_W_"><span class="geo-default"><span class="geo-dms" title="Maps, aerial photos, and other data for this location"><span class="latitude">20°42′26″N</span> <span class="longitude">156°15′21″W</span></span></span><span class="geo-multi-punct"> / </span><span class="geo-nondefault"><span class="geo-dec" title="Maps, aerial photos, and other data for this location">20.707318°N 156.25589°W</span><span style="display:none"> / <span class="geo">20.707318; -156.25589</span></span></span></a></span></span> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q1075600#P625" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></td></tr><tr><th scope="row" class="infobox-label">Website</th><td class="infobox-data"><span class="url"><a rel="nofollow" class="external text" href="http://pswww.ifa.hawaii.edu/pswww/">pswww<wbr />.ifa<wbr />.hawaii<wbr />.edu<wbr />/pswww<wbr />/</a></span></td></tr><tr><td colspan="2" class="infobox-full-data"> <span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/12px-Commons-logo.svg.png" decoding="async" width="12" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/18px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/24px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></a></span> <a href="https://commons.wikimedia.org/wiki/Category:Pan-STARRS" class="extiw" title="commons:Category:Pan-STARRS">Related media on Commons</a></td></tr><tr><td colspan="2" class="infobox-below"><div class="metadata" style="text-align: right;">[<a href="https://www.wikidata.org/wiki/Q1075600" class="extiw" title="d:Q1075600">edit on Wikidata</a>]</div></td></tr></tbody></table> <p>The <b>Panoramic Survey Telescope and Rapid Response System</b> (<b>Pan-STARRS1</b>; <a href="/wiki/List_of_observatory_codes" title="List of observatory codes">obs. code</a>: <a href="/wiki/IAU_code#F51" class="mw-redirect" title="IAU code">F51</a> and <b>Pan-STARRS2</b> obs. code: <a href="/wiki/IAU_code#F52" class="mw-redirect" title="IAU code">F52</a>) located at <a href="/wiki/Haleakala_Observatory" class="mw-redirect" title="Haleakala Observatory">Haleakala Observatory</a>, Hawaii, US, consists of astronomical <a href="/wiki/Camera" title="Camera">cameras</a>, <a href="/wiki/Telescope" title="Telescope">telescopes</a> and a computing facility that is <a href="/wiki/Astronomical_survey" title="Astronomical survey">surveying the sky</a> for moving or variable objects on a continual basis, and also producing accurate <a href="/wiki/Astrometry" title="Astrometry">astrometry</a> and <a href="/wiki/Photometry_(astronomy)" title="Photometry (astronomy)">photometry</a> of already-detected objects. In January 2019 the second Pan-STARRS data release was announced. At 1.6 <a href="/wiki/Petabyte" class="mw-redirect" title="Petabyte">petabytes</a>, it is the largest volume of astronomical data ever released. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Description">Description</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pan-STARRS&action=edit&section=1" title="Edit section: Description"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:NEA_by_survey_(1995-2024).svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/NEA_by_survey_%281995-2024%29.svg/220px-NEA_by_survey_%281995-2024%29.svg.png" decoding="async" width="220" height="101" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/NEA_by_survey_%281995-2024%29.svg/330px-NEA_by_survey_%281995-2024%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/NEA_by_survey_%281995-2024%29.svg/440px-NEA_by_survey_%281995-2024%29.svg.png 2x" data-file-width="870" data-file-height="400" /></a><figcaption>Number of <a href="/wiki/Near-Earth_object" title="Near-Earth object">NEOs</a> detected by various projects: <table style="width: 100%; margin-bottom: 8px;"> <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 #333;background-color:#4363D8; 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 #333;background-color:#F58231; 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 #333;background-color:#E6194B; 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 #333;background-color:#FFFF19; 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 #333;background-color:#3CB44B; 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 #333;background-color:#F032E6; color:black;"> </span> <a class="mw-selflink selflink">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:#469990; 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:#42D4F4; 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:#9A6324; color:white;"> </span> Other-US</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:#A9A9A9; color:black;"> </span> Others</span> </td></tr></tbody></table></figcaption></figure> <p>The Pan-STARRS Project is a collaboration between the University of Hawaiʻi <a href="/wiki/Institute_for_Astronomy_(Hawaii)" title="Institute for Astronomy (Hawaii)">Institute for Astronomy</a>, <a href="/wiki/MIT" class="mw-redirect" title="MIT">MIT</a> <a href="/wiki/Lincoln_Laboratory" class="mw-redirect" title="Lincoln Laboratory">Lincoln Laboratory</a>, <a href="/wiki/MHPCC#Maui_High_Performance_Computing_Center_(MHPCC)" class="mw-redirect" title="MHPCC">Maui High Performance Computing Center</a> and <a href="/wiki/Science_Applications_International_Corporation" title="Science Applications International Corporation">Science Applications International Corporation</a>. Telescope construction was funded by the <a href="/wiki/U.S._Air_Force" class="mw-redirect" title="U.S. Air Force">U.S. Air Force</a>. </p><p>By detecting differences from previous observations of the same areas of the sky, Pan-STARRS is discovering many new <a href="/wiki/Asteroid" title="Asteroid">asteroids</a>,<sup id="cite_ref-MPC-Discoverers_1-0" class="reference"><a href="#cite_note-MPC-Discoverers-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Comet" title="Comet">comets</a>, <a href="/wiki/Variable_star" title="Variable star">variable stars</a>, <a href="/wiki/Supernova" title="Supernova">supernovae</a> and other celestial objects. Its primary mission is now to detect <a href="/wiki/Near-Earth_Object" class="mw-redirect" title="Near-Earth Object">Near-Earth Objects</a> that threaten <a href="/wiki/Impact_event" title="Impact event">impact events</a> and it is expected to create a database of all objects visible from Hawaii (three-quarters of the entire sky) down to <a href="/wiki/Apparent_magnitude" title="Apparent magnitude">apparent magnitude</a> 24. Construction of Pan-STARRS was funded in large part by the U.S. <a href="/wiki/Air_Force_Research_Laboratory" title="Air Force Research Laboratory">Air Force Research Laboratory</a>. Additional funding to complete Pan-STARRS2 came from the <a href="/wiki/NASA" title="NASA">NASA</a> <a href="/wiki/Near_Earth_Object" class="mw-redirect" title="Near Earth Object">Near Earth Object</a> Observation Program, which also supplies most of the funding to operate the telescopes. The Pan-STARRS NEO survey searches all the sky north of <a href="/wiki/Declination" title="Declination">declination</a> −47.5.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>The first Pan-STARRS telescope (PS1) is located at the summit of <a href="/wiki/Haleakal%C4%81" title="Haleakalā">Haleakalā</a> on <a href="/wiki/Maui" title="Maui">Maui</a>, <a href="/wiki/Hawaii" title="Hawaii">Hawaii</a>, and went online on 6 December 2008 under the administration of the <a href="/wiki/University_of_Hawai%CA%BBi" title="University of Hawaiʻi">University of Hawaiʻi</a>.<sup id="cite_ref-Economist_3-0" class="reference"><a href="#cite_note-Economist-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-TecRev_4-0" class="reference"><a href="#cite_note-TecRev-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> PS1 began full-time science observations on 13 May 2010<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> and the PS1 Science Mission ran until March 2014. Operations were funded by the PS1 Science Consortium, PS1SC, a consortium including the <a href="/wiki/Max_Planck_Society" title="Max Planck Society">Max Planck Society</a> in Germany, <a href="/wiki/National_Central_University" title="National Central University">National Central University</a> in Taiwan, <a href="/wiki/University_of_Edinburgh" title="University of Edinburgh">Edinburgh</a>, <a href="/wiki/Durham_University" title="Durham University">Durham</a> and <a href="/wiki/Queen%27s_University_Belfast" title="Queen's University Belfast">Queen's Belfast</a> Universities in the UK, and <a href="/wiki/Johns_Hopkins_University" title="Johns Hopkins University">Johns Hopkins</a> and <a href="/wiki/Harvard_University" title="Harvard University">Harvard</a> Universities in the United States and the <a href="/wiki/Las_Cumbres_Observatory_Global_Telescope" class="mw-redirect" title="Las Cumbres Observatory Global Telescope">Las Cumbres Observatory Global Telescope</a> Network. Consortium observations for the all sky (as visible from Hawaii) survey were completed in April 2014. </p><p>Having completed PS1, the Pan-STARRS Project focused on building Pan-STARRS 2 (PS2), for which first light was achieved in 2013, with full science operations scheduled for 2014<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> and then the full array of four telescopes, sometimes called PS4. Completing the array of four telescopes is estimated at a total cost of US$100 million for the entire array.<sup id="cite_ref-Economist_3-1" class="reference"><a href="#cite_note-Economist-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>As of mid-2014, Pan-STARRS 2 was in the process of being commissioned.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> In the wake of substantial funding problems,<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> no clear timeline existed for additional telescopes beyond the second. In March 2018, Pan-STARRS 2 was credited by the <a href="/wiki/Minor_Planet_Center" title="Minor Planet Center">Minor Planet Center</a> for the discovery of the potentially hazardous Apollo asteroid <a href="/wiki/List_of_minor_planets:_515001%E2%80%93516000#767" title="List of minor planets: 515001–516000"><span class="nowrap">(515767) 2015 JA<sub>2</sub></span></a>, its first minor-planet discovery made at Haleakala on 13 May 2015.<sup id="cite_ref-MPC-515767_9-0" class="reference"><a href="#cite_note-MPC-515767-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Instruments">Instruments</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pan-STARRS&action=edit&section=2" title="Edit section: Instruments"><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-More_citations_needed_section plainlinks metadata ambox ambox-content ambox-Refimprove" 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>needs additional citations for <a href="/wiki/Wikipedia:Verifiability" title="Wikipedia:Verifiability">verification</a></b>.<span class="hide-when-compact"> Please help <a href="/wiki/Special:EditPage/Pan-STARRS" title="Special:EditPage/Pan-STARRS">improve this article</a> by <a href="/wiki/Help:Referencing_for_beginners" title="Help:Referencing for beginners">adding citations to reliable sources</a> in this section. Unsourced material may be challenged and removed.</span> <span class="date-container"><i>(<span class="date">March 2020</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>Pan-STARRS currently (2018) consists of two 1.8-m <a href="/wiki/Ritchey%E2%80%93Chr%C3%A9tien_telescope" title="Ritchey–Chrétien telescope">Ritchey–Chrétien telescopes</a> located at <a href="/wiki/Haleakala" class="mw-redirect" title="Haleakala">Haleakala</a> in <a href="/wiki/Hawaii" title="Hawaii">Hawaii</a>. </p><p>The initial telescope, PS1, saw first light using a low-resolution camera in June 2006. The telescope has a 3° field of view, which is extremely large for telescopes of this size, and is equipped with what was the largest digital camera ever built, recording almost 1.4 billion pixels per image. The focal plane has 60 separately mounted close packed CCDs arranged in an 8 × 8 array. The corner positions are not populated, as the optics do not illuminate the corners. Each CCD device, called an Orthogonal Transfer Array (OTA), has 4800 × 4800 pixels, separated into 64 cells, each of 600 × 600 pixels. This gigapixel camera or 'GPC' saw first light on 22 August 2007, imaging the <a href="/wiki/Andromeda_Galaxy" title="Andromeda Galaxy">Andromeda Galaxy</a>. </p><p>After initial technical difficulties that were later mostly solved, PS1 began full operation on 13 May 2010.<sup id="cite_ref-bhandw_10-0" class="reference"><a href="#cite_note-bhandw-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Nick_Kaiser" title="Nick Kaiser">Nick Kaiser</a>, principal investigator of the Pan-STARRS project, summed it up, saying, "PS1 has been taking science-quality data for six months, but now we are doing it dusk-to-dawn every night."<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title=""quote: June 15, 2010" needs a complete cite (March 2020)">citation needed</span></a></i>]</sup> The PS1 images, however, remain slightly less sharp than initially planned, which significantly affects some scientific uses of the data. </p><p>Each image requires about 2 gigabytes of storage and exposure times will be 30 to 60 seconds (enough to record objects down to <a href="/wiki/Apparent_magnitude" title="Apparent magnitude">apparent magnitude</a> 22), with an additional minute or so used for computer processing. Since images are taken on a continuous basis, about 10 terabytes of data are acquired by PS1 every night. Comparing against a database of known unvarying objects compiled from earlier observations will yield objects of interest: anything that has changed brightness and/or position for any reason. As of June 30, 2010, University of Hawaiʻi in Honolulu received an $8.4 million contract modification under the PanSTARRS multi-year program to develop and deploy a telescope data management system for the project.<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>The very large field of view of the telescopes and the relatively short exposure times enable approximately 6000 square degrees of sky to be imaged every night. The entire sky is 4π <a href="/wiki/Steradian" title="Steradian">steradians</a>, or 4π × (180/π)<sup>2</sup> ≈ 41,253.0 square degrees, of which about 30,000 square degrees are visible from Hawaii, which means that the entire sky can be imaged in a period of 40 hours (or about 10 hours per night on four days). Given the need to avoid times when the <a href="/wiki/Moon" title="Moon">Moon</a> is bright, this means that an area equivalent to the entire sky will be surveyed four times a month, which is entirely unprecedented. By the end of its initial three-year mission in April 2014, PS1 had imaged the sky 12 times in each of 5 <a href="/wiki/Astronomical_filter" title="Astronomical filter">filters</a> ('g', 'r', 'i', 'z', and 'y'). Filters 'g', 'r', and 'i' have the bandpasses of the <a href="/wiki/Sloan_Digital_Sky_Survey" title="Sloan Digital Sky Survey">Sloan Digital Sky Survey (SDSS)</a> filters. (Midpoints and bandwidths at half maximum are 464 nm and 128 nm, 658 nm and 138 nm, and 806 nm and 149 nm, respectively.) The'z' filter has the SDSS midpoint (900 nm), but its longwave cutoff avoids water absorptions bands beginning at 930 nm. The shortwave cutoff of the 'y' filter is set by the water absorption bands that end around 960 nm. The longwave cutoff band is currently at 1030 nm to avoid the worst of the detector sensitivity to temperature variations.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Science">Science</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pan-STARRS&action=edit&section=3" title="Edit section: Science"><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:Asteroid-2016HO3-20160427.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Asteroid-2016HO3-20160427.jpg/220px-Asteroid-2016HO3-20160427.jpg" decoding="async" width="220" height="129" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Asteroid-2016HO3-20160427.jpg/330px-Asteroid-2016HO3-20160427.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Asteroid-2016HO3-20160427.jpg/440px-Asteroid-2016HO3-20160427.jpg 2x" data-file-width="1422" data-file-height="834" /></a><figcaption>Asteroid <a href="/wiki/469219_Kamo%CA%BBoalewa" title="469219 Kamoʻoalewa">469219 Kamoʻoalewa</a> has an orbit around the Sun that keeps it as a constant companion of Earth. Credit: NASA/JPL-Caltech</figcaption></figure> <p>Pan-STARRS is currently mostly funded by a grant from the NASA <a href="/wiki/Near_Earth_Object" class="mw-redirect" title="Near Earth Object">Near Earth Object</a> Observations program. It therefore spends 90% of its observing time in dedicated searches for Near Earth Objects. </p><p>Systematically surveying the entire sky on a continuous basis is an unprecedented project and is expected to produce a dramatically larger number of discoveries of various types of celestial objects. For instance, the current leading asteroid discovery survey, the <a href="/wiki/Mount_Lemmon_Survey" title="Mount Lemmon Survey">Mount Lemmon Survey</a>,<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> reaches an <a href="/wiki/Apparent_magnitude" title="Apparent magnitude">apparent magnitude</a> of 22 <a href="/wiki/UBV_photometric_system" title="UBV photometric system">V</a>. Pan-STARRS will go about one magnitude fainter and cover the entire sky visible from Hawaii.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (March 2014)">citation needed</span></a></i>]</sup> The ongoing survey will also complement the efforts to map the infrared sky by the NASA <a href="/wiki/Wide-field_Infrared_Survey_Explorer" title="Wide-field Infrared Survey Explorer">WISE orbital telescope</a>, with the results of one survey complementing and extending the other. </p><p>The second data release, Pan-STARRS DR2, announced in January 2019, is the largest volume of astronomical data ever released. At over 1.6 petabytes of images, it is equivalent to 30,000 times the text content of Wikipedia. The data reside in the <a href="/wiki/Mikulski_Archive_for_Space_Telescopes" title="Mikulski Archive for Space Telescopes">Mikulski Archive for Space Telescopes</a> (MAST).<sup id="cite_ref-Sci_News_15-0" class="reference"><a href="#cite_note-Sci_News-15"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Military_limitations_(until_end_2011)"><span id="Military_limitations_.28until_end_2011.29"></span>Military limitations (until end 2011)</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pan-STARRS&action=edit&section=4" title="Edit section: Military limitations (until end 2011)"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>According to Defense Industry Daily,<sup id="cite_ref-DID-PS-limits_16-0" class="reference"><a href="#cite_note-DID-PS-limits-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> significant limitations were put on the PS1 survey to avoid recording sensitive objects. <a href="/wiki/Streak_detection" class="mw-redirect" title="Streak detection">Streak detection</a> software (known as "Magic") was used to censor pixels containing information about satellites in the image. Early versions of this software were immature, leaving a <a href="/wiki/Fill_factor_(image_sensor)" title="Fill factor (image sensor)">fill factor</a> of 68% of the full field of view (which figure includes gaps between the detectors), but by March 2010 this had improved to 76%, a small reduction from the approximately 80% available.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (January 2022)">citation needed</span></a></i>]</sup> </p><p>At the end of 2011, the USAF completely eliminated the masking requirement (for all images, past and future). Thus, with the exception of a few non-functioning OTA cells, the entire field of view can be used.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (April 2012)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading3"><h3 id="Solar_System">Solar System</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pan-STARRS&action=edit&section=5" title="Edit section: Solar System"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:14060-Asteroid-P2013R3-Disintegration-20140306.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/14060-Asteroid-P2013R3-Disintegration-20140306.jpg/440px-14060-Asteroid-P2013R3-Disintegration-20140306.jpg" decoding="async" width="440" height="587" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/55/14060-Asteroid-P2013R3-Disintegration-20140306.jpg/660px-14060-Asteroid-P2013R3-Disintegration-20140306.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/55/14060-Asteroid-P2013R3-Disintegration-20140306.jpg/880px-14060-Asteroid-P2013R3-Disintegration-20140306.jpg 2x" data-file-width="1125" data-file-height="1500" /></a><figcaption>Disintegration of main-belt comet <a href="/wiki/Main-belt_comet#P/2013_R3" class="mw-redirect" title="Main-belt comet">P/2013 R3</a> observed by the <a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a> (6 March 2014).<sup id="cite_ref-NASA-20140306_17-0" class="reference"><a href="#cite_note-NASA-20140306-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>In addition to the large number of expected discoveries in the <a href="/wiki/Asteroid_belt" title="Asteroid belt">asteroid belt</a>, Pan-STARRS is expected to detect at least 100,000 <a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter trojans</a> (compared to 2900 known as of end-2008); at least 20,000 <a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a> objects (compared to 800 known as of mid-2005); thousands of trojan asteroids of Saturn, Uranus, and Neptune (currently eight <a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune trojans</a> are known,<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> none for Saturn, and one for Uranus<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup>); and large numbers of <a href="/wiki/Centaur_(minor_planet)" class="mw-redirect" title="Centaur (minor planet)">centaurs</a> and <a href="/wiki/Comet" title="Comet">comets</a>. </p><p>Apart from dramatically adding to the number of known Solar System objects, Pan-STARRS will remove or mitigate the observational bias inherent in many current surveys. For instance, among currently known objects there is a bias favoring low orbital <a href="/wiki/Inclination" class="mw-redirect" title="Inclination">inclination</a>, and thus an object such as <a href="/wiki/Makemake" title="Makemake">Makemake</a> escaped detection until recently despite its bright apparent magnitude of 17, which is not much fainter than <a href="/wiki/Pluto" title="Pluto">Pluto</a>. Also, among currently known comets, there is a bias favoring those with short <a href="/wiki/Perihelion" class="mw-redirect" title="Perihelion">perihelion</a> distances. Reducing the effects of this observational bias will enable a more complete picture of Solar System dynamics. For instance, it is expected that the number of Jupiter trojans larger than 1 km may in fact roughly match the number of asteroid-belt objects, although the currently known population of the latter is several orders of magnitude larger. Pan-STARRS data will elegantly complement the WISE (infrared) survey. WISE infrared images will permit an estimate of size for asteroids and trojan objects tracked over longer periods of time by Pan-STARRS. </p><p>In 2017, Pan-STARRS detected the first known <a href="/wiki/Interstellar_comet" class="mw-redirect" title="Interstellar comet">interstellar object</a>, <a href="/wiki/1I/%CA%BBOumuamua" class="mw-redirect" title="1I/ʻOumuamua">1I/2017 U1 'Oumuamua</a>, passing through the Solar System.<sup id="cite_ref-arstechnica_20-0" class="reference"><a href="#cite_note-arstechnica-20"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> During the formation of a planetary system, it is thought that a very large number of objects are ejected due to gravitational interactions with planets (as many as 10<sup>13</sup> such objects in the case of the Solar System). Objects ejected from planetary systems of other stars might plausibly be throughout the Milky Way and some may pass through the Solar System. </p><p>Pan-STARRS may detect collisions involving small asteroids. These are quite rare and none have yet been observed, but with a dramatic increase in the number of asteroids discovered it is expected from statistical considerations that some collision events may be observed. </p><p>In November 2019, a review of images from Pan-STARRS revealed that the telescope had captured the disintegration of asteroid <a href="/wiki/P/2016_G1" class="mw-redirect" title="P/2016 G1">P/2016 G1</a>.<sup id="cite_ref-nytimes2019-11-26_21-0" class="reference"><a href="#cite_note-nytimes2019-11-26-21"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> The 1,300 feet (400 m) asteroid was struck by a smaller object, and gradually fell apart. Astronomers speculate that the object that struck the asteroid may have massed only 1 kilogram (2.2 lb), traveling at 11,000 miles per hour (18,000 km/h). </p> <div class="mw-heading mw-heading3"><h3 id="Beyond_the_Solar_System">Beyond the Solar System</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pan-STARRS&action=edit&section=6" title="Edit section: Beyond the Solar System"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It is expected that Pan-STARRS will discover an extremely large number of <a href="/wiki/Variable_star" title="Variable star">variable stars</a>, including such stars in other nearby <a href="/wiki/Galaxy" title="Galaxy">galaxies</a>; this may lead to the discovery of previously unknown <a href="/wiki/Dwarf_galaxy" title="Dwarf galaxy">dwarf galaxies</a>. In discovering numerous <a href="/wiki/Cepheid_variable" title="Cepheid variable">Cepheid variables</a> and <a href="/wiki/Eclipsing_binary" class="mw-redirect" title="Eclipsing binary">eclipsing binary</a> stars, it will help determine distances to nearby galaxies with greater precision. It is expected to discover many Type Ia <a href="/wiki/Supernova" title="Supernova">supernovae</a> in other galaxies, which are important in studying the effects of <a href="/wiki/Dark_energy" title="Dark energy">dark energy</a>, and also optical afterglows of <a href="/wiki/Gamma_ray_burst" class="mw-redirect" title="Gamma ray burst">gamma ray bursts</a>. </p><p>Because very young stars (such as <a href="/wiki/T_Tauri_star" title="T Tauri star">T Tauri stars</a>) are usually variable, Pan-STARRS should discover many of these and improve our understanding of them. It is also expected that Pan-STARRS may discover many <a href="/wiki/Extrasolar_planet" class="mw-redirect" title="Extrasolar planet">extrasolar planets</a> by observing their <a href="/wiki/Astronomical_transit" title="Astronomical transit">transits</a> across their parent stars, as well as <a href="/wiki/Gravitational_microlensing" title="Gravitational microlensing">gravitational microlensing</a> events. </p><p>Pan-STARRS will also measure <a href="/wiki/Proper_motion" title="Proper motion">proper motion</a> and <a href="/wiki/Parallax" title="Parallax">parallax</a> and should thereby discover many <a href="/wiki/Brown_dwarf" title="Brown dwarf">brown dwarfs</a>, <a href="/wiki/White_dwarf" title="White dwarf">white dwarfs</a>, and other nearby faint objects, and it should be able to conduct a complete census of all stars within 100 <a href="/wiki/Parsec" title="Parsec">parsecs</a> of the <a href="/wiki/Sun" title="Sun">Sun</a>. Prior proper motion and parallax surveys often did not detect faint objects such as the recently discovered <a href="/wiki/Teegarden%27s_star" class="mw-redirect" title="Teegarden's star">Teegarden's star</a>, which are too faint for projects such as <a href="/wiki/Hipparcos" title="Hipparcos">Hipparcos</a>. </p><p>Also, by identifying stars with large parallax but very small proper motion for follow-up <a href="/wiki/Radial_velocity" title="Radial velocity">radial velocity</a> measurements, Pan-STARRS may even be able to permit the detection of hypothetical <a href="/wiki/Nemesis_(hypothetical_star)" title="Nemesis (hypothetical star)">Nemesis</a>-type objects if these actually exist. </p> <div class="mw-heading mw-heading3"><h3 id="Selected_discoveries">Selected discoveries</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Pan-STARRS&action=edit&section=7" title="Edit section: Selected discoveries"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <table class="wikitable sortable"> <tbody><tr> <th>Designation</th> <th>Reported /<br />Discovered</th> <th class="unsortable">Comments</th> <th> </th></tr> <tr> <td><span class="nowrap">2010 ST<sub>3</sub></span></td> <td><span data-sort-value="000000002010-09-16-0000" style="white-space:nowrap">16 September 2010</span></td> <td>this <a href="/wiki/Near-Earth_object#Near-Earth_asteroids" title="Near-Earth object">NEA</a>, which at the time of discovery had a very slight possibility of colliding with Earth in 2098, was discovered by Pan-STARRS on 16 September 2010. This is the first NEA to be discovered by the Pan-STARRS program. The object is 30–65 meters across,<sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-23" class="reference"><a href="#cite_note-23"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> similar to the <a href="/wiki/Tunguska_event" title="Tunguska event">Tunguska impactor</a> that hit Russia in 1908. It passed within about 6 million kilometers of Earth in mid-October 2010.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup></td> <td>01 </td></tr> <tr> <td><span class="nowrap"><a href="/wiki/2012_GX17" title="2012 GX17">2012 GX<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">17</span></span></a></span></td> <td><span data-sort-value="000000002012-04-14-0000" style="white-space:nowrap">14 April 2012</span></td> <td>this faint ~22nd-magnitude object was initially considered a promising <a href="/wiki/Neptune" title="Neptune">Neptune</a> <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>5</sub></a> <a href="/wiki/Trojan_(astronomy)" class="mw-redirect" title="Trojan (astronomy)">trojan</a> candidate.<sup id="cite_ref-coorbital_25-0" class="reference"><a href="#cite_note-coorbital-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup></td> <td>02 </td></tr> <tr> <td><span class="nowrap"><a href="/wiki/2013_ND15" title="2013 ND15">2013 ND<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">15</span></span></a></span></td> <td><span data-sort-value="000000002013-07-13-0000" style="white-space:nowrap">13 July 2013</span></td> <td>this object is probably the first known <a href="/wiki/Venus" title="Venus">Venus</a> <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>4</sub></a> <a href="/wiki/Trojan_(astronomy)" class="mw-redirect" title="Trojan (astronomy)">trojan</a>.<sup id="cite_ref-Venus_trojan_26-0" class="reference"><a href="#cite_note-Venus_trojan-26"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup></td> <td>03 </td></tr> <tr> <td><a href="/wiki/C/2011_L4" class="mw-redirect" title="C/2011 L4">C/2011 L4</a></td> <td><span data-sort-value="000000002011-06-06-0000" style="white-space:nowrap">6 June 2011</span></td> <td>astronomers at the University of Hawaiʻi using the Pan-STARRS Telescope discovered comet C/2011 L4 in June 2011. At the time of discovery it was about 1.2 billion kilometers from the Sun, placing it beyond the orbit of Jupiter. The comet became visible to the naked eye when it was near perihelion in March 2013. It most likely originated in the <a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a>, a cloud of comet-like objects located in the distant outer Solar System. It was probably gravitationally disturbed by a distant passing star, sending it on a long journey toward the Sun.<sup id="cite_ref-Hawaii_27-0" class="reference"><a href="#cite_note-Hawaii-27"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-MPEC2011-L33_28-0" class="reference"><a href="#cite_note-MPEC2011-L33-28"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup></td> <td>04 </td></tr> <tr> <td><a href="/w/index.php?title=PS1-10afx&action=edit&redlink=1" class="new" title="PS1-10afx (page does not exist)">PS1-10afx</a></td> <td><span data-sort-value="000000002010-08-31-0000" style="white-space:nowrap">31 August 2010</span></td> <td>a unique hydrogen-deficient superluminous supernova (SLSN) at redshift z = 1.388. Discovered first in MDS imaging on 31 August 2010.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> The overluminosity was later found to be the result of gravitational lensing.<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup></td> <td>05 </td></tr> <tr> <td><a href="/w/index.php?title=PS1-10jh&action=edit&redlink=1" class="new" title="PS1-10jh (page does not exist)">PS1-10jh</a></td> <td><span data-sort-value="000000002010-05-31-0000" style="white-space:nowrap">31 May 2010</span></td> <td>the tidal disruption of a star by a supermassive black hole.<sup id="cite_ref-31" class="reference"><a href="#cite_note-31"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup></td> <td>06 </td></tr> <tr> <td><a href="/w/index.php?title=P/2010_T2&action=edit&redlink=1" class="new" title="P/2010 T2 (page does not exist)">P/2010 T2</a></td> <td><span data-sort-value="000000002010-10-16-0000" style="white-space:nowrap">16 October 2010</span></td> <td>this faint ~20th-magnitude object is the first comet to be discovered by the Pan-STARRS program. Even at perihelion in the summer of 2011 at 3.73 AU it will only be magnitude 19.5. It has an orbital period of 13.2 years and is a member of the short-period Jupiter family of comets.<sup id="cite_ref-32" class="reference"><a href="#cite_note-32"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-33" class="reference"><a href="#cite_note-33"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup></td> <td>07 </td></tr> <tr> <td><a href="/w/index.php?title=P/2012_B1&action=edit&redlink=1" class="new" title="P/2012 B1 (page does not exist)">P/2012 B1</a></td> <td><span data-sort-value="000000002012-01-25-0000" style="white-space:nowrap">25 January 2012</span></td> <td>a Pan-STARRS discovery<sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-35" class="reference"><a href="#cite_note-35"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup></td> <td>08 </td></tr> <tr> <td><a href="/w/index.php?title=P/2012_T1&action=edit&redlink=1" class="new" title="P/2012 T1 (page does not exist)">P/2012 T1</a></td> <td><span data-sort-value="000000002012-10-06-0000" style="white-space:nowrap">6 October 2012</span></td> <td>a Pan-STARRS discovery, is one of the very few known <a href="/wiki/Main-belt_comets" class="mw-redirect" title="Main-belt comets">main-belt comets</a>.<sup id="cite_ref-paper_36-0" class="reference"><a href="#cite_note-paper-36"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup></td> <td>09 </td></tr> <tr> <td><a href="/w/index.php?title=C/2013_P2&action=edit&redlink=1" class="new" title="C/2013 P2 (page does not exist)">C/2013 P2</a></td> <td><span data-sort-value="000000002013-08-04-0000" style="white-space:nowrap">4 August 2013</span></td> <td>a Pan-STARRS discovery, <a href="/wiki/Manx_Comet" class="mw-redirect" title="Manx Comet">Manx Comet</a> from <a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a>, orbital period greater than 51 million years.<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup></td> <td>10 </td></tr> <tr> <td><a href="/wiki/Main-belt_comet#P/2013_R3" class="mw-redirect" title="Main-belt comet">P/2013 R3</a></td> <td><span data-sort-value="000000002013-09-15-0000" style="white-space:nowrap">15 September 2013</span></td> <td>a Pan-STARRS discovery, disintegration observed by the <a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a>.<sup id="cite_ref-NASA-20140306_17-1" class="reference"><a href="#cite_note-NASA-20140306-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup></td> <td>11 </td></tr> <tr> <td><a href="/w/index.php?title=C/2014_S3&action=edit&redlink=1" class="new" title="C/2014 S3 (page does not exist)">C/2014 S3</a></td> <td><span data-sort-value="000000002014-09-22-0000" style="white-space:nowrap">22 September 2014</span></td> <td>a rocky comet (<a href="/wiki/PANSTARRS" class="mw-redirect" title="PANSTARRS">PANSTARRS</a>).<sup id="cite_ref-38" class="reference"><a href="#cite_note-38"><span class="cite-bracket">[</span>37<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>38<span class="cite-bracket">]</span></a></sup></td> <td>12 </td></tr> <tr> <td><span class="nowrap"><a href="/wiki/2014_YX49" class="mw-redirect" title="2014 YX49">2014 YX<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">49</span></span></a></span></td> <td><span data-sort-value="000000002014-12-26-0000" style="white-space:nowrap">26 December 2014</span><sup id="cite_ref-40" class="reference"><a href="#cite_note-40"><span class="cite-bracket">[</span>39<span class="cite-bracket">]</span></a></sup></td> <td>a <a href="/wiki/Trojan_(astronomy)" class="mw-redirect" title="Trojan (astronomy)">Trojan</a> of <a href="/wiki/Uranus" title="Uranus">Uranus</a>, the second one ever announced.<sup id="cite_ref-announcement2014YX49_41-0" class="reference"><a href="#cite_note-announcement2014YX49-41"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup></td> <td>13 </td></tr> <tr> <td><a href="/wiki/SN_2008D" title="SN 2008D">SN 2008id</a></td> <td><span data-sort-value="000000002008-11-03-0000" style="white-space:nowrap">3 November 2008</span></td> <td>a type Ia <a href="/wiki/Supernova" title="Supernova">supernova</a>, confirmed by <a href="/wiki/W._M._Keck_Observatory" title="W. M. Keck Observatory">Keck observatory</a> via <a href="/wiki/Redshift" title="Redshift">redshift</a>.<sup id="cite_ref-42" class="reference"><a href="#cite_note-42"><span class="cite-bracket">[</span>41<span class="cite-bracket">]</span></a></sup></td> <td>14 </td></tr> <tr> <td><a href="/wiki/469219_Kamo%CA%BBoalewa" title="469219 Kamoʻoalewa">469219 Kamoʻoalewa</a></td> <td><span data-sort-value="000000002016-04-27-0000" style="white-space:nowrap">27 April 2016</span></td> <td>possibly the most stable <a href="/wiki/Quasi-satellite" title="Quasi-satellite">quasi-satellite</a> of <a href="/wiki/Earth" title="Earth">Earth</a>.<sup id="cite_ref-2016HO3_43-0" class="reference"><a href="#cite_note-2016HO3-43"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-44" class="reference"><a href="#cite_note-44"><span class="cite-bracket">[</span>43<span class="cite-bracket">]</span></a></sup></td> <td>15 </td></tr> <tr> <td><span class="nowrap"><a href="/w/index.php?title=2016_UR36&action=edit&redlink=1" class="new" title="2016 UR36 (page does not exist)">2016 UR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">36</span></span></a></span></td> <td><span data-sort-value="000000002016-10-25-0000" style="white-space:nowrap">25 October 2016</span></td> <td>a NEO –  seen 5 days out.<sup id="cite_ref-45" class="reference"><a href="#cite_note-45"><span class="cite-bracket">[</span>44<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-46" class="reference"><a href="#cite_note-46"><span class="cite-bracket">[</span>45<span class="cite-bracket">]</span></a></sup></td> <td>16 </td></tr> <tr> <td><a href="/wiki/C/2017_K2" class="mw-redirect" title="C/2017 K2">C/2017 K2</a></td> <td><span data-sort-value="000000002017-05-21-0000" style="white-space:nowrap">21 May 2017</span></td> <td>a new comet with a hyperbolic orbit and escape velocity.<sup id="cite_ref-47" class="reference"><a href="#cite_note-47"><span class="cite-bracket">[</span>46<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-48" class="reference"><a href="#cite_note-48"><span class="cite-bracket">[</span>47<span class="cite-bracket">]</span></a></sup></td> <td>17 </td></tr> <tr> <td><span class="nowrap"><a href="/wiki/1I/%CA%BBOumuamua" class="mw-redirect" title="1I/ʻOumuamua">1I/2017 U1 'Oumuamua</a></span></td> <td><span data-sort-value="000000002017-10-19-0000" style="white-space:nowrap">19 October 2017</span></td> <td>the first observation of an interstellar object.<sup id="cite_ref-arstechnica_20-1" class="reference"><a href="#cite_note-arstechnica-20"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></td> <td>18 </td></tr> <tr> <td><a href="/wiki/List_of_minor_planets:_515001%E2%80%93516000#767" title="List of minor planets: 515001–516000"><span class="nowrap">(515767) 2015 JA<sub>2</sub></span></a></td> <td><span data-sort-value="000000002018-03-31-0000" style="white-space:nowrap">31 March 2018</span></td> <td>Pan-STARRS 2 (PS2) first minor-planet discovery (made on 13 May 2015) credited by the <a href="/wiki/Minor_Planet_Center" title="Minor Planet Center">Minor Planet Center</a> on numbering in March 2018.<sup id="cite_ref-MPC-515767_9-1" class="reference"><a href="#cite_note-MPC-515767-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></td> <td>19 </td></tr> <tr> <td><a href="/wiki/P/2016_G1" class="mw-redirect" title="P/2016 G1">P/2016 G1</a></td> <td><span data-sort-value="000000002016-03-06-0000" style="white-space:nowrap">6 March 2016</span></td> <td>first observed disintegration of an asteroid, following a collision.<sup id="cite_ref-nytimes2019-11-26_21-1" class="reference"><a href="#cite_note-nytimes2019-11-26-21"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup></td> <td>20 </td></tr> <tr> <td><span class="nowrap"><a href="/wiki/2020_MK4" class="mw-redirect" title="2020 MK4">2020 MK<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></td> <td><span data-sort-value="000000002020-06-24-0000" style="white-space:nowrap">24 June 2020</span></td> <td>Centaur</td> <td>21 </td></tr> <tr> <td><span class="nowrap"><a href="/wiki/2023_FW13" title="2023 FW13">2023 FW13</a></span></td> <td><span data-sort-value="000000002023-03-28-0000" style="white-space:nowrap">28 March 2023</span></td> <td>A <a href="/wiki/Quasi-satellite" title="Quasi-satellite">quasi-satellite</a> of Earth, potentially even more stable than <a href="/wiki/469219_Kamo%CA%BBoalewa" title="469219 Kamoʻoalewa">469219 Kamoʻoalewa</a> above.<sup id="cite_ref-49" class="reference"><a href="#cite_note-49"><span class="cite-bracket">[</span>48<span class="cite-bracket">]</span></a></sup></td> <td>22 </td></tr></tbody></table> <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=Pan-STARRS&action=edit&section=8" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/C/2014_G3" class="mw-redirect" title="C/2014 G3">C/2014 G3</a></li> <li><a href="/wiki/Vera_C._Rubin_Observatory" title="Vera C. Rubin Observatory">Vera C. Rubin Observatory</a></li> <li><a href="/wiki/List_of_near-Earth_object_observation_projects" title="List of near-Earth object observation projects">List of near-Earth object observation projects</a></li> <li><a href="/wiki/Zwicky_Transient_Facility" title="Zwicky Transient Facility">Zwicky Transient Facility</a></li></ul> <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=Pan-STARRS&action=edit&section=9" 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-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text">Mt. Lemmon Survey (G96) is a part of <a href="/wiki/Catalina_Sky_Survey" title="Catalina Sky Survey">Catalina Sky Survey</a>, another two parts are <a href="/wiki/Siding_Spring_Survey" title="Siding Spring Survey">Siding Spring Survey</a> (E12) and Catalina Sky Survey (703) itself.</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=Pan-STARRS&action=edit&section=10" 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 reflist-columns references-column-width" style="column-width: 30em ;"> <ol class="references"> <li id="cite_note-MPC-Discoverers-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-MPC-Discoverers_1-0">^</a></b></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 class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/iau/lists/MPDiscsNum.html">"Minor Planet Discoverers (by number)"</a>. <a href="/wiki/IAU_Minor_Planet_Center" class="mw-redirect" title="IAU Minor Planet Center">IAU Minor Planet Center</a>. 12 March 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">28 March</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Minor+Planet+Discoverers+%28by+number%29&rft.pub=IAU+Minor+Planet+Center&rft.date=2017-03-12&rft_id=http%3A%2F%2Fwww.minorplanetcenter.net%2Fiau%2Flists%2FMPDiscsNum.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3APan-STARRS" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMichele_Bannister2014" class="citation web cs1">Michele Bannister [@astrokiwi] (30 June 2014). <a rel="nofollow" class="external text" href="https://x.com/astrokiwi/status/483572110179459073">"Don't have a clue were the "title" is in a tweet, BUT it is a required parameter for the citation!"</a> (<a href="/wiki/Tweet_(social_media)" title="Tweet (social media)">Tweet</a>)<span class="reference-accessdate">. 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Retrieved <span class="nowrap">6 December</span> 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Economist&rft.atitle=Watching+and+waiting&rft.date=2008-12-04&rft_id=http%3A%2F%2Fwww.economist.com%2Fscience%2Fdisplaystory.cfm%3Fstory_id%3D12719347&rfr_id=info%3Asid%2Fen.wikipedia.org%3APan-STARRS" class="Z3988"></span></span> </li> <li id="cite_note-TecRev-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-TecRev_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRobert_Lemos2008" class="citation web cs1">Robert Lemos (24 November 2008). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20111229141015/http://www.technologyreview.com/computing/21705/page1/">"Giant Camera Tracks Asteroids"</a>. <i><a href="/wiki/MIT" class="mw-redirect" title="MIT">MIT</a> Technology Review</i>. 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Retrieved <span class="nowrap">1 May</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Pan-STARRS+1+Telescope+Begins+Science+Mission&rft.pub=University+of+Hawai%CA%BBi&rft.date=2010-06-16&rft_id=http%3A%2F%2Fwww.ifa.hawaii.edu%2Finfo%2Fpress-releases%2FPS1%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3APan-STARRS" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFWen-Ping_Chen2013" class="citation web cs1">Wen-Ping Chen (16 October 2013). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20140427010400/http://events.asiaa.sinica.edu.tw/meeting/20131014/talk/2013101610_Talk_Wen-PingChen.pdf">"Current Status of the Pan-STARRS Project and Beyond"</a> <span class="cs1-format">(PDF)</span>. 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NS 2006</a></li> <li><a rel="nofollow" class="external text" href="https://www.newscientist.com/article/dn12588-worlds-biggest-digital-camera-to-join-asteroid-search.html">World's biggest digital camera to join asteroid search</a></li> <li><a rel="nofollow" class="external text" href="https://www.newscientist.com/article/mg20126932.200-is-there-a-planet-x.html">Is there a Planet X?</a></li> <li><a rel="nofollow" class="external text" href="http://web.mit.edu/newsoffice/2008/panstarrs-1117.html">Early warning of dangerous asteroids and comets</a></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline 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.navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Comets" title="Template:Comets"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Comets" title="Template talk:Comets"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Comets" title="Special:EditPage/Template:Comets"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Comets" style="font-size:114%;margin:0 4em"><a href="/wiki/Comet" title="Comet">Comets</a></div></th></tr><tr><td colspan="2" class="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%;text-align: center;">Features</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/Comet_nucleus" title="Comet nucleus">Nucleus</a></li> <li><a href="/wiki/Coma_(cometary)" class="mw-redirect" title="Coma (cometary)">Coma</a></li> <li><a href="/wiki/Comet_tail" title="Comet tail">Tails</a></li> <li><a href="/wiki/Antitail" class="mw-redirect" title="Antitail">Antitail</a></li> <li><a href="/wiki/Comet_dust" title="Comet dust">Comet dust</a></li> <li><a href="/wiki/Meteor_shower" title="Meteor shower">Meteor shower</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="6" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Hyakutake_Color.jpg" class="mw-file-description" title="Comet C/1996 B2 (Hyakutake)"><img alt="Comet C/1996 B2 (Hyakutake)" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Hyakutake_Color.jpg/100px-Hyakutake_Color.jpg" decoding="async" width="100" height="75" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Hyakutake_Color.jpg/150px-Hyakutake_Color.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Hyakutake_Color.jpg/200px-Hyakutake_Color.jpg 2x" data-file-width="1500" data-file-height="1125" /></a></span><br /><span typeof="mw:File"><a href="/wiki/File:67P_Churyumov-Gerasimenko_-_Rosetta_(32755885495).png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png/100px-67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png/150px-67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png/200px-67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png 2x" data-file-width="3200" data-file-height="3200" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Comet#Orbital_characteristics" title="Comet">Types</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/List_of_periodic_comets" title="List of periodic comets">Periodic</a> <ul><li><a href="/wiki/List_of_numbered_comets" title="List of numbered comets">Numbered</a></li> <li><a href="/wiki/Lost_comet" title="Lost comet">Lost</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/List_of_Halley-type_comets" title="List of Halley-type comets">Halley-type</a></li> <li><a href="/wiki/Jupiter-family_comet" class="mw-redirect" title="Jupiter-family comet">Jupiter-family</a></li> <li><a href="/wiki/Category:Encke-type_comets" title="Category:Encke-type comets">Encke-type</a></li> <li><a href="/wiki/Active_asteroid" title="Active asteroid">Main-belt</a></li></ul></li> <li><a href="/wiki/List_of_non-periodic_comets" class="mw-redirect" title="List of non-periodic comets">Non-periodic</a> <ul><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_hyperbolic_comets" title="List of hyperbolic comets">Hyperbolic</a></li> <li><a href="/wiki/List_of_comets_with_no_meaningful_orbit" title="List of comets with no meaningful orbit">Unknown-orbit</a></li></ul></li> <li><a href="/wiki/Great_comet" title="Great comet">Great Comet</a></li> <li><a href="/wiki/Sungrazing_comet" title="Sungrazing comet">Sungrazing</a> (<a href="/wiki/Kreutz_sungrazer" title="Kreutz sungrazer">Kreutz</a>)</li> <li><a href="/wiki/Extinct_comet" title="Extinct comet">Extinct</a></li> <li><a href="/wiki/Exocomet" title="Exocomet">Exocomet</a></li> <li><a href="/wiki/Interstellar_object" title="Interstellar object">Interstellar</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-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Naming_of_comets" title="Naming of comets">Naming of comets</a></li> <li><a href="/wiki/Observational_history_of_comets" title="Observational history of comets">Observational history of comets</a></li> <li><a href="/wiki/Centaur_(minor_planet)#Similarities_to_comets" class="mw-redirect" title="Centaur (minor planet)">Centaur</a></li> <li><a href="/wiki/Category:Discoverers_of_comets" title="Category:Discoverers of comets">Comet discoverers</a> <ul><li><a href="/wiki/List_of_comets_discovered_by_the_LINEAR_project" title="List of comets discovered by the LINEAR project">LINEAR</a></li></ul></li> <li><a href="/wiki/Extraterrestrial_atmosphere" title="Extraterrestrial atmosphere">Extraterrestrial atmosphere</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li> <li><a href="/wiki/Small_Solar_System_body" title="Small Solar System body">Small Solar System body</a></li> <li><a href="/wiki/Asteroid" title="Asteroid">Asteroid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Exploration</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/List_of_missions_to_comets" title="List of missions to comets">List of missions to comets</a></li> <li><a href="/wiki/List_of_comets_visited_by_spacecraft" class="mw-redirect" title="List of comets visited by spacecraft">List of comets visited by spacecraft</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Latest</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/C/2024_S1_(ATLAS)" title="C/2024 S1 (ATLAS)">C/2024 S1 (ATLAS)</a></li> <li><a href="/wiki/C/2023_P1_(Nishimura)" title="C/2023 P1 (Nishimura)">C/2023 P1 (Nishimura)</a></li> <li><a href="/wiki/C/2023_H2_(Lemmon)" title="C/2023 H2 (Lemmon)">C/2023 H2 (Lemmon)</a></li> <li><a href="/wiki/C/2023_E1_(ATLAS)" title="C/2023 E1 (ATLAS)">C/2023 E1 (ATLAS)</a></li> <li><a href="/wiki/C/2023_A3_(Tsuchinshan%E2%80%93ATLAS)" title="C/2023 A3 (Tsuchinshan–ATLAS)">C/2023 A3 (Tsuchinshan–ATLAS)</a></li> <li><a href="/wiki/C/2022_E3_(ZTF)" title="C/2022 E3 (ZTF)">C/2022 E3 (ZTF)</a></li> <li><a href="/wiki/C/2021_O3_(PanSTARRS)" title="C/2021 O3 (PanSTARRS)">C/2021 O3 (PanSTARRS)</a></li> <li><a href="/wiki/C/2021_J1_(Maury-Attard)" title="C/2021 J1 (Maury-Attard)">C/2021 J1 (Maury-Attard)</a></li> <li><a href="/wiki/C/2021_A1_(Leonard)" title="C/2021 A1 (Leonard)">C/2021 A1 (Leonard)</a></li> <li><a href="/wiki/C/2020_F8_(SWAN)" title="C/2020 F8 (SWAN)">C/2020 F8 (SWAN)</a></li> <li><a href="/wiki/C/2020_F5_(MASTER)" title="C/2020 F5 (MASTER)">C/2020 F5 (MASTER)</a></li> <li><a href="/wiki/Comet_NEOWISE" title="Comet NEOWISE">C/2020 F3 (NEOWISE)</a></li> <li><a href="/wiki/C/2019_Y4_(ATLAS)" title="C/2019 Y4 (ATLAS)">C/2019 Y4 (ATLAS)</a></li> <li><a href="/wiki/C/2019_Y1_(ATLAS)" title="C/2019 Y1 (ATLAS)">C/2019 Y1 (ATLAS)</a></li> <li><a href="/wiki/C/2019_U6_(Lemmon)" title="C/2019 U6 (Lemmon)">C/2019 U6 (Lemmon)</a></li> <li><a href="/wiki/2I/Borisov" title="2I/Borisov">2I/Borisov</a></li> <li><a href="/wiki/P/2019_LD2_(ATLAS)" title="P/2019 LD2 (ATLAS)">P/2019 LD2 (ATLAS)</a></li> <li><a href="/wiki/C/2018_Y1_(Iwamoto)" title="C/2018 Y1 (Iwamoto)">C/2018 Y1 (Iwamoto)</a></li> <li><a href="/wiki/C/2018_C2_(Lemmon)" title="C/2018 C2 (Lemmon)">C/2018 C2 (Lemmon)</a></li> <li><a href="/wiki/C/2017_U7" class="mw-redirect" title="C/2017 U7">C/2017 U7</a></li> <li><a href="/wiki/C/2017_K2_(PanSTARRS)" title="C/2017 K2 (PanSTARRS)">C/2017 K2 (PanSTARRS)</a></li> <li><a href="/wiki/C/2016_U1_(NEOWISE)" title="C/2016 U1 (NEOWISE)">C/2016 U1 (NEOWISE)</a></li> <li><a href="/wiki/C/2015_V2_(Johnson)" title="C/2015 V2 (Johnson)">C/2015 V2 (Johnson)</a></li> <li><a href="/wiki/C/2015_G2_(MASTER)" title="C/2015 G2 (MASTER)">C/2015 G2 (MASTER)</a></li> <li><a href="/wiki/C/2015_ER61_(PanSTARRS)" title="C/2015 ER61 (PanSTARRS)">C/2015 ER61 (PanSTARRS)</a></li> <li><a href="/wiki/C/2014_UN271_(Bernardinelli%E2%80%93Bernstein)" title="C/2014 UN271 (Bernardinelli–Bernstein)">C/2014 UN<sub>271</sub> (Bernardinelli–Bernstein)</a></li> <li><a href="/wiki/C/2014_Q2_(Lovejoy)" title="C/2014 Q2 (Lovejoy)">C/2014 Q2 (Lovejoy)</a></li> <li><a href="/wiki/C/2014_Q1_(PanSTARRS)" title="C/2014 Q1 (PanSTARRS)">C/2014 Q1 (PanSTARRS)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Culture and<br />speculation</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/Antimatter_comet" title="Antimatter comet">Antimatter comet</a></li> <li><a href="/wiki/Comets_in_fiction" title="Comets in fiction">Comets in fiction</a></li> <li><a href="/wiki/Comet_vintages" title="Comet vintages">Comet vintages</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align: center;"><div id="Lists_of_comets_(more)" style="font-size:114%;margin:0 4em"><a href="/wiki/Lists_of_comets" title="Lists of comets">Lists of comets</a> (<a href="/wiki/Category:Lists_of_comets" title="Category:Lists of comets">more</a>)</div></th></tr><tr><td colspan="2" class="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%;text-align: center;"><a href="/wiki/List_of_numbered_comets" title="List of numbered comets">Periodic<br />comets</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%;text-align: center;">Until 1985<br />(all)</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/Halley%27s_Comet" title="Halley's Comet">1P/Halley</a></li> <li><a href="/wiki/Comet_Encke" title="Comet Encke">2P/Encke</a></li> <li><a href="/wiki/Biela%27s_Comet" title="Biela's Comet">3D/Biela</a></li> <li><a href="/wiki/4P/Faye" title="4P/Faye">4P/Faye</a></li> <li><a href="/wiki/5D/Brorsen" title="5D/Brorsen">5D/Brorsen</a></li> <li><a href="/wiki/6P/d%27Arrest" title="6P/d'Arrest">6P/d'Arrest</a></li> <li><a href="/wiki/7P/Pons%E2%80%93Winnecke" title="7P/Pons–Winnecke">7P/Pons–Winnecke</a></li> <li><a href="/wiki/8P/Tuttle" title="8P/Tuttle">8P/Tuttle</a></li> <li><a href="/wiki/Tempel_1" title="Tempel 1">9P/Tempel</a></li> <li><a href="/wiki/10P/Tempel" title="10P/Tempel">10P/Tempel</a></li> <li><a href="/wiki/11P/Tempel%E2%80%93Swift%E2%80%93LINEAR" title="11P/Tempel–Swift–LINEAR">11P/Tempel–Swift–LINEAR</a></li> <li><a href="/wiki/12P/Pons%E2%80%93Brooks" title="12P/Pons–Brooks">12P/Pons–Brooks</a></li> <li><a href="/wiki/13P/Olbers" title="13P/Olbers">13P/Olbers</a></li> <li><a href="/wiki/14P/Wolf" title="14P/Wolf">14P/Wolf</a></li> <li><a href="/wiki/15P/Finlay" title="15P/Finlay">15P/Finlay</a></li> <li><a href="/wiki/16P/Brooks" title="16P/Brooks">16P/Brooks</a></li> <li><a href="/wiki/Comet_Holmes" title="Comet Holmes">17P/Holmes</a></li> <li><a href="/wiki/18D/Perrine%E2%80%93Mrkos" title="18D/Perrine–Mrkos">18D/Perrine–Mrkos</a></li> <li><a href="/wiki/19P/Borrelly" title="19P/Borrelly">19P/Borrelly</a></li> <li><a href="/wiki/20D/Westphal" title="20D/Westphal">20D/Westphal</a></li> <li><a href="/wiki/21P/Giacobini%E2%80%93Zinner" title="21P/Giacobini–Zinner">21P/Giacobini–Zinner</a></li> <li><a href="/wiki/22P/Kopff" title="22P/Kopff">22P/Kopff</a></li> <li><a href="/wiki/23P/Brorsen%E2%80%93Metcalf" title="23P/Brorsen–Metcalf">23P/Brorsen–Metcalf</a></li> <li><a href="/wiki/24P/Schaumasse" title="24P/Schaumasse">24P/Schaumasse</a></li> <li><a href="/wiki/25D/Neujmin" title="25D/Neujmin">25D/Neujmin</a></li> <li><a href="/wiki/26P/Grigg%E2%80%93Skjellerup" title="26P/Grigg–Skjellerup">26P/Grigg–Skjellerup</a></li> <li><a href="/wiki/27P/Crommelin" title="27P/Crommelin">27P/Crommelin</a></li> <li><a href="/wiki/28P/Neujmin" title="28P/Neujmin">28P/Neujmin</a></li> <li><a href="/wiki/29P/Schwassmann%E2%80%93Wachmann" title="29P/Schwassmann–Wachmann">29P/Schwassmann–Wachmann</a></li> <li><a href="/wiki/30P/Reinmuth" title="30P/Reinmuth">30P/Reinmuth</a></li> <li><a href="/wiki/31P/Schwassmann%E2%80%93Wachmann" title="31P/Schwassmann–Wachmann">31P/Schwassmann–Wachmann</a></li> <li><a href="/wiki/32P/Comas_Sol%C3%A0" title="32P/Comas Solà">32P/Comas Solà</a></li> <li><a href="/wiki/33P/Daniel" title="33P/Daniel">33P/Daniel</a></li> <li><a href="/wiki/34D/Gale" title="34D/Gale">34D/Gale</a></li> <li><a href="/wiki/35P/Herschel%E2%80%93Rigollet" title="35P/Herschel–Rigollet">35P/Herschel–Rigollet</a></li> <li><a href="/wiki/36P/Whipple" title="36P/Whipple">36P/Whipple</a></li> <li><a href="/wiki/37P/Forbes" title="37P/Forbes">37P/Forbes</a></li> <li><a href="/wiki/38P/Stephan%E2%80%93Oterma" title="38P/Stephan–Oterma">38P/Stephan–Oterma</a></li> <li><a href="/wiki/39P/Oterma" title="39P/Oterma">39P/Oterma</a></li> <li><a href="/wiki/40P/V%C3%A4is%C3%A4l%C3%A4" title="40P/Väisälä">40P/Väisälä</a></li> <li><a href="/wiki/41P/Tuttle%E2%80%93Giacobini%E2%80%93Kres%C3%A1k" title="41P/Tuttle–Giacobini–Kresák">41P/Tuttle–Giacobini–Kresák</a></li> <li><a href="/wiki/42P/Neujmin" title="42P/Neujmin">42P/Neujmin</a></li> <li><a href="/wiki/43P/Wolf%E2%80%93Harrington" title="43P/Wolf–Harrington">43P/Wolf–Harrington</a></li> <li><a href="/wiki/44P/Reinmuth" title="44P/Reinmuth">44P/Reinmuth</a></li> <li><a href="/wiki/45P/Honda%E2%80%93Mrkos%E2%80%93Pajdu%C5%A1%C3%A1kov%C3%A1" title="45P/Honda–Mrkos–Pajdušáková">45P/Honda–Mrkos–Pajdušáková</a></li> <li><a href="/wiki/46P/Wirtanen" title="46P/Wirtanen">46P/Wirtanen</a></li> <li><a href="/wiki/47P/Ashbrook%E2%80%93Jackson" title="47P/Ashbrook–Jackson">47P/Ashbrook–Jackson</a></li> <li><a href="/wiki/48P/Johnson" title="48P/Johnson">48P/Johnson</a></li> <li><a href="/wiki/49P/Arend%E2%80%93Rigaux" title="49P/Arend–Rigaux">49P/Arend–Rigaux</a></li> <li><a href="/wiki/50P/Arend" title="50P/Arend">50P/Arend</a></li> <li><a href="/wiki/51P/Harrington" title="51P/Harrington">51P/Harrington</a></li> <li><a href="/wiki/52P/Harrington%E2%80%93Abell" title="52P/Harrington–Abell">52P/Harrington–Abell</a></li> <li><a href="/wiki/53P/Van_Biesbroeck" title="53P/Van Biesbroeck">53P/Van Biesbroeck</a></li> <li><a href="/wiki/54P/de_Vico%E2%80%93Swift%E2%80%93NEAT" title="54P/de Vico–Swift–NEAT">54P/de Vico–Swift–NEAT</a></li> <li><a href="/wiki/55P/Tempel%E2%80%93Tuttle" title="55P/Tempel–Tuttle">55P/Tempel–Tuttle</a></li> <li><a href="/wiki/56P/Slaughter%E2%80%93Burnham" title="56P/Slaughter–Burnham">56P/Slaughter–Burnham</a></li> <li><a href="/wiki/57P/du_Toit%E2%80%93Neujmin%E2%80%93Delporte" title="57P/du Toit–Neujmin–Delporte">57P/du Toit–Neujmin–Delporte</a></li> <li><a href="/wiki/58P/Jackson%E2%80%93Neujmin" title="58P/Jackson–Neujmin">58P/Jackson–Neujmin</a></li> <li><a href="/wiki/59P/Kearns%E2%80%93Kwee" title="59P/Kearns–Kwee">59P/Kearns–Kwee</a></li> <li><a href="/wiki/60P/Tsuchinshan" title="60P/Tsuchinshan">60P/Tsuchinshan</a></li> <li><a href="/wiki/61P/Shajn%E2%80%93Schaldach" title="61P/Shajn–Schaldach">61P/Shajn–Schaldach</a></li> <li><a href="/wiki/62P/Tsuchinshan" title="62P/Tsuchinshan">62P/Tsuchinshan</a></li> <li><a href="/wiki/63P/Wild" title="63P/Wild">63P/Wild</a></li> <li><a href="/wiki/64P/Swift%E2%80%93Gehrels" title="64P/Swift–Gehrels">64P/Swift–Gehrels</a></li> <li><a href="/wiki/65P/Gunn" title="65P/Gunn">65P/Gunn</a></li> <li><a href="/wiki/66P/du_Toit" title="66P/du Toit">66P/du Toit</a></li> <li><a href="/wiki/67P/Churyumov%E2%80%93Gerasimenko" title="67P/Churyumov–Gerasimenko">67P/Churyumov–Gerasimenko</a></li> <li><a href="/wiki/68P/Klemola" title="68P/Klemola">68P/Klemola</a></li> <li><a href="/wiki/69P/Taylor" title="69P/Taylor">69P/Taylor</a></li> <li><a href="/wiki/70P/Kojima" title="70P/Kojima">70P/Kojima</a></li> <li><a href="/wiki/71P/Clark" title="71P/Clark">71P/Clark</a></li> <li><a href="/wiki/72P/Denning%E2%80%93Fujikawa" title="72P/Denning–Fujikawa">72P/Denning–Fujikawa</a></li> <li><a href="/wiki/73P/Schwassmann%E2%80%93Wachmann" title="73P/Schwassmann–Wachmann">73P/Schwassmann–Wachmann</a></li> <li><a href="/wiki/74P/Smirnova%E2%80%93Chernykh" title="74P/Smirnova–Chernykh">74P/Smirnova–Chernykh</a></li> <li><a href="/wiki/75D/Kohoutek" title="75D/Kohoutek">75D/Kohoutek</a></li> <li><a href="/wiki/76P/West%E2%80%93Kohoutek%E2%80%93Ikemura" title="76P/West–Kohoutek–Ikemura">76P/West–Kohoutek–Ikemura</a></li> <li><a href="/wiki/77P/Longmore" title="77P/Longmore">77P/Longmore</a></li> <li><a href="/wiki/78P/Gehrels" title="78P/Gehrels">78P/Gehrels</a></li> <li><a href="/wiki/79P/du_Toit%E2%80%93Hartley" title="79P/du Toit–Hartley">79P/du Toit–Hartley</a></li> <li><a href="/wiki/80P/Peters%E2%80%93Hartley" title="80P/Peters–Hartley">80P/Peters–Hartley</a></li> <li><a href="/wiki/81P/Wild" title="81P/Wild">81P/Wild</a></li> <li><a href="/wiki/82P/Gehrels" title="82P/Gehrels">82P/Gehrels</a></li> <li><a href="/wiki/83D/Russell" title="83D/Russell">83D/Russell</a></li> <li><a href="/wiki/84P/Giclas" title="84P/Giclas">84P/Giclas</a></li> <li><a href="/wiki/85D/Boethin" title="85D/Boethin">85D/Boethin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">After 1985<br />(notable)</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/88P/Howell" title="88P/Howell">88P/Howell</a></li> <li><a href="/wiki/92P/Sanguin" title="92P/Sanguin">92P/Sanguin</a></li> <li><a href="/wiki/96P/Machholz" title="96P/Machholz">96P/Machholz</a></li> <li><a href="/wiki/97P/Metcalf%E2%80%93Brewington" title="97P/Metcalf–Brewington">97P/Metcalf–Brewington</a></li> <li><a href="/wiki/103P/Hartley" title="103P/Hartley">103P/Hartley</a></li> <li><a href="/wiki/4015_Wilson%E2%80%93Harrington" title="4015 Wilson–Harrington">107P/Wilson–Harrington</a></li> <li><a href="/wiki/108P/Ciffr%C3%A9o" title="108P/Ciffréo">108P/Ciffréo</a></li> <li><a href="/wiki/Comet_Swift%E2%80%93Tuttle" title="Comet Swift–Tuttle">109P/Swift–Tuttle</a></li> <li><a href="/wiki/122P/de_Vico" title="122P/de Vico">122P/de Vico</a></li> <li><a href="/wiki/126P/IRAS" title="126P/IRAS">126P/IRAS</a></li> <li><a href="/wiki/141P/Machholz" title="141P/Machholz">141P/Machholz</a></li> <li><a href="/wiki/144P/Kushida" title="144P/Kushida">144P/Kushida</a></li> <li><a href="/wiki/147P/Kushida%E2%80%93Muramatsu" title="147P/Kushida–Muramatsu">147P/Kushida–Muramatsu</a></li> <li><a href="/wiki/153P/Ikeya%E2%80%93Zhang" title="153P/Ikeya–Zhang">153P/Ikeya–Zhang</a></li> <li><a href="/wiki/156P/Russell%E2%80%93LINEAR" title="156P/Russell–LINEAR">156P/Russell–LINEAR</a></li> <li><a href="/wiki/161P/Hartley%E2%80%93IRAS" title="161P/Hartley–IRAS">161P/Hartley–IRAS</a></li> <li><a href="/wiki/162P/Siding_Spring" title="162P/Siding Spring">162P/Siding Spring</a></li> <li><a href="/wiki/168P/Hergenrother" title="168P/Hergenrother">168P/Hergenrother</a></li> <li><a href="/wiki/169P/NEAT" title="169P/NEAT">169P/NEAT</a></li> <li><a href="/wiki/177P/Barnard" title="177P/Barnard">177P/Barnard</a></li> <li><a href="/wiki/178P/Hug%E2%80%93Bell" title="178P/Hug–Bell">178P/Hug–Bell</a></li> <li><a href="/wiki/205P/Giacobini" title="205P/Giacobini">205P/Giacobini</a></li> <li><a href="/wiki/209P/LINEAR" title="209P/LINEAR">209P/LINEAR</a></li> <li><a href="/wiki/238P/Read" title="238P/Read">238P/Read</a></li> <li><a href="/wiki/246P/NEAT" title="246P/NEAT">246P/NEAT</a></li> <li><a href="/wiki/249P/LINEAR" title="249P/LINEAR">249P/LINEAR</a></li> <li><a href="/wiki/252P/LINEAR" title="252P/LINEAR">252P/LINEAR</a></li> <li><a href="/wiki/255P/Levy" title="255P/Levy">255P/Levy</a></li> <li><a href="/wiki/273P/Pons%E2%80%93Gambart" title="273P/Pons–Gambart">273P/Pons–Gambart</a></li> <li><a href="/wiki/289P/Blanpain" title="289P/Blanpain">289P/Blanpain</a></li> <li><a href="/wiki/311P/PanSTARRS" title="311P/PanSTARRS">311P/PanSTARRS</a></li> <li><a href="/wiki/322P/SOHO" title="322P/SOHO">322P/SOHO</a></li> <li><a href="/wiki/323P/SOHO" title="323P/SOHO">323P/SOHO</a></li> <li><a href="/wiki/332P/Ikeya%E2%80%93Murakami" title="332P/Ikeya–Murakami">332P/Ikeya–Murakami</a></li> <li><a href="/wiki/333P/LINEAR" title="333P/LINEAR">333P/LINEAR</a></li> <li><a href="/wiki/354P/LINEAR" title="354P/LINEAR">354P/LINEAR</a></li> <li><a href="/wiki/(457175)_2008_GO98" title="(457175) 2008 GO98">362P</a></li> <li><a href="/wiki/460P/PanSTARRS" title="460P/PanSTARRS">460P/PanSTARRS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Asteroid#Terminology" title="Asteroid">Comet-like<br />asteroids</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/596_Scheila" title="596 Scheila">596 Scheila</a></li> <li><a href="/wiki/2060_Chiron" title="2060 Chiron">2060 Chiron</a> (95P)</li> <li><a href="/wiki/4015_Wilson%E2%80%93Harrington" title="4015 Wilson–Harrington">4015 Wilson–Harrington</a> (107P)</li> <li><a href="/wiki/7968_Elst%E2%80%93Pizarro" title="7968 Elst–Pizarro">7968 Elst–Pizarro</a> (133P)</li> <li><a href="/wiki/165P/LINEAR" title="165P/LINEAR">165P/LINEAR</a></li> <li><a href="/wiki/166P/NEAT" title="166P/NEAT">166P/NEAT</a></li> <li><a href="/wiki/167P/CINEOS" title="167P/CINEOS">167P/CINEOS</a></li> <li><a href="/wiki/60558_Echeclus" title="60558 Echeclus">60558 Echeclus</a> (174P)</li> <li><a href="/wiki/118401_LINEAR" title="118401 LINEAR">118401 LINEAR</a> (176P)</li> <li><a href="/wiki/238P/Read" title="238P/Read">238P/Read</a></li> <li><a href="/wiki/259P/Garradd" title="259P/Garradd">259P/Garradd</a></li> <li><a href="/wiki/311P/PanSTARRS" title="311P/PanSTARRS">311P/PanSTARRS</a></li> <li><a href="/wiki/324P/La_Sagra" title="324P/La Sagra">324P/La Sagra</a></li> <li><a href="/wiki/331P/Gibbs" title="331P/Gibbs">331P/Gibbs</a></li> <li><a href="/wiki/354P/LINEAR" title="354P/LINEAR">354P/LINEAR</a></li> <li><a href="/wiki/358P/PANSTARRS" class="mw-redirect" title="358P/PANSTARRS">358P/PANSTARRS</a></li> <li><a href="/wiki/P/2013_R3_(Catalina-PANSTARRS)" class="mw-redirect" title="P/2013 R3 (Catalina-PANSTARRS)">P/2013 R3 (Catalina-PANSTARRS)</a></li> <li><a href="/wiki/(300163)_2006_VW139" title="(300163) 2006 VW139">(300163) 2006 VW139</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Lost_comet" title="Lost comet">Lost</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%;text-align: center;">Recovered</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/9P/Tempel" class="mw-redirect" title="9P/Tempel">9P/Tempel</a></li> <li><a href="/wiki/11P/Tempel%E2%80%93Swift%E2%80%93LINEAR" title="11P/Tempel–Swift–LINEAR">11P/Tempel–Swift–LINEAR</a></li> <li><a href="/wiki/15P/Finlay" title="15P/Finlay">15P/Finlay</a></li> <li><a href="/wiki/Comet_Holmes" title="Comet Holmes">17P/Holmes</a></li> <li><a href="/wiki/27P/Crommelin" title="27P/Crommelin">27P/Crommelin</a></li> <li><a href="/wiki/54P/de_Vico%E2%80%93Swift%E2%80%93NEAT" title="54P/de Vico–Swift–NEAT">54P/de Vico–Swift–NEAT</a></li> <li><a href="/wiki/55P/Tempel%E2%80%93Tuttle" title="55P/Tempel–Tuttle">55P/Tempel–Tuttle</a></li> <li><a href="/wiki/57P/du_Toit%E2%80%93Neujmin%E2%80%93Delporte" title="57P/du Toit–Neujmin–Delporte">57P/du Toit–Neujmin–Delporte</a></li> <li><a href="/wiki/69P/Taylor" title="69P/Taylor">69P/Taylor</a></li> <li><a href="/wiki/72P/Denning%E2%80%93Fujikawa" title="72P/Denning–Fujikawa">72P/Denning–Fujikawa</a></li> <li><a href="/wiki/80P/Peters%E2%80%93Hartley" title="80P/Peters–Hartley">80P/Peters–Hartley</a></li> <li><a href="/wiki/97P/Metcalf%E2%80%93Brewington" title="97P/Metcalf–Brewington">97P/Metcalf–Brewington</a></li> <li><a href="/wiki/4015_Wilson%E2%80%93Harrington" title="4015 Wilson–Harrington">107P/Wilson–Harrington</a></li> <li><a href="/wiki/113P/Spitaler" title="113P/Spitaler">113P/Spitaler</a></li> <li><a href="/wiki/122P/de_Vico" title="122P/de Vico">122P/de Vico</a></li> <li><a href="/wiki/157P/Tritton" title="157P/Tritton">157P/Tritton</a></li> <li><a href="/wiki/205P/Giacobini" title="205P/Giacobini">205P/Giacobini</a></li> <li><a href="/wiki/206P/Barnard%E2%80%93Boattini" title="206P/Barnard–Boattini">206P/Barnard–Boattini</a></li> <li><a href="/wiki/226P/Pigott%E2%80%93LINEAR%E2%80%93Kowalski" title="226P/Pigott–LINEAR–Kowalski">226P/Pigott–LINEAR–Kowalski</a></li> <li><a href="/wiki/271P/van_Houten%E2%80%93Lemmon" title="271P/van Houten–Lemmon">271P/van Houten–Lemmon</a></li> <li><a href="/wiki/289P/Blanpain" title="289P/Blanpain">289P/Blanpain</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Destroyed</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/Biela%27s_Comet" title="Biela's Comet">3D/Biela</a></li> <li><a href="/wiki/Comet_Shoemaker%E2%80%93Levy_9" title="Comet Shoemaker–Levy 9">D/1993 F2 (Shoemaker–Levy 9)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Not found</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/Lexell%27s_Comet" title="Lexell's Comet">D/1770 L1 (Lexell)</a></li> <li><a href="/wiki/5D/Brorsen" title="5D/Brorsen">5D/Brorsen</a></li> <li><a href="/wiki/18D/Perrine%E2%80%93Mrkos" title="18D/Perrine–Mrkos">18D/Perrine–Mrkos</a></li> <li><a href="/wiki/20D/Westphal" title="20D/Westphal">20D/Westphal</a></li> <li><a href="/wiki/25D/Neujmin" title="25D/Neujmin">25D/Neujmin</a></li> <li><a href="/wiki/34D/Gale" title="34D/Gale">34D/Gale</a></li> <li><a href="/wiki/75D/Kohoutek" title="75D/Kohoutek">75D/Kohoutek</a></li> <li><a href="/wiki/83D/Russell" title="83D/Russell">83D/Russell</a></li> <li><a href="/wiki/85D/Boethin" title="85D/Boethin">85D/Boethin</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/List_of_minor_planets_and_comets_visited_by_spacecraft#List_of_comets_visited_by_spacecraft" title="List of minor planets and comets visited by spacecraft">Visited by<br />spacecraft</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/21P/Giacobini%E2%80%93Zinner" title="21P/Giacobini–Zinner">21P/Giacobini–Zinner</a> (1985)</li> <li><a href="/wiki/Halley%27s_Comet" title="Halley's Comet">1P/Halley</a> (1986)</li> <li><a href="/wiki/26P/Grigg%E2%80%93Skjellerup" title="26P/Grigg–Skjellerup">26P/Grigg–Skjellerup</a> (1992)</li> <li><a href="/wiki/19P/Borrelly" title="19P/Borrelly">19P/Borrelly</a> (2001)</li> <li><a href="/wiki/81P/Wild" title="81P/Wild">81P/Wild</a> (2004)</li> <li><a href="/wiki/Tempel_1" title="Tempel 1">9P/Tempel</a> (2005, 2011)</li> <li><a href="/wiki/Comet_McNaught" title="Comet McNaught">C/2006 P1</a> (2007)</li> <li><a href="/wiki/103P/Hartley" title="103P/Hartley">103P/Hartley</a> (2010)</li> <li><a href="/wiki/67P/Churyumov%E2%80%93Gerasimenko" title="67P/Churyumov–Gerasimenko">67P/Churyumov–Gerasimenko</a> (2014)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/List_of_near-parabolic_comets" title="List of near-parabolic comets">Near-Parabolic<br />comets<br />(notable)</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%;text-align: center;">Until 1990</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/Caesar%27s_Comet" title="Caesar's Comet">C/-43 K1 (Caesar's Comet)</a></li> <li><a href="/wiki/X/1106_C1" title="X/1106 C1">X/1106 C1 (Great Comet of 1106)</a></li> <li><a href="/wiki/Great_Comet_of_1264" title="Great Comet of 1264">C/1264 N1 (Great Comet of 1264)</a></li> <li><a href="/wiki/Great_Comet_of_1402" title="Great Comet of 1402">C/1402 D1 (Great Comet of 1402)</a></li> <li><a href="/wiki/Great_Comet_of_1472" title="Great Comet of 1472">C/1471 Y1 (Great Comet of 1472)</a></li> <li><a href="/wiki/Great_Comet_of_1577" title="Great Comet of 1577">C/1577 V1 (Great Comet of 1577)</a></li> <li><a href="/wiki/C/1652_Y1" title="C/1652 Y1">C/1652 Y1</a></li> <li><a href="/wiki/Great_Comet_of_1680" title="Great Comet of 1680">C/1680 V1 (Great Comet of 1680, Kirsch's Comet, Newton's Comet)</a>)</li> <li><a href="/wiki/C/1702_H1" title="C/1702 H1">C/1702 H1 (Comet of 1702)</a></li> <li><a href="/wiki/Comet_of_1729" class="mw-redirect" title="Comet of 1729">C/1729 P1 (Comet of 1729, Comet Sarabat)</a></li> <li><a href="/wiki/Great_Comet_of_1744" title="Great Comet of 1744">C/1743 X1 (Great Comet of 1744, Comet Klinkenberg-Chéseaux)</a></li> <li><a href="/wiki/C/1760_A1" title="C/1760 A1">C/1760 A1 (Great Comet of 1760)</a></li> <li><a href="/wiki/C/1769_P1" class="mw-redirect" title="C/1769 P1">C/1769 P1 (Great Comet of 1769)</a></li> <li><a href="/wiki/C/1807_R1" title="C/1807 R1">C/1807 R1 (Great Comet of 1807)</a></li> <li><a href="/wiki/Great_Comet_of_1811" title="Great Comet of 1811">C/1811 F1 (Great Comet of 1811)</a></li> <li><a href="/wiki/Great_Comet_of_1819" title="Great Comet of 1819">C/1819 N1 (Great Comet of 1819)</a></li> <li><a href="/wiki/Great_Comet_of_1823" title="Great Comet of 1823">C/1823 Y1 (Great Comet of 1823)</a></li> <li><a href="/wiki/Great_Comet_of_1843" title="Great Comet of 1843">C/1843 D1 (Great March Comet of 1843)</a></li> <li><a href="/wiki/C/1847_T1" class="mw-redirect" title="C/1847 T1">C/1847 T1 (Miss Mitchell's Comet)</a></li> <li><a href="/wiki/Comet_Donati" title="Comet Donati">C/1858 L1 (Comet Donati)</a></li> <li><a href="/wiki/C/1861_G1_(Thatcher)" title="C/1861 G1 (Thatcher)">C/1861 G1 (Comet Thatcher)</a></li> <li><a href="/wiki/C/1861_J1" title="C/1861 J1">C/1861 J1 (Great Comet of 1861)</a></li> <li><a href="/wiki/C/1865_B1" title="C/1865 B1">C/1865 B1 (Great Southern Comet of 1865)</a></li> <li><a href="/wiki/X/1872_X1" title="X/1872 X1">X/1872 X1 (Pogson's Comet)</a></li> <li><a href="/wiki/C/1874_H1" class="mw-redirect" title="C/1874 H1">C/1874 H1 (Comet Coggia)</a></li> <li><a href="/wiki/C/1881_K1" class="mw-redirect" title="C/1881 K1">C/1881 K1 (Comet Tebbutt)</a></li> <li><a href="/wiki/Great_Comet_of_1882" title="Great Comet of 1882">C/1882 R1 (Great Comet of 1882)</a></li> <li><a href="/wiki/Great_Southern_Comet_of_1887" title="Great Southern Comet of 1887">C/1887 B1 (Great Southern Comet of 1887)</a></li> <li><a href="/wiki/Great_Comet_of_1901" title="Great Comet of 1901">C/1901 G1 (Great Comet of 1901)</a></li> <li><a href="/wiki/Great_January_Comet_of_1910" title="Great January Comet of 1910">C/1910 A1 (Great January Comet of 1910)</a></li> <li><a href="/wiki/C/1911_O1" class="mw-redirect" title="C/1911 O1">C/1911 O1 (Brooks)</a></li> <li><a href="/wiki/C/1911_S3" class="mw-redirect" title="C/1911 S3">C/1911 S3 (Beljawsky)</a></li> <li><a href="/wiki/Comet_Skjellerup%E2%80%93Maristany" title="Comet Skjellerup–Maristany">C/1927 X1 (Skjellerup–Maristany)</a></li> <li><a href="/wiki/C/1931_P1_(Ryves)" class="mw-redirect" title="C/1931 P1 (Ryves)">C/1931 P1 (Ryves)</a></li> <li><a href="/wiki/C/1941_B2_(de_Kock-Paraskevopoulos)" class="mw-redirect" title="C/1941 B2 (de Kock-Paraskevopoulos)">C/1941 B2 (de Kock-Paraskevopoulos)</a></li> <li><a href="/wiki/C/1947_X1_(Southern_Comet)" class="mw-redirect" title="C/1947 X1 (Southern Comet)">C/1947 X1 (Southern Comet)</a></li> <li><a href="/wiki/C/1948_V1" title="C/1948 V1">C/1948 V1 (Eclipse)</a></li> <li><a href="/wiki/Comet_Arend%E2%80%93Roland" title="Comet Arend–Roland">C/1956 R1 (Arend–Roland)</a></li> <li><a href="/wiki/C/1957_P1_(Mrkos)" title="C/1957 P1 (Mrkos)">C/1957 P1 (Mrkos)</a></li> <li><a href="/w/index.php?title=C/1961_O1_(Wilson-Hubbard)&action=edit&redlink=1" class="new" title="C/1961 O1 (Wilson-Hubbard) (page does not exist)">C/1961 O1 (Wilson-Hubbard)</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://de.wikipedia.org/wiki/C/1961_O1_(Wilson-Hubbard)" class="extiw" title="de:C/1961 O1 (Wilson-Hubbard)">de</a>]</span></li> <li><a href="/wiki/Comet_Humason" title="Comet Humason">C/1961 R1 (Humason)</a></li> <li><a href="/wiki/C/1962_C1_(Seki-Lines)" class="mw-redirect" title="C/1962 C1 (Seki-Lines)">C/1962 C1 (Seki-Lines)</a></li> <li><a href="/wiki/C/1963_A1_(Ikeya)" title="C/1963 A1 (Ikeya)">C/1963 A1 (Ikeya)</a></li> <li><a href="/wiki/Comet_Pereyra" title="Comet Pereyra">C/1963 R1 (Pereyra)</a></li> <li><a href="/wiki/C/1964_N1_(Ikeya)" title="C/1964 N1 (Ikeya)">C/1964 N1 (Ikeya)</a></li> <li><a href="/wiki/Comet_Ikeya%E2%80%93Seki" title="Comet Ikeya–Seki">C/1965 S1 (Ikeya-Seki)</a></li> <li><a href="/w/index.php?title=C/1969_T1_(Tago-Sato-Kosaka)&action=edit&redlink=1" class="new" title="C/1969 T1 (Tago-Sato-Kosaka) (page does not exist)">C/1969 T1 (Tago-Sato-Kosaka)</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://de.wikipedia.org/wiki/C/1969_T1_(Tago-Sato-Kosaka)" class="extiw" title="de:C/1969 T1 (Tago-Sato-Kosaka)">de</a>]</span></li> <li><a href="/wiki/Comet_Bennett" title="Comet Bennett">C/1969 Y1 (Bennett)</a></li> <li><a href="/wiki/Comet_White%E2%80%93Ortiz%E2%80%93Bolelli" title="Comet White–Ortiz–Bolelli">C/1970 K1 (White–Ortiz–Bolelli)</a></li> <li><a href="/wiki/Comet_Kohoutek" title="Comet Kohoutek">C/1973 E1 (Kohoutek)</a></li> <li><a href="/wiki/Comet_West" title="Comet West">C/1975 V1 (West)</a></li> <li><a href="/wiki/C/1980_E1_(Bowell)" title="C/1980 E1 (Bowell)">C/1980 E1 (Bowell)</a></li> <li><a href="/wiki/Comet_IRAS%E2%80%93Araki%E2%80%93Alcock" title="Comet IRAS–Araki–Alcock">C/1983 H1 (IRAS–Araki–Alcock)</a></li> <li><a href="/wiki/C/1989_W1_(Aarseth-Brewington)" class="mw-redirect" title="C/1989 W1 (Aarseth-Brewington)">C/1989 W1 (Aarseth-Brewington)</a></li> <li><a href="/wiki/C/1989_X1_(Austin)" title="C/1989 X1 (Austin)">C/1989 X1 (Austin)</a></li> <li><a href="/wiki/Comet_Skorichenko%E2%80%93George" class="mw-redirect" title="Comet Skorichenko–George">C/1989 Y1 (Skorichenko–George)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">After 1990</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/C/1990_K1_(Levy)" title="C/1990 K1 (Levy)">C/1990 K1 (Levy)</a></li> <li><a href="/wiki/C/1992_J1_(Spacewatch)" title="C/1992 J1 (Spacewatch)">C/1992 J1 (Spacewatch–Rabinowitz)</a></li> <li><a href="/wiki/Comet_McNaught%E2%80%93Russell" class="mw-redirect" title="Comet McNaught–Russell">C/1993 Y1 (McNaught–Russell)</a></li> <li><a href="/wiki/Comet_Hale%E2%80%93Bopp" title="Comet Hale–Bopp">C/1995 O1 (Hale–Bopp)</a></li> <li><a href="/wiki/Comet_Hyakutake" title="Comet Hyakutake">C/1996 B2 (Hyakutake)</a></li> <li><a href="/wiki/Comet_Zhu%E2%80%93Balam" class="mw-redirect" title="Comet Zhu–Balam">C/1997 L1 (Zhu–Balam)</a></li> <li><a href="/wiki/Comet_Stonehouse" class="mw-redirect" title="Comet Stonehouse">C/1998 H1 (Stonehouse)</a></li> <li><a href="/w/index.php?title=C/1998_J1_(SOHO)&action=edit&redlink=1" class="new" title="C/1998 J1 (SOHO) (page does not exist)">C/1998 J1 (SOHO)</a></li> <li><a href="/wiki/C/1999_F1_(Catalina)" title="C/1999 F1 (Catalina)">C/1999 F1 (Catalina)</a></li> <li><a href="/wiki/C/1999_S4_(LINEAR)" title="C/1999 S4 (LINEAR)">C/1999 S4 (LINEAR)</a></li> <li><a href="/wiki/C/2000_WM1_(LINEAR)" title="C/2000 WM1 (LINEAR)">C/2000 WM1 (LINEAR)</a></li> <li><a href="/wiki/C/2001_A2_(LINEAR)" title="C/2001 A2 (LINEAR)">C/2001 A2 (LINEAR)</a></li> <li><a href="/wiki/C/2001_OG108" class="mw-redirect" title="C/2001 OG108">C/2001 OG108 (LONEOS)</a></li> <li><a href="/wiki/C/2001_Q4_(NEAT)" title="C/2001 Q4 (NEAT)">C/2001 Q4 (NEAT)</a></li> <li><a href="/wiki/C/2002_T7" class="mw-redirect" title="C/2002 T7">C/2002 T7 (LINEAR)</a></li> <li><a href="/wiki/C/2002_V1_(NEAT)" title="C/2002 V1 (NEAT)">C/2002 V1 (NEAT)</a></li> <li><a href="/wiki/C/2004_F4_(Bradfield)" title="C/2004 F4 (Bradfield)">C/2004 F4 (Bradfield)</a></li> <li><a href="/wiki/Comet_Machholz" title="Comet Machholz">C/2004 Q2 (Machholz)</a></li> <li><a href="/wiki/Comet_Pojma%C5%84ski" class="mw-redirect" title="Comet Pojmański">C/2006 A1 (Pojmański)</a></li> <li><a href="/wiki/C/2006_M4_(SWAN)" title="C/2006 M4 (SWAN)">C/2006 M4 (SWAN)</a></li> <li><a href="/wiki/Comet_McNaught" title="Comet McNaught">C/2006 P1 (McNaught)</a></li> <li><a href="/wiki/C/2007_E2_(Lovejoy)" title="C/2007 E2 (Lovejoy)">C/2007 E2 (Lovejoy)</a></li> <li><a href="/wiki/C/2007_F1" class="mw-redirect" title="C/2007 F1">C/2007 F1 (LONEOS)</a></li> <li><a href="/wiki/Comet_Lulin" class="mw-redirect" title="Comet Lulin">C/2007 N3 (Lulin)</a></li> <li><a href="/wiki/C/2007_Q3_(Siding_Spring)" title="C/2007 Q3 (Siding Spring)">C/2007 Q3 (Siding Spring)</a></li> <li><a href="/wiki/C/2007_W1_(Boattini)" title="C/2007 W1 (Boattini)">C/2007 W1 (Boattini)</a></li> <li><a href="/wiki/Comet_Yi%E2%80%93SWAN" class="mw-redirect" title="Comet Yi–SWAN">C/2009 F6 (Yi–SWAN)</a></li> <li><a href="/wiki/C/2009_R1_(McNaught)" title="C/2009 R1 (McNaught)">C/2009 R1 (McNaught)</a></li> <li><a href="/wiki/C/2010_X1_(Elenin)" title="C/2010 X1 (Elenin)">C/2010 X1 (Elenin)</a></li> <li><a href="/wiki/C/2011_L4" class="mw-redirect" title="C/2011 L4">C/2011 L4 (PANSTARRS)</a></li> <li><a href="/wiki/C/2011_W3_(Lovejoy)" title="C/2011 W3 (Lovejoy)">C/2011 W3 (Lovejoy)</a></li> <li><a href="/wiki/C/2012_E2_(SWAN)" title="C/2012 E2 (SWAN)">C/2012 E2 (SWAN)</a></li> <li><a href="/wiki/C/2012_F6_(Lemmon)" title="C/2012 F6 (Lemmon)">C/2012 F6 (Lemmon)</a></li> <li><a href="/wiki/C/2012_K1" class="mw-redirect" title="C/2012 K1">C/2012 K1 (PANSTARRS)</a></li> <li><a href="/wiki/Comet_ISON" title="Comet ISON">C/2012 S1 (ISON)</a></li> <li><a href="/wiki/C/2013_A1_(Siding_Spring)" title="C/2013 A1 (Siding Spring)">C/2013 A1 (Siding Spring)</a></li> <li><a href="/wiki/C/2013_R1" class="mw-redirect" title="C/2013 R1">C/2013 R1 (Lovejoy)</a></li> <li><a href="/wiki/C/2013_US10_(Catalina)" title="C/2013 US10 (Catalina)">C/2013 US10 (Catalina)</a></li> <li><a href="/wiki/C/2013_V5_(Oukaimeden)" title="C/2013 V5 (Oukaimeden)">C/2013 V5 (Oukaimeden)</a></li> <li><a href="/wiki/C/2014_E2_(Jacques)" title="C/2014 E2 (Jacques)">C/2014 E2 (Jacques)</a></li> <li><a href="/wiki/C/2014_Q1_(PanSTARRS)" title="C/2014 Q1 (PanSTARRS)">C/2014 Q1 (PanSTARRS)</a></li> <li><a href="/wiki/C/2014_Q2_(Lovejoy)" title="C/2014 Q2 (Lovejoy)">C/2014 Q2 (Lovejoy)</a></li> <li><a href="/wiki/C/2015_ER61_(PanSTARRS)" title="C/2015 ER61 (PanSTARRS)">C/2015 ER61 (PanSTARRS)</a></li> <li><a href="/wiki/C/2015_V2_(Johnson)" title="C/2015 V2 (Johnson)">C/2015 V2 (Johnson)</a></li> <li><a href="/wiki/C/2017_K2_(PanSTARRS)" title="C/2017 K2 (PanSTARRS)">C/2017 K2 (PanSTARRS)</a></li> <li><a href="/wiki/%CA%BBOumuamua" title="ʻOumuamua">1I/2017 U1 ʻOumuamua</a></li> <li><a href="/wiki/C/2018_Y1_(Iwamoto)" title="C/2018 Y1 (Iwamoto)">C/2018 Y1 (Iwamoto)</a></li> <li><a href="/wiki/2I/Borisov" title="2I/Borisov">2I/Borisov</a></li> <li><a href="/wiki/C/2019_U6_(Lemmon)" title="C/2019 U6 (Lemmon)">C/2019 U6 (Lemmon)</a></li> <li><a href="/wiki/C/2019_Y4_(ATLAS)" title="C/2019 Y4 (ATLAS)">C/2019 Y4 (ATLAS)</a></li> <li><a href="/wiki/C/2020_F3_(NEOWISE)" class="mw-redirect" title="C/2020 F3 (NEOWISE)">C/2020 F3 (NEOWISE)</a></li> <li><a href="/wiki/C/2020_F8_(SWAN)" title="C/2020 F8 (SWAN)">C/2020 F8 (SWAN)</a></li> <li><a href="/wiki/C/2021_A1_(Leonard)" title="C/2021 A1 (Leonard)">C/2021 A1 (Leonard)</a></li> <li><a href="/wiki/C/2022_E3_(ZTF)" title="C/2022 E3 (ZTF)">C/2022 E3 (ZTF)</a></li> <li><a href="/wiki/C/2023_A3_(Tsuchinshan%E2%80%93ATLAS)" title="C/2023 A3 (Tsuchinshan–ATLAS)">C/2023 A3 (Tsuchinshan–ATLAS)</a></li> <li><a href="/wiki/C/2023_P1_(Nishimura)" title="C/2023 P1 (Nishimura)">C/2023 P1 (Nishimura)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">After 1910<br />(by name)</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/C/1989_W1_(Aarseth-Brewington)" class="mw-redirect" title="C/1989 W1 (Aarseth-Brewington)">Aarseth-Brewington</a></li> <li><a href="/wiki/Comet_Arend%E2%80%93Roland" title="Comet Arend–Roland">Arend–Roland</a></li> <li><a href="/wiki/C/1989_X1_(Austin)" title="C/1989 X1 (Austin)">Austin</a></li> <li><a href="/wiki/C/1911_S3" class="mw-redirect" title="C/1911 S3">Beljawsky</a></li> <li><a href="/wiki/Comet_Bennett" title="Comet Bennett">Bennett</a></li> <li><a href="/wiki/C/2007_W1_(Boattini)" title="C/2007 W1 (Boattini)">Boattini</a></li> <li><a href="/wiki/2I/Borisov" title="2I/Borisov">Borisov</a></li> <li><a href="/wiki/C/1980_E1_(Bowell)" title="C/1980 E1 (Bowell)">Bowell</a></li> <li><a href="/wiki/C/2004_F4_(Bradfield)" title="C/2004 F4 (Bradfield)">Bradfield</a></li> <li><a href="/wiki/C/1911_O1" class="mw-redirect" title="C/1911 O1">Brooks</a></li> <li><a href="/wiki/Catalina_Sky_Survey" title="Catalina Sky Survey">Catalina</a> <ul><li><a href="/wiki/C/1999_F1_(Catalina)" title="C/1999 F1 (Catalina)">C/1999 F1</a></li> <li><a href="/wiki/C/2013_US10" class="mw-redirect" title="C/2013 US10">C/2013 US10</a></li></ul></li> <li><a href="/wiki/C/1941_B2_(de_Kock-Paraskevopoulos)" class="mw-redirect" title="C/1941 B2 (de Kock-Paraskevopoulos)">de Kock–Paraskevopoulos</a></li> <li><a href="/wiki/C/1948_V1" title="C/1948 V1">Eclipse</a></li> <li><a href="/wiki/C/2010_X1_(Elenin)" title="C/2010 X1 (Elenin)">Elenin</a></li> <li><a href="/wiki/Comet_Hale%E2%80%93Bopp" title="Comet Hale–Bopp">Hale-Bopp</a></li> <li><a href="/wiki/Comet_Humason" title="Comet Humason">Humason</a></li> <li><a href="/wiki/Comet_Hyakutake" title="Comet Hyakutake">Hyakutake</a></li> <li><a href="/wiki/Kaoru_Ikeya" title="Kaoru Ikeya">Ikeya</a> <ul><li><a href="/wiki/C/1963_A1_(Ikeya)" title="C/1963 A1 (Ikeya)">C/1963 A1</a></li> <li><a href="/wiki/C/1964_N1_(Ikeya)" title="C/1964 N1 (Ikeya)">C/1964 N1</a></li></ul></li> <li><a href="/wiki/Comet_Ikeya%E2%80%93Seki" title="Comet Ikeya–Seki">Ikeya-Seki</a></li> <li><a href="/wiki/Comet_IRAS%E2%80%93Araki%E2%80%93Alcock" title="Comet IRAS–Araki–Alcock">IRAS–Araki–Alcock</a></li> <li><a href="/wiki/Comet_ISON" title="Comet ISON">ISON</a></li> <li><a href="/wiki/C/2018_Y1_(Iwamoto)" title="C/2018 Y1 (Iwamoto)">Iwamoto</a></li> <li><a href="/wiki/C/2014_E2_(Jacques)" title="C/2014 E2 (Jacques)">Jacques</a></li> <li><a href="/wiki/C/2015_V2_(Johnson)" title="C/2015 V2 (Johnson)">Johnson</a></li> <li><a href="/wiki/Comet_Kohoutek" title="Comet Kohoutek">Kohoutek</a></li> <li><a href="/wiki/Mount_Lemmon_Observatory" title="Mount Lemmon Observatory">Lemmon</a> <ul><li><a href="/wiki/C/2012_F6_(Lemmon)" title="C/2012 F6 (Lemmon)">C/2012 F6</a></li> <li><a href="/wiki/C/2018_C2_(Lemmon)" title="C/2018 C2 (Lemmon)">C/2018 C2</a></li> <li><a href="/wiki/C/2019_U6_(Lemmon)" title="C/2019 U6 (Lemmon)">C/2019 U6</a></li></ul></li> <li><a href="/wiki/C/2021_A1_(Leonard)" title="C/2021 A1 (Leonard)">Leonard</a></li> <li><a href="/wiki/C/1990_K1_(Levy)" title="C/1990 K1 (Levy)">Levy</a></li> <li><a href="/wiki/Lincoln_Near-Earth_Asteroid_Research" title="Lincoln Near-Earth Asteroid Research">LINEAR</a> <ul><li><a href="/wiki/C/1999_S4_(LINEAR)" title="C/1999 S4 (LINEAR)">C/1999 S4</a></li> <li><a href="/wiki/C/2000_WM1_(LINEAR)" title="C/2000 WM1 (LINEAR)">C/2000 WM1</a></li> <li><a href="/wiki/C/2001_A2_(LINEAR)" title="C/2001 A2 (LINEAR)">C/2001 A2</a></li> <li><a href="/wiki/C/2002_T7" class="mw-redirect" title="C/2002 T7">C/2002 T7</a></li></ul></li> <li><a href="/wiki/Lowell_Observatory_Near-Earth-Object_Search" title="Lowell Observatory Near-Earth-Object Search">LONEOS</a> <ul><li><a href="/wiki/C/2001_OG108" class="mw-redirect" title="C/2001 OG108">C/2001 OG108</a></li> <li><a href="/wiki/C/2007_F1" class="mw-redirect" title="C/2007 F1">C/2007 F1</a></li></ul></li> <li><a href="/wiki/Terry_Lovejoy" title="Terry Lovejoy">Lovejoy</a> <ul><li><a href="/wiki/C/2007_E2_(Lovejoy)" title="C/2007 E2 (Lovejoy)">C/2007 E2</a></li> <li><a href="/wiki/C/2011_W3_(Lovejoy)" title="C/2011 W3 (Lovejoy)">C/2011 W3</a></li> <li><a href="/wiki/C/2013_R1" class="mw-redirect" title="C/2013 R1">C/2013 R1</a></li> <li><a href="/wiki/C/2014_Q2_(Lovejoy)" title="C/2014 Q2 (Lovejoy)">C/2014 Q2</a></li></ul></li> <li><a href="/wiki/Comet_Lulin" class="mw-redirect" title="Comet Lulin">Lulin</a></li> <li><a href="/wiki/Comet_Machholz" title="Comet Machholz">Machholz</a></li> <li><a href="/wiki/Robert_H._McNaught" title="Robert H. McNaught">McNaught</a> <ul><li><a href="/wiki/Comet_McNaught" title="Comet McNaught">C/2006 P1</a></li> <li><a href="/wiki/C/2009_R1_(McNaught)" title="C/2009 R1 (McNaught)">C/2009 R1</a></li></ul></li> <li><a href="/wiki/Comet_McNaught%E2%80%93Russell" class="mw-redirect" title="Comet McNaught–Russell">McNaught–Russell</a></li> <li><a href="/wiki/C/1957_P1_(Mrkos)" title="C/1957 P1 (Mrkos)">Mrkos</a></li> <li><a href="/wiki/Near-Earth_Asteroid_Tracking" title="Near-Earth Asteroid Tracking">NEAT</a> <ul><li><a href="/wiki/C/2001_Q4_(NEAT)" title="C/2001 Q4 (NEAT)">C/2001 Q4</a></li> <li><a href="/wiki/C/2002_V1_(NEAT)" title="C/2002 V1 (NEAT)">C/2002 V1</a></li></ul></li> <li><a href="/wiki/Comet_NEOWISE" title="Comet NEOWISE">NEOWISE</a></li> <li><a href="/wiki/C/2023_P1_(Nishimura)" title="C/2023 P1 (Nishimura)">Nishimura</a></li> <li><a href="/wiki/C/2013_V5_(Oukaimeden)" title="C/2013 V5 (Oukaimeden)">Oukaimeden</a></li> <li><a href="/wiki/%CA%BBOumuamua" title="ʻOumuamua">ʻOumuamua</a></li> <li><a class="mw-selflink selflink">Pan-STARRS</a> <ul><li><a href="/wiki/C/2011_L4" class="mw-redirect" title="C/2011 L4">C/2011 L4</a></li> <li><a href="/wiki/C/2012_K1" class="mw-redirect" title="C/2012 K1">C/2012 K1</a></li> <li><a href="/wiki/311P/PanSTARRS" title="311P/PanSTARRS">311P/PanSTARRS</a></li> <li><a href="/wiki/C/2014_Q1_(PanSTARRS)" title="C/2014 Q1 (PanSTARRS)">C/2014 Q1</a></li> <li><a href="/wiki/C/2015_ER61_(PanSTARRS)" title="C/2015 ER61 (PanSTARRS)">C/2015 ER61</a></li> <li><a href="/wiki/C/2017_K2" class="mw-redirect" title="C/2017 K2">C/2017 K2</a></li></ul></li> <li><a href="/wiki/Comet_Pereyra" title="Comet Pereyra">Pereyra</a></li> <li><a href="/wiki/Comet_Pojma%C5%84ski" class="mw-redirect" title="Comet Pojmański">Pojmański</a></li> <li><a href="/wiki/Ryves_Comet" title="Ryves Comet">Ryves</a></li> <li><a href="/wiki/C/1962_C1_(Seki-Lines)" class="mw-redirect" title="C/1962 C1 (Seki-Lines)">Seki–Lines</a></li> <li><a href="/wiki/Siding_Spring_Observatory" title="Siding Spring Observatory">Siding Spring</a> <ul><li><a href="/wiki/C/2007_Q3_(Siding_Spring)" title="C/2007 Q3 (Siding Spring)">C/2007 Q3</a></li> <li><a href="/wiki/C/2013_A1_(Siding_Spring)" title="C/2013 A1 (Siding Spring)">C/2013 A1</a></li></ul></li> <li><a href="/wiki/Comet_Skjellerup%E2%80%93Maristany" title="Comet Skjellerup–Maristany">Skjellerup–Maristany</a></li> <li><a href="/wiki/Comet_Skorichenko%E2%80%93George" class="mw-redirect" title="Comet Skorichenko–George">Skorichenko–George</a></li> <li><a href="/w/index.php?title=C/1998_J1_(SOHO)&action=edit&redlink=1" class="new" title="C/1998 J1 (SOHO) (page does not exist)">SOHO</a></li> <li><a href="/wiki/C/1947_X1_(Southern_Comet)" class="mw-redirect" title="C/1947 X1 (Southern Comet)">Southern</a></li> <li><a href="/wiki/C/1992_J1_(Spacewatch)" title="C/1992 J1 (Spacewatch)">Spacewatch–Rabinowitz</a></li> <li><a href="/wiki/Comet_Stonehouse" class="mw-redirect" title="Comet Stonehouse">Stonehouse</a></li> <li><a href="/wiki/Solar_and_Heliospheric_Observatory#Instruments" title="Solar and Heliospheric Observatory">SWAN</a> <ul><li><a href="/wiki/C/2006_M4_(SWAN)" title="C/2006 M4 (SWAN)">C/2006 M4</a></li> <li><a href="/wiki/C/2012_E2_(SWAN)" title="C/2012 E2 (SWAN)">C/2012 E2</a></li> <li><a href="/wiki/C/2020_F8_(SWAN)" title="C/2020 F8 (SWAN)">C/2020 F8</a></li></ul></li> <li><a href="/w/index.php?title=C/1969_T1_(Tago-Sato-Kosaka)&action=edit&redlink=1" class="new" title="C/1969 T1 (Tago-Sato-Kosaka) (page does not exist)">Tago-Sato-Kosaka</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://de.wikipedia.org/wiki/C/1969_T1_(Tago-Sato-Kosaka)" class="extiw" title="de:C/1969 T1 (Tago-Sato-Kosaka)">de</a>]</span></li> <li><a href="/wiki/C/2023_A3_(Tsuchinshan%E2%80%93ATLAS)" title="C/2023 A3 (Tsuchinshan–ATLAS)">Tsuchinshan–ATLAS</a></li> <li><a href="/wiki/Comet_West" title="Comet West">West</a></li> <li><a href="/wiki/Comet_White%E2%80%93Ortiz%E2%80%93Bolelli" title="Comet White–Ortiz–Bolelli">White–Ortiz–Bolelli</a></li> <li><a href="/w/index.php?title=C/1961_O1_(Wilson-Hubbard)&action=edit&redlink=1" class="new" title="C/1961 O1 (Wilson-Hubbard) (page does not exist)">Wilson–Hubbard</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://de.wikipedia.org/wiki/C/1961_O1_(Wilson-Hubbard)" class="extiw" title="de:C/1961 O1 (Wilson-Hubbard)">de</a>]</span></li> <li><a href="/wiki/Comet_Yi%E2%80%93SWAN" class="mw-redirect" title="Comet Yi–SWAN">Yi–SWAN</a></li> <li><a href="/wiki/Comet_Zhu%E2%80%93Balam" class="mw-redirect" title="Comet Zhu–Balam">Zhu–Balam</a></li> <li><a href="/wiki/C/2022_E3_(ZTF)" title="C/2022 E3 (ZTF)">ZTF</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div> <ul><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> <a href="/wiki/Category:Comets" title="Category:Comets">Category</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="Planetary_defense" 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_defense" 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 href="/wiki/Potentially_hazardous_object" title="Potentially hazardous object">Potentially hazardous object</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> <li><a href="/wiki/List_of_asteroid_close_approaches_to_Earth" title="List of asteroid close approaches to Earth">Asteroid close approaches</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>Damage scales <ul><li><a href="/wiki/Palermo_Technical_Impact_Hazard_Scale" title="Palermo Technical Impact Hazard Scale">Palermo scale</a></li> <li><a href="/wiki/Torino_scale" title="Torino scale">Torino scale</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 class="mw-selflink selflink">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%">Potential threats</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/(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></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-odd" 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> <style data-mw-deduplicate="TemplateStyles:r1130092004">.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;justify-content:center;align-items:baseline}.mw-parser-output .portal-bar-bordered{padding:0 2em;background-color:#fdfdfd;border:1px solid #a2a9b1;clear:both;margin:1em auto 0}.mw-parser-output .portal-bar-related{font-size:100%;justify-content:flex-start}.mw-parser-output .portal-bar-unbordered{padding:0 1.7em;margin-left:0}.mw-parser-output .portal-bar-header{margin:0 1em 0 0.5em;flex:0 0 auto;min-height:24px}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;flex:0 1 auto;padding:0.15em 0;column-gap:1em;align-items:baseline;margin:0;list-style:none}.mw-parser-output .portal-bar-content-related{margin:0;list-style:none}.mw-parser-output .portal-bar-item{display:inline-block;margin:0.15em 0.2em;min-height:24px;line-height:24px}@media screen and (max-width:768px){.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;flex-flow:column wrap;align-items:baseline}.mw-parser-output .portal-bar-header{text-align:center;flex:0;padding-left:0.5em;margin:0 auto}.mw-parser-output .portal-bar-related{font-size:100%;align-items:flex-start}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;align-items:center;flex:0;column-gap:1em;border-top:1px solid #a2a9b1;margin:0 auto;list-style:none}.mw-parser-output .portal-bar-content-related{border-top:none;margin:0;list-style:none}}.mw-parser-output .navbox+link+.portal-bar,.mw-parser-output .navbox+style+.portal-bar,.mw-parser-output .navbox+link+.portal-bar-bordered,.mw-parser-output .navbox+style+.portal-bar-bordered,.mw-parser-output .sister-bar+link+.portal-bar,.mw-parser-output .sister-bar+style+.portal-bar,.mw-parser-output .portal-bar+.navbox-styles+.navbox,.mw-parser-output .portal-bar+.navbox-styles+.sister-bar{margin-top:-1px}</style><div class="portal-bar noprint metadata noviewer portal-bar-bordered" role="navigation" aria-label="Portals"><span class="portal-bar-header"><a href="/wiki/Wikipedia:Contents/Portals" title="Wikipedia:Contents/Portals">Portals</a>:</span><ul class="portal-bar-content"><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/19px-Crab_Nebula.jpg" decoding="async" width="19" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/29px-Crab_Nebula.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/38px-Crab_Nebula.jpg 2x" data-file-width="3864" data-file-height="3864" /></span></span> </span><a href="/wiki/Portal:Astronomy" title="Portal:Astronomy">Astronomy</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><a href="/wiki/File:He1523a.jpg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/He1523a.jpg/16px-He1523a.jpg" decoding="async" width="16" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/He1523a.jpg/25px-He1523a.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/He1523a.jpg/33px-He1523a.jpg 2x" data-file-width="180" data-file-height="207" /></a></span> </span><a href="/wiki/Portal:Stars" title="Portal:Stars">Stars</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/19px-RocketSunIcon.svg.png" decoding="async" width="19" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/29px-RocketSunIcon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/38px-RocketSunIcon.svg.png 2x" data-file-width="128" data-file-height="128" /></span></span> </span><a href="/wiki/Portal:Spaceflight" title="Portal:Spaceflight">Spaceflight</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/21px-Earth-moon.jpg" decoding="async" width="21" height="17" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/32px-Earth-moon.jpg 1.5x, 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