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class="vector-toc-numb">2</span> <span>Naming conventions</span> </div> </a> <button aria-controls="toc-Naming_conventions-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Naming conventions subsection</span> </button> <ul id="toc-Naming_conventions-sublist" class="vector-toc-list"> <li id="toc-Provisional_designation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Provisional_designation"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Provisional designation</span> </div> </a> <ul id="toc-Provisional_designation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Numbering" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Numbering"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Numbering</span> </div> </a> <ul id="toc-Numbering-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Naming" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Naming"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3</span> <span>Naming</span> </div> </a> <ul id="toc-Naming-sublist" class="vector-toc-list"> <li id="toc-Gender" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Gender"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3.1</span> <span>Gender</span> </div> </a> <ul id="toc-Gender-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Eccentric" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Eccentric"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3.2</span> <span>Eccentric</span> </div> </a> <ul id="toc-Eccentric-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Discoverer's_name" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Discoverer's_name"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3.3</span> <span>Discoverer's name</span> </div> </a> <ul id="toc-Discoverer's_name-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Languages" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Languages"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.3.4</span> <span>Languages</span> </div> </a> <ul id="toc-Languages-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-Physical_properties_of_comets_and_minor_planets" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Physical_properties_of_comets_and_minor_planets"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Physical properties of comets and minor planets</span> </div> </a> <ul id="toc-Physical_properties_of_comets_and_minor_planets-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Environmental_properties" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Environmental_properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Environmental properties</span> </div> </a> <button aria-controls="toc-Environmental_properties-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Environmental properties subsection</span> </button> <ul id="toc-Environmental_properties-sublist" class="vector-toc-list"> <li id="toc-Radiation_environment" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Radiation_environment"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Radiation environment</span> </div> </a> <ul id="toc-Radiation_environment-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Optical_environment" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Optical_environment"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Optical environment</span> </div> </a> <ul id="toc-Optical_environment-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Geological_environment" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Geological_environment"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>Geological environment</span> </div> </a> <ul id="toc-Geological_environment-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Magnetic_environment" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Magnetic_environment"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.4</span> <span>Magnetic environment</span> </div> </a> <ul id="toc-Magnetic_environment-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">5</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">6</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">7</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">8</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" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Minor planet</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 55 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-55" 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">55 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Kleinplaneet" title="Kleinplaneet – Afrikaans" lang="af" hreflang="af" data-title="Kleinplaneet" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%83%D9%88%D9%83%D8%A8_%D8%B5%D8%BA%D9%8A%D8%B1" title="كوكب صغير – Arabic" lang="ar" hreflang="ar" data-title="كوكب صغير" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Planetoide" title="Planetoide – Asturian" lang="ast" hreflang="ast" data-title="Planetoide" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Ki%C3%A7ik_planet" title="Kiçik planet – Azerbaijani" lang="az" hreflang="az" data-title="Kiçik planet" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%97%E0%A7%8C%E0%A6%A3_%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%B9%E0%A6%B0%E0%A6%BE%E0%A6%B6%E0%A6%BF" title="গৌণ গ্রহরাশি – Bangla" lang="bn" hreflang="bn" data-title="গৌণ গ্রহরাশি" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Si%C3%B3-h%C3%AAng_he%CC%8Dk-chhe%E2%81%BF" title="Sió-hêng he̍k-chheⁿ – Minnan" lang="nan" hreflang="nan" data-title="Sió-hêng he̍k-chheⁿ" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D0%B0%D1%8F_%D0%BF%D0%BB%D0%B0%D0%BD%D0%B5%D1%82%D0%B0" title="Малая планета – Belarusian" lang="be" hreflang="be" data-title="Малая планета" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D0%BA%D0%B0_%D0%BF%D0%BB%D0%B0%D0%BD%D0%B5%D1%82%D0%B0" title="Малка планета – Bulgarian" lang="bg" hreflang="bg" data-title="Малка планета" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Male_planete" title="Male planete – Bosnian" lang="bs" hreflang="bs" data-title="Male planete" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Planeta_menor" title="Planeta menor – Catalan" lang="ca" hreflang="ca" data-title="Planeta menor" 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/Planetka" title="Planetka – Czech" lang="cs" hreflang="cs" data-title="Planetka" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Kleinplanet" title="Kleinplanet – German" lang="de" hreflang="de" data-title="Kleinplanet" 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/%CE%9C%CE%B9%CE%BA%CF%81%CF%8C%CF%82_%CF%80%CE%BB%CE%B1%CE%BD%CE%AE%CF%84%CE%B7%CF%82" title="Μικρός πλανήτης – Greek" lang="el" hreflang="el" data-title="Μικρός πλανήτης" 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/Planetoide" title="Planetoide – Spanish" lang="es" hreflang="es" data-title="Planetoide" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Planeta_txiki" title="Planeta txiki – Basque" lang="eu" hreflang="eu" data-title="Planeta txiki" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%DB%8C%D8%B2%D8%B3%DB%8C%D8%A7%D8%B1%D9%87" title="ریزسیاره – Persian" lang="fa" hreflang="fa" data-title="ریزسیاره" 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/Plan%C3%A8te_mineure" title="Planète mineure – French" lang="fr" hreflang="fr" data-title="Planète mineure" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Pl%C3%A1in%C3%A9ad%C3%B3ideach" title="Pláinéadóideach – Irish" lang="ga" hreflang="ga" data-title="Pláinéadóideach" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Planetoide" title="Planetoide – Galician" lang="gl" hreflang="gl" data-title="Planetoide" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%86%8C%ED%96%89%EC%84%B1%EC%B2%B4" title="소행성체 – Korean" lang="ko" hreflang="ko" data-title="소행성체" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%93%D5%B8%D6%84%D6%80_%D5%B4%D5%B8%D5%AC%D5%B8%D6%80%D5%A1%D5%AF" title="Փոքր մոլորակ – Armenian" lang="hy" hreflang="hy" data-title="Փոքր մոլորակ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B9%E0%A5%80%E0%A4%A8_%E0%A4%97%E0%A5%8D%E0%A4%B0%E0%A4%B9" title="हीन ग्रह – Hindi" lang="hi" hreflang="hi" data-title="हीन ग्रह" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Mali_planet" title="Mali planet – Croatian" lang="hr" hreflang="hr" data-title="Mali planet" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Planet_minor" title="Planet minor – Indonesian" lang="id" hreflang="id" data-title="Planet minor" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Reikistirni" title="Reikistirni – Icelandic" lang="is" hreflang="is" data-title="Reikistirni" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%9B%D7%95%D7%9B%D7%91_%D7%9C%D7%9B%D7%AA_%D7%9E%D7%99%D7%A0%D7%95%D7%A8%D7%99" title="כוכב לכת מינורי – Hebrew" lang="he" hreflang="he" data-title="כוכב לכת מינורי" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%AA%E1%83%98%E1%83%A0%E1%83%94_%E1%83%AA%E1%83%97%E1%83%9D%E1%83%9B%E1%83%98%E1%83%9A%E1%83%98" title="მცირე ცთომილი – Georgian" lang="ka" hreflang="ka" data-title="მცირე ცთომილი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Sayari_ndogo" title="Sayari ndogo – Swahili" lang="sw" hreflang="sw" data-title="Sayari ndogo" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Planeta_minor" title="Planeta minor – Latin" lang="la" hreflang="la" data-title="Planeta minor" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D0%B0_%D0%BF%D0%BB%D0%B0%D0%BD%D0%B5%D1%82%D0%B0" title="Мала планета – Macedonian" lang="mk" hreflang="mk" data-title="Мала планета" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%AD%E1%83%98%E1%83%AD%E1%83%94_%E1%83%9E%E1%83%9A%E1%83%90%E1%83%9C%E1%83%94%E1%83%A2%E1%83%90" title="ჭიჭე პლანეტა – Mingrelian" lang="xmf" hreflang="xmf" data-title="ჭიჭე პლანეტა" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%83%D9%88%D9%83%D8%A8_%D8%B5%D8%BA%D9%8A%D8%B1" title="كوكب صغير – Egyptian Arabic" lang="arz" hreflang="arz" data-title="كوكب صغير" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Planet_minor" title="Planet minor – Malay" lang="ms" hreflang="ms" data-title="Planet minor" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%82%E1%80%BC%E1%80%AD%E1%80%AF%E1%80%9F%E1%80%BA%E1%80%84%E1%80%9A%E1%80%BA" title="ဂြိုဟ်ငယ် – Burmese" lang="my" hreflang="my" data-title="ဂြိုဟ်ငယ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-ja badge-Q70894304 mw-list-item" title=""><a href="https://ja.wikipedia.org/wiki/%E3%83%9E%E3%82%A4%E3%83%8A%E3%83%BC%E3%83%97%E3%83%A9%E3%83%8D%E3%83%83%E3%83%88" title="マイナープラネット – Japanese" lang="ja" hreflang="ja" data-title="マイナープラネット" 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/Sm%C3%A5planet" title="Småplanet – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Småplanet" 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-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Sm%C3%A5planet" title="Småplanet – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Småplanet" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%DA%A9%D9%88%DA%86%D9%86%DB%8D_%D8%B3%DB%8C%D8%A7%D8%B1%D9%87" title="کوچنۍ سیاره – Pashto" lang="ps" hreflang="ps" data-title="کوچنۍ سیاره" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Planeta_menor" title="Planeta menor – Portuguese" lang="pt" hreflang="pt" data-title="Planeta menor" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Planet%C4%83_minor%C4%83" title="Planetă minoră – Romanian" lang="ro" hreflang="ro" data-title="Planetă minoră" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9F%D0%BB%D0%B0%D0%BD%D0%B5%D1%82%D0%BA%D0%B0" title="Планетка – Rusyn" lang="rue" hreflang="rue" data-title="Планетка" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D0%B0%D1%8F_%D0%BF%D0%BB%D0%B0%D0%BD%D0%B5%D1%82%D0%B0" title="Малая планета – Russian" lang="ru" hreflang="ru" data-title="Малая планета" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B7%94%E0%B6%A9%E0%B7%8F_%E0%B6%9C%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B7%84%E0%B6%BD%E0%B7%9D%E0%B6%9A" title="කුඩා ග්‍රහලෝක – Sinhala" lang="si" hreflang="si" data-title="කුඩා ග්‍රහලෝක" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Plan%C3%A9tka" title="Planétka – Slovak" lang="sk" hreflang="sk" data-title="Planétka" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Planetoid" title="Planetoid – Slovenian" lang="sl" hreflang="sl" data-title="Planetoid" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%BE%DB%95%D8%B3%D8%A7%D8%B1%DB%95%DB%8C_%D8%A8%DA%86%D9%88%D9%88%DA%A9" title="ھەسارەی بچووک – Central Kurdish" lang="ckb" hreflang="ckb" data-title="ھەسارەی بچووک" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Mala_planeta" title="Mala planeta – Serbian" lang="sr" hreflang="sr" data-title="Mala planeta" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Pikkuplaneetta" title="Pikkuplaneetta – Finnish" lang="fi" hreflang="fi" data-title="Pikkuplaneetta" 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/Sm%C3%A5planet" title="Småplanet – Swedish" lang="sv" hreflang="sv" data-title="Småplanet" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Planetang_menor" title="Planetang menor – Tagalog" lang="tl" hreflang="tl" data-title="Planetang menor" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/K%C3%BC%C3%A7%C3%BCk_gezegen" title="Küçük gezegen – Turkish" lang="tr" hreflang="tr" data-title="Küçük gezegen" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BB%D0%B0_%D0%BF%D0%BB%D0%B0%D0%BD%D0%B5%D1%82%D0%B0" title="Мала планета – Ukrainian" lang="uk" hreflang="uk" data-title="Мала планета" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/H%C3%A0nh_tinh_vi_h%C3%ACnh" title="Hành tinh vi hình – Vietnamese" lang="vi" hreflang="vi" data-title="Hành tinh vi hình" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a 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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">"Planetoid" redirects here. For one specific type of planet-like astronomical objects, see <a href="/wiki/Dwarf_planet" title="Dwarf planet">dwarf planet</a>. For other planetoids, see <a href="/wiki/Planetoid_(disambiguation)" class="mw-disambig" title="Planetoid (disambiguation)">planetoid (disambiguation)</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1237032888/mw-parser-output/.tmulti">.mw-parser-output .tmulti .multiimageinner{display:flex;flex-direction:column}.mw-parser-output .tmulti .trow{display:flex;flex-direction:row;clear:left;flex-wrap:wrap;width:100%;box-sizing:border-box}.mw-parser-output .tmulti .tsingle{margin:1px;float:left}.mw-parser-output .tmulti .theader{clear:both;font-weight:bold;text-align:center;align-self:center;background-color:transparent;width:100%}.mw-parser-output .tmulti .thumbcaption{background-color:transparent}.mw-parser-output .tmulti .text-align-left{text-align:left}.mw-parser-output .tmulti .text-align-right{text-align:right}.mw-parser-output .tmulti .text-align-center{text-align:center}@media all and (max-width:720px){.mw-parser-output .tmulti .thumbinner{width:100%!important;box-sizing:border-box;max-width:none!important;align-items:center}.mw-parser-output .tmulti .trow{justify-content:center}.mw-parser-output .tmulti .tsingle{float:none!important;max-width:100%!important;box-sizing:border-box;text-align:center}.mw-parser-output .tmulti .tsingle .thumbcaption{text-align:left}.mw-parser-output .tmulti .trow>.thumbcaption{text-align:center}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmulti .multiimageinner img{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmulti .multiimageinner img{background-color:white}}</style><div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:308px;max-width:308px"><div class="trow"><div class="tsingle" style="width:152px;max-width:152px"><div class="thumbimage" style="height:149px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Pluto_in_True_Color_-_High-Res.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/Pluto_in_True_Color_-_High-Res.jpg/150px-Pluto_in_True_Color_-_High-Res.jpg" decoding="async" width="150" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ef/Pluto_in_True_Color_-_High-Res.jpg/225px-Pluto_in_True_Color_-_High-Res.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ef/Pluto_in_True_Color_-_High-Res.jpg/300px-Pluto_in_True_Color_-_High-Res.jpg 2x" data-file-width="8000" data-file-height="8000" /></a></span></div></div><div class="tsingle" style="width:152px;max-width:152px"><div class="thumbimage" style="height:149px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Ceres_-_RC3_-_Haulani_Crater_(22381131691).jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ceres_-_RC3_-_Haulani_Crater_%2822381131691%29.jpg/150px-Ceres_-_RC3_-_Haulani_Crater_%2822381131691%29.jpg" decoding="async" width="150" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ceres_-_RC3_-_Haulani_Crater_%2822381131691%29.jpg/225px-Ceres_-_RC3_-_Haulani_Crater_%2822381131691%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ceres_-_RC3_-_Haulani_Crater_%2822381131691%29.jpg/300px-Ceres_-_RC3_-_Haulani_Crater_%2822381131691%29.jpg 2x" data-file-width="950" data-file-height="950" /></a></span></div></div></div><div class="trow"><div class="tsingle" style="width:106px;max-width:106px"><div class="thumbimage" style="height:104px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Vesta_in_natural_color.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Vesta_in_natural_color.jpg/104px-Vesta_in_natural_color.jpg" decoding="async" width="104" height="104" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Vesta_in_natural_color.jpg/156px-Vesta_in_natural_color.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/51/Vesta_in_natural_color.jpg/208px-Vesta_in_natural_color.jpg 2x" data-file-width="1220" data-file-height="1220" /></a></span></div></div><div class="tsingle" style="width:108px;max-width:108px"><div class="thumbimage" style="height:104px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Rosetta_triumphs_at_asteroid_Lutetia.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Rosetta_triumphs_at_asteroid_Lutetia.jpg/106px-Rosetta_triumphs_at_asteroid_Lutetia.jpg" decoding="async" width="106" height="105" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Rosetta_triumphs_at_asteroid_Lutetia.jpg/159px-Rosetta_triumphs_at_asteroid_Lutetia.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/17/Rosetta_triumphs_at_asteroid_Lutetia.jpg/212px-Rosetta_triumphs_at_asteroid_Lutetia.jpg 2x" data-file-width="2103" data-file-height="2078" /></a></span></div></div><div class="tsingle" style="width:87px;max-width:87px"><div class="thumbimage" style="height:104px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Ultima_Thule_New_Horizons_CA06_vertical.png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Ultima_Thule_New_Horizons_CA06_vertical.png/85px-Ultima_Thule_New_Horizons_CA06_vertical.png" decoding="async" width="85" height="104" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Ultima_Thule_New_Horizons_CA06_vertical.png/128px-Ultima_Thule_New_Horizons_CA06_vertical.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Ultima_Thule_New_Horizons_CA06_vertical.png/170px-Ultima_Thule_New_Horizons_CA06_vertical.png 2x" data-file-width="1486" data-file-height="1818" /></a></span></div></div></div><div class="trow"><div class="tsingle" style="width:137px;max-width:137px"><div class="thumbimage" style="height:80px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Itokawa06_hayabusa.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Itokawa06_hayabusa.jpg/135px-Itokawa06_hayabusa.jpg" decoding="async" width="135" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Itokawa06_hayabusa.jpg/203px-Itokawa06_hayabusa.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/48/Itokawa06_hayabusa.jpg/270px-Itokawa06_hayabusa.jpg 2x" data-file-width="800" data-file-height="477" /></a></span></div></div><div class="tsingle" style="width:82px;max-width:82px"><div class="thumbimage" style="height:80px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Bennu_mosaic_OSIRIS-REx_(square).png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Bennu_mosaic_OSIRIS-REx_%28square%29.png/80px-Bennu_mosaic_OSIRIS-REx_%28square%29.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Bennu_mosaic_OSIRIS-REx_%28square%29.png/120px-Bennu_mosaic_OSIRIS-REx_%28square%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8d/Bennu_mosaic_OSIRIS-REx_%28square%29.png/160px-Bennu_mosaic_OSIRIS-REx_%28square%29.png 2x" data-file-width="2500" data-file-height="2500" /></a></span></div></div><div class="tsingle" style="width:82px;max-width:82px"><div class="thumbimage" style="height:80px;overflow:hidden"><span typeof="mw:File"><a href="/wiki/File:Dinkinesh_First_Look_L%27LORRI.png" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Dinkinesh_First_Look_L%27LORRI.png/80px-Dinkinesh_First_Look_L%27LORRI.png" decoding="async" width="80" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Dinkinesh_First_Look_L%27LORRI.png/120px-Dinkinesh_First_Look_L%27LORRI.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/77/Dinkinesh_First_Look_L%27LORRI.png/160px-Dinkinesh_First_Look_L%27LORRI.png 2x" data-file-width="996" data-file-height="996" /></a></span></div></div></div><div class="trow" style="display:flex"><div class="thumbcaption">Various visited minor planets and their diversity: <ul><li><a href="/wiki/Pluto" title="Pluto">Pluto</a> and <a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a></li> <li><a href="/wiki/4_Vesta" title="4 Vesta">Vesta</a>, <a href="/wiki/21_Lutetia" title="21 Lutetia">Lutetia</a>, and <a href="/wiki/486958_Arrokoth" title="486958 Arrokoth">Arrokoth</a></li> <li><a href="/wiki/25143_Itokawa" title="25143 Itokawa">Itokawa</a>, <a href="/wiki/101955_Bennu" title="101955 Bennu">Bennu</a>, and <a href="/wiki/152830_Dinkinesh" title="152830 Dinkinesh">Dinkinesh</a> and its satellite Selam</li></ul> <i>Sizes are not to scale.</i></div></div></div></div> <p>According to the <a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">International Astronomical Union</a> (IAU), a <b>minor planet</b> is an <a href="/wiki/Astronomical_object" title="Astronomical object">astronomical object</a> in direct <a href="/wiki/Orbit" title="Orbit">orbit</a> around the <a href="/wiki/Sun" title="Sun">Sun</a> that is exclusively classified as neither a <a href="/wiki/Planet" title="Planet">planet</a> nor a <a href="/wiki/Comet" title="Comet">comet</a>.<sup id="cite_ref-dual_1-0" class="reference"><a href="#cite_note-dual-1"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> Before 2006, the IAU officially used the term <i>minor planet</i>, but that year's meeting <a href="/wiki/IAU_definition_of_planet" title="IAU definition of planet">reclassified</a> minor planets and comets into <a href="/wiki/Dwarf_planet" title="Dwarf planet">dwarf planets</a> and <a href="/wiki/Small_Solar_System_body" title="Small Solar System body">small Solar System bodies</a> (SSSBs).<sup id="cite_ref-res_2-0" class="reference"><a href="#cite_note-res-2"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> In contrast to the eight official planets of the <a href="/wiki/Solar_System" title="Solar System">Solar System</a>, all minor planets fail to <a href="/wiki/Clearing_the_neighborhood" class="mw-redirect" title="Clearing the neighborhood">clear their orbital neighborhood</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-res_2-1" class="reference"><a href="#cite_note-res-2"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Minor planets include <a href="/wiki/Asteroid" title="Asteroid">asteroids</a> (<a href="/wiki/Near-Earth_object" title="Near-Earth object">near-Earth objects</a>, <a href="/wiki/Earth_trojan" title="Earth trojan">Earth trojans</a>, <a href="/wiki/Mars_trojan" title="Mars trojan">Mars trojans</a>, <a href="/wiki/Mars-crossing_asteroid" class="mw-redirect" title="Mars-crossing asteroid">Mars-crossers</a>, <a href="/wiki/Main-belt_asteroids" class="mw-redirect" title="Main-belt asteroids">main-belt asteroids</a> and <a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter trojans</a>), as well as <a href="/wiki/Distant_minor_planet" title="Distant minor planet">distant minor planets</a> (<a href="/wiki/Uranus_trojan" class="mw-redirect" title="Uranus trojan">Uranus trojans</a>, <a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune trojans</a>, <a href="/wiki/Centaur_(small_Solar_System_body)" title="Centaur (small Solar System body)">centaurs</a> and <a href="/wiki/Trans-Neptunian_objects" class="mw-redirect" title="Trans-Neptunian objects">trans-Neptunian objects</a>), most of which reside in the <a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a> and the <a href="/wiki/Scattered_disc" title="Scattered disc">scattered disc</a>. As of October 2024<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Minor_planet&action=edit">[update]</a></sup>, there are 1,392,085 known objects, divided into <a href="/wiki/List_of_minor_planets" title="List of minor planets">740,000 numbered</a>, with only one of them recognized as a dwarf planet (secured discoveries) and <a href="/wiki/List_of_unnumbered_minor_planets" title="List of unnumbered minor planets">652,085 unnumbered</a> minor planets, with only five of those officially recognized as a <a href="/wiki/Dwarf_planet" title="Dwarf planet">dwarf planet</a>.<sup id="cite_ref-MPC-Latest-Published-Data_4-0" class="reference"><a href="#cite_note-MPC-Latest-Published-Data-4"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>The first minor planet to be discovered was <a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a> in 1801, though it was called a 'planet' at the time and an 'asteroid' soon after; the term <i>minor planet</i> was not introduced until 1841, and was considered a subcategory of 'planet' until 1932.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The term <b>planetoid</b> has also been used, especially for larger, planetary objects such as those the IAU has called <a href="/wiki/Dwarf_planet" title="Dwarf planet">dwarf planets</a> since 2006.<sup id="cite_ref-a_6-0" class="reference"><a href="#cite_note-a-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> Historically, the terms <i>asteroid</i>, <i>minor planet</i>, and <i>planetoid</i> have been more or less synonymous.<sup id="cite_ref-a_6-1" class="reference"><a href="#cite_note-a-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-encarta_8-0" class="reference"><a href="#cite_note-encarta-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> This terminology has become more complicated by the discovery of numerous minor planets beyond the orbit of <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a>, especially trans-Neptunian objects that are generally not considered asteroids.<sup id="cite_ref-encarta_8-1" class="reference"><a href="#cite_note-encarta-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> A minor planet seen releasing gas may be dually classified as a comet. </p><p>Objects are called dwarf planets if their own gravity is sufficient to achieve <a href="/wiki/Hydrostatic_equilibrium" title="Hydrostatic equilibrium">hydrostatic equilibrium</a> and form an <a href="/wiki/Ellipsoid" title="Ellipsoid">ellipsoidal</a> shape. All other minor planets and comets are called <i>small Solar System bodies</i>.<sup id="cite_ref-res_2-2" class="reference"><a href="#cite_note-res-2"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The IAU stated that the term <i>minor planet</i> may still be used, but the term <i>small Solar System body</i> will be preferred.<sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> However, for purposes of numbering and naming, the traditional distinction between minor planet and comet is still used. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Populations">Populations</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=1" title="Edit section: Populations"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/List_of_minor-planet_groups" title="List of minor-planet groups">List of minor-planet groups</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Euler_diagram_of_solar_system_bodies.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Euler_diagram_of_solar_system_bodies.svg/220px-Euler_diagram_of_solar_system_bodies.svg.png" decoding="async" width="220" height="170" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Euler_diagram_of_solar_system_bodies.svg/330px-Euler_diagram_of_solar_system_bodies.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Euler_diagram_of_solar_system_bodies.svg/440px-Euler_diagram_of_solar_system_bodies.svg.png 2x" data-file-width="635" data-file-height="490" /></a><figcaption><a href="/wiki/Euler_diagram" title="Euler diagram">Euler diagram</a> showing the types of bodies in the <a href="/wiki/Solar_System" title="Solar System">Solar System</a> according to the <a href="/wiki/IAU" class="mw-redirect" title="IAU">IAU</a></figcaption></figure> <p>Hundreds of thousands of minor planets have been discovered within the Solar System and thousands more are discovered each month. The <a href="/wiki/Minor_Planet_Center" title="Minor Planet Center">Minor Planet Center</a> has documented over 213 million observations and 794,832 minor planets, of which 541,128 have orbits known well enough to be assigned <a href="/wiki/Astronomical_naming_conventions" title="Astronomical naming conventions">permanent official numbers</a>.<sup id="cite_ref-MPC-ArchiveStatistics_10-0" class="reference"><a href="#cite_note-MPC-ArchiveStatistics-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> Of these, 21,922 have official names.<sup id="cite_ref-MPC-ArchiveStatistics_10-1" class="reference"><a href="#cite_note-MPC-ArchiveStatistics-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> As of 8 November 2021<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Minor_planet&action=edit">[update]</a></sup>, the lowest-numbered unnamed minor planet is <span class="nowrap"><a href="/wiki/(4596)_1981_QB" class="mw-redirect" title="(4596) 1981 QB">(4596) 1981 QB</a></span>,<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> and the highest-numbered named minor planet is <a href="/wiki/594913_%EA%9E%8CAyl%C3%B3%EA%9E%8Cchaxnim" title="594913 ꞌAylóꞌchaxnim">594913 ꞌAylóꞌchaxnim</a>.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> </p><p>There are various broad minor-planet populations: </p> <ul><li><a href="/wiki/Asteroid" title="Asteroid">Asteroids</a>; traditionally, most have been bodies in the inner Solar System.<sup id="cite_ref-encarta_8-2" class="reference"><a href="#cite_note-encarta-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <ul><li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth asteroids</a>, those whose orbits take them inside the orbit of Mars. Further subclassification of these, based on orbital distance, is used:<sup id="cite_ref-neog_14-0" class="reference"><a href="#cite_note-neog-14"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> <ul><li><a href="/wiki/Apohele_asteroid" class="mw-redirect" title="Apohele asteroid">Apohele asteroids</a> orbit inside of Earth's perihelion distance and thus are contained entirely within the orbit of Earth.</li> <li><a href="/wiki/Aten_asteroid" title="Aten asteroid">Aten asteroids</a>, those that have a semimajor axis of less than Earth's and an aphelion (furthest distance from the Sun) greater than 0.983 AU.</li> <li><a href="/wiki/Apollo_asteroids" class="mw-redirect" title="Apollo asteroids">Apollo asteroids</a> are those asteroids with a semimajor axis greater than Earth's while having a perihelion distance of 1.017 AU or less. Like Aten asteroids, Apollo asteroids are <a href="/wiki/Earth-crosser_asteroid" class="mw-redirect" title="Earth-crosser asteroid">Earth-crossers</a>.</li> <li><a href="/wiki/Amor_asteroid" title="Amor asteroid">Amor asteroids</a> are those near-<a href="/wiki/Earth" title="Earth">Earth</a> asteroids that approach the orbit of Earth from beyond but do not cross it. Amor asteroids are further subdivided into four subgroups, depending on where their semimajor axis falls between Earth's orbit and the asteroid belt.</li></ul></li> <li><a href="/wiki/Earth_trojan" title="Earth trojan">Earth trojans</a>, asteroids sharing Earth's orbit and gravitationally locked to it. As of 2022, two Earth trojans are known: <a href="/wiki/2010_TK7" class="mw-redirect" title="2010 TK7">2010 TK<sub>7</sub></a> and <a href="/wiki/2020_XL5" class="mw-redirect" title="2020 XL5">2020 XL<sub>5</sub></a>.<sup id="cite_ref-nature475_7357_481_15-0" class="reference"><a href="#cite_note-nature475_7357_481-15"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Mars_trojan" title="Mars trojan">Mars trojans</a>, asteroids sharing Mars's orbit and gravitationally locked to it. As of 2007, eight such asteroids are known.<sup id="cite_ref-sp465_16-0" class="reference"><a href="#cite_note-sp465-16"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-MPC-object_17-0" class="reference"><a href="#cite_note-MPC-object-17"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup></li> <li><a href="/wiki/Asteroid_belt" title="Asteroid belt">Asteroid belt</a>, whose members follow roughly circular orbits between Mars and Jupiter. These are the original and best-known group of asteroids.</li> <li><a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter trojans</a>, asteroids sharing Jupiter's orbit and gravitationally locked to it. Numerically they are estimated to equal the main-belt asteroids.</li></ul></li> <li><a href="/wiki/Distant_minor_planet" title="Distant minor planet">Distant minor planets</a>, an umbrella term for minor planets in the outer Solar System. <ul><li><a href="/wiki/Centaur_(planetoid)" class="mw-redirect" title="Centaur (planetoid)">Centaurs</a>, bodies in the outer Solar System between Jupiter and Neptune. They have unstable orbits due to the gravitational influence of the giant planets, and therefore must have come from elsewhere, probably outside Neptune.<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></li> <li><a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune trojans</a>, bodies sharing Neptune's orbit and gravitationally locked to it. Although only a handful are known, there is evidence that Neptune trojans are more numerous than either the asteroids in the asteroid belt or the Jupiter trojans.<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></li> <li><a href="/wiki/Trans-Neptunian_objects" class="mw-redirect" title="Trans-Neptunian objects">Trans-Neptunian objects</a>, bodies at or beyond the orbit of <a href="/wiki/Neptune" title="Neptune">Neptune</a>, the outermost planet. <ul><li>The <a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a>, objects inside an apparent population drop-off approximately 55 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> from the Sun. <ul><li><a href="/wiki/Classical_Kuiper_belt_object" title="Classical Kuiper belt object">Classical Kuiper belt objects</a> like <a href="/wiki/Makemake_(dwarf_planet)" class="mw-redirect" title="Makemake (dwarf planet)">Makemake</a>, also known as cubewanos, are in primordial, relatively circular orbits that are not in resonance with Neptune.</li> <li><a href="/wiki/Resonant_trans-Neptunian_object" title="Resonant trans-Neptunian object">Resonant Kuiper belt objects</a>. <ul><li><a href="/wiki/Plutinos" class="mw-redirect" title="Plutinos">Plutinos</a>, bodies like <a href="/wiki/Pluto" title="Pluto">Pluto</a> that are in a 2:3 resonance with Neptune.</li></ul></li></ul></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a> objects like <a href="/wiki/Eris_(dwarf_planet)" title="Eris (dwarf planet)">Eris</a>, with <a href="/wiki/Aphelion" class="mw-redirect" title="Aphelion">aphelia</a> outside the Kuiper belt. These are thought to have been scattered by Neptune. <ul><li><a href="/wiki/Resonant_trans-Neptunian_object" title="Resonant trans-Neptunian object">Resonant scattered disc objects</a>.</li></ul></li> <li><a href="/wiki/Detached_object" title="Detached object">Detached objects</a> such as <a href="/wiki/90377_Sedna" class="mw-redirect" title="90377 Sedna">Sedna</a>, with both an aphelion and a <a href="/wiki/Perihelion" class="mw-redirect" title="Perihelion">perihelion</a> outside the Kuiper belt. <ul><li><a href="/wiki/Sednoid" title="Sednoid">Sednoids</a>, detached objects with a perihelion greater than 75 AU (Sedna, <span class="nowrap"><a href="/wiki/2012_VP113" title="2012 VP113">2012 VP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">113</span></span></a></span>, and <a href="/wiki/541132_Lele%C4%81k%C5%ABhonua" title="541132 Leleākūhonua">Leleākūhonua</a>).</li></ul></li> <li>The <a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a>, a hypothetical population thought to be the source of <a href="/wiki/Comet#Orbital_characteristics" title="Comet">long-period comets</a> and that may extend to 50,000 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> from the Sun.</li></ul></li></ul></li></ul> <div class="mw-heading mw-heading2"><h2 id="Naming_conventions">Naming conventions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=2" title="Edit section: Naming conventions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Astronomical_naming_conventions#Minor_planets" title="Astronomical naming conventions">Astronomical naming conventions § Minor planets</a></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Minor_planet_count.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/18/Minor_planet_count.svg/290px-Minor_planet_count.svg.png" decoding="async" width="290" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/18/Minor_planet_count.svg/435px-Minor_planet_count.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/18/Minor_planet_count.svg/580px-Minor_planet_count.svg.png 2x" data-file-width="790" data-file-height="400" /></a><figcaption>Out of a total of more than 700,000 discovered minor planets, 66% have been numbered (green) and 34% remain unnumbered (red). Only a small fraction of 20,071 minor planets (3%) have been named (purple).<sup id="cite_ref-MPC-ArchiveStatistics_10-2" class="reference"><a href="#cite_note-MPC-ArchiveStatistics-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></figcaption></figure> <p>All <a href="/wiki/Astronomical_bodies" class="mw-redirect" title="Astronomical bodies">astronomical bodies</a> in the Solar System need a distinct designation. The <a href="/wiki/Astronomical_naming_conventions#Minor_planets" title="Astronomical naming conventions">naming of minor planets</a> runs through a three-step process. First, a provisional designation is given upon discovery—because the object still may turn out to be a false positive or <a href="/wiki/Lost_minor_planet" title="Lost minor planet">become lost later on</a>—called a <i>provisionally designated minor planet</i>. After the <a href="/wiki/Observation_arc" title="Observation arc">observation arc</a> is accurate enough to predict its future location, a minor planet is formally designated and receives a number. It is then a <i>numbered minor planet</i>. Finally, in the third step, it may be named by its discoverers. However, only a small fraction of all minor planets have been named. The vast majority are either numbered or have still only a provisional designation. Example of the naming process: </p> <ul><li><span class="nowrap">1932 HA</span> – provisional designation upon discovery on 24 April 1932</li> <li><span class="nowrap">(1862) 1932 HA</span> – formal designation, receives an official number</li> <li><a href="/wiki/1862_Apollo" title="1862 Apollo">1862 Apollo</a> – named minor planet, receives a name, the <a href="/wiki/Provisional_designation_in_astronomy#Minor_planets" title="Provisional designation in astronomy">alphanumeric code</a> is dropped</li></ul> <div class="mw-heading mw-heading3"><h3 id="Provisional_designation">Provisional designation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=3" title="Edit section: Provisional designation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Provisional_designation_in_astronomy" title="Provisional designation in astronomy">Provisional designation in astronomy</a></div> <p>A newly discovered minor planet is given a <a href="/wiki/Provisional_designation_in_astronomy" title="Provisional designation in astronomy">provisional designation</a>. For example, the provisional designation <span class="nowrap"><a href="/wiki/2002_AT4" title="2002 AT4">2002 AT<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span> consists of the year of discovery (2002) and an alphanumeric code indicating the half-month of discovery and the sequence within that half-month. Once an asteroid's orbit has been confirmed, it is given a number, and later may also be given a name (e.g. <a href="/wiki/433_Eros" title="433 Eros">433 Eros</a>). The formal naming convention uses parentheses around the number, but dropping the parentheses is quite common. Informally, it is common to drop the number altogether or to drop it after the first mention when a name is repeated in running text. </p><p>Minor planets that have been given a number but not a name keep their provisional designation, e.g. <a href="/wiki/(29075)_1950_DA" title="(29075) 1950 DA">(29075) 1950 DA</a>. Because modern discovery techniques are finding vast numbers of new asteroids, they are increasingly being left unnamed. The earliest discovered to be left unnamed was for a long time <a href="/wiki/(3360)_1981_VA" class="mw-redirect" title="(3360) 1981 VA">(3360) 1981 VA</a>, now <a href="/wiki/3360_Syrinx" title="3360 Syrinx">3360 Syrinx</a>. In November 2006 its position as the lowest-numbered unnamed asteroid passed to <span class="nowrap"><a href="/wiki/(3708)_1974_FV1" class="mw-redirect" title="(3708) 1974 FV1">(3708) 1974 FV<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span> (now <a href="/wiki/3708_Socus" title="3708 Socus">3708 Socus</a>), and in May 2021 to <span class="nowrap"><a href="/wiki/(4596)_1981_QB" class="mw-redirect" title="(4596) 1981 QB">(4596) 1981 QB</a></span>. On rare occasions, a small object's provisional designation may become used as a name in itself: the then-unnamed <span class="nowrap"><a href="/wiki/(15760)_1992_QB1" class="mw-redirect" title="(15760) 1992 QB1">(15760) 1992 QB<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span> gave its "name" to a group of objects that became known as <a href="/wiki/Classical_Kuiper_belt_object" title="Classical Kuiper belt object">classical Kuiper belt objects</a> ("cubewanos") before it was finally named <a href="/wiki/15760_Albion" title="15760 Albion">15760 Albion</a> in January 2018.<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> </p><p>A few objects are cross-listed as both comets and asteroids, such as <a href="/wiki/4015_Wilson%E2%80%93Harrington" title="4015 Wilson–Harrington">4015 Wilson–Harrington</a>, which is also listed as <a href="/wiki/107P/Wilson%E2%80%93Harrington" class="mw-redirect" title="107P/Wilson–Harrington">107P/Wilson–Harrington</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Numbering">Numbering</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=4" title="Edit section: Numbering"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Minor_planet_designation" class="mw-redirect" title="Minor planet designation">Minor planet designation</a></div> <p>Minor planets are awarded an official number once their orbits are confirmed. With the increasing rapidity of discovery, these are now six-figure numbers. The switch from five figures to six figures arrived with the publication of the <a href="/wiki/Minor_Planet_Circular" class="mw-redirect" title="Minor Planet Circular">Minor Planet Circular</a> (MPC) of October 19, 2005, which saw the highest-numbered minor planet jump from 99947 to 118161.<sup id="cite_ref-MPC-ArchiveStatistics_10-3" class="reference"><a href="#cite_note-MPC-ArchiveStatistics-10"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Naming">Naming</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=5" title="Edit section: Naming"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Name_conflicts_with_minor_planets" class="mw-redirect" title="Name conflicts with minor planets">Name conflicts with minor planets</a></div> <p>The first few asteroids were named after figures from <a href="/wiki/Greek_mythology" title="Greek mythology">Greek</a> and <a href="/wiki/Roman_mythology" title="Roman mythology">Roman mythology</a>, but as such names started to dwindle the names of famous people, literary characters, discoverers' spouses, children, colleagues, and even television characters were used. </p> <div class="mw-heading mw-heading4"><h4 id="Gender">Gender</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=6" title="Edit section: Gender"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dd>The first asteroid to be given a non-mythological name was <a href="/wiki/20_Massalia" title="20 Massalia">20 Massalia</a>, named after the Greek name for the city of <a href="/wiki/Marseille" title="Marseille">Marseille</a>.<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> The first to be given an entirely non-Classical name was <a href="/wiki/45_Eugenia" title="45 Eugenia">45 Eugenia</a>, named after Empress <a href="/wiki/Eug%C3%A9nie_de_Montijo" title="Eugénie de Montijo">Eugénie de Montijo</a>, the wife of <a href="/wiki/Napoleon_III" title="Napoleon III">Napoleon III</a>. For some time only female (or feminized) names were used; <a href="/wiki/Alexander_von_Humboldt" title="Alexander von Humboldt">Alexander von Humboldt</a> was the first man to have an asteroid named after him, but his name was feminized to <a href="/wiki/54_Alexandra" title="54 Alexandra">54 Alexandra</a>. This unspoken tradition lasted until <a href="/wiki/334_Chicago" title="334 Chicago">334 Chicago</a> was named; even then, female names showed up in the list for years after.</dd></dl> <div class="mw-heading mw-heading4"><h4 id="Eccentric">Eccentric</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=7" title="Edit section: Eccentric"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dd>As the number of asteroids began to run into the hundreds, and eventually, in the thousands, discoverers began to give them increasingly frivolous names. The first hints of this were <a href="/wiki/482_Petrina" title="482 Petrina">482 Petrina</a> and <a href="/wiki/483_Seppina" title="483 Seppina">483 Seppina</a>, named after the discoverer's pet dogs. However, there was little controversy about this until 1971, upon the naming of <a href="/wiki/2309_Mr._Spock" class="mw-redirect" title="2309 Mr. Spock">2309 Mr. Spock</a> (the name of the discoverer's cat). Although the <a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">IAU</a> subsequently discouraged the use of pet names as sources,<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> eccentric asteroid names are still being proposed and accepted, such as <a href="/wiki/4321_Zero" class="mw-redirect" title="4321 Zero">4321 Zero</a>, <a href="/wiki/6042_Cheshirecat" title="6042 Cheshirecat">6042 Cheshirecat</a>, <a href="/wiki/9007_James_Bond" class="mw-redirect" title="9007 James Bond">9007 James Bond</a>, <a href="/wiki/13579_Allodd" class="mw-redirect" title="13579 Allodd">13579 Allodd</a> and <a href="/wiki/24680_Alleven" class="mw-redirect" title="24680 Alleven">24680 Alleven</a>, and <a href="/wiki/26858_Misterrogers" title="26858 Misterrogers">26858 Misterrogers</a>.</dd></dl> <div class="mw-heading mw-heading4"><h4 id="Discoverer's_name"><span id="Discoverer.27s_name"></span>Discoverer's name</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=8" title="Edit section: Discoverer's name"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dd>A well-established rule is that, unlike comets, minor planets may not be named after their discoverer(s). One way to circumvent this rule has been for astronomers to exchange the courtesy of naming their discoveries after each other. Rare exceptions to this rule are <a href="/wiki/1927_Suvanto" title="1927 Suvanto">1927 Suvanto</a> and <a href="/wiki/96747_Crespodasilva" class="mw-redirect" title="96747 Crespodasilva">96747 Crespodasilva</a>. <a href="/wiki/1927_Suvanto" title="1927 Suvanto">1927 Suvanto</a> was named after its discoverer, <a href="/wiki/Rafael_Suvanto" title="Rafael Suvanto">Rafael Suvanto</a>, posthumously by the Minor Planet Center. He died four years after the discovery in the last days of the Finnish <a href="/wiki/Winter_war" class="mw-redirect" title="Winter war">winter war</a> of 1939-40.<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> <a href="/wiki/96747_Crespodasilva" class="mw-redirect" title="96747 Crespodasilva">96747 Crespodasilva</a> was named after its discoverer, <a href="/wiki/Lucy_d%27Escoffier_Crespo_da_Silva" class="mw-redirect" title="Lucy d'Escoffier Crespo da Silva">Lucy d'Escoffier Crespo da Silva</a>, because she died shortly after the discovery, at age 22.<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-26" class="reference"><a href="#cite_note-26"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup></dd></dl> <div class="mw-heading mw-heading4"><h4 id="Languages">Languages</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=9" title="Edit section: Languages"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dd>Names were adapted to various languages from the beginning. <a href="/wiki/1_Ceres" class="mw-redirect" title="1 Ceres">1 Ceres</a>, <i>Ceres</i> being its Anglo-Latin name, was actually named <i>Cerere</i>, the Italian form of the name. German, French, Arabic, and Hindi use forms similar to the English, whereas Russian uses a form, <i>Tserera</i>, similar to the Italian. In Greek, the name was translated to Δήμητρα (<a href="/wiki/Demeter" title="Demeter">Demeter</a>), the Greek equivalent of the Roman goddess Ceres. In the early years, before it started causing conflicts, asteroids named after Roman figures were generally translated in Greek; other examples are Ἥρα (<a href="/wiki/Hera" title="Hera">Hera</a>) for <a href="/wiki/3_Juno" title="3 Juno">3 Juno</a>, Ἑστία (<a href="/wiki/Hestia" title="Hestia">Hestia</a>) for <a href="/wiki/4_Vesta" title="4 Vesta">4 Vesta</a>, Χλωρίς (<a href="/wiki/Chloris" title="Chloris">Chloris</a>) for <a href="/wiki/8_Flora" title="8 Flora">8 Flora</a>, and Πίστη (<a href="/wiki/Pistis" title="Pistis">Pistis</a>) for <a href="/wiki/37_Fides" title="37 Fides">37 Fides</a>. In Chinese, the names are not given the Chinese forms of the deities they are named after, but rather typically have a syllable or two for the character of the deity or person, followed by 神 'god(dess)' or 女 'woman' if just one syllable, plus 星 'star/planet', so that most asteroid names are written with three Chinese characters. Thus Ceres is 穀神星 'grain goddess planet',<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup> Pallas is 智神星 'wisdom goddess planet', etc.<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. (July 2013)">citation needed</span></a></i>]</sup></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Physical_properties_of_comets_and_minor_planets">Physical properties of comets and minor planets</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=10" title="Edit section: Physical properties of comets and minor planets"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Commission 15<sup id="cite_ref-Commission15_28-0" class="reference"><a href="#cite_note-Commission15-28"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> of the <a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">International Astronomical Union</a> is dedicated to the Physical Study of Comets & Minor Planets. </p><p>Archival data on the physical properties of comets and minor planets are found in the PDS Asteroid/Dust Archive.<sup id="cite_ref-PDS_Asteroid/Dust_Archive_29-0" class="reference"><a href="#cite_note-PDS_Asteroid/Dust_Archive-29"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> This includes <a href="/wiki/Standard_asteroid_physical_characteristics" title="Standard asteroid physical characteristics">standard asteroid physical characteristics</a> such as the properties of binary systems, occultation timings and diameters, masses, densities, rotation periods, surface temperatures, albedoes, spin vectors, taxonomy, and absolute magnitudes and slopes. In addition, European Asteroid Research Node (E.A.R.N.), an association of asteroid research groups, maintains a Data Base of Physical and Dynamical Properties of Near Earth Asteroids.<sup id="cite_ref-EARN_30-0" class="reference"><a href="#cite_note-EARN-30"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Environmental_properties">Environmental properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=11" title="Edit section: Environmental properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Environmental characteristics have three aspects: space environment, surface environment and internal environment, including geological, optical, thermal and radiological environmental properties, etc., which are the basis for understanding the basic properties of minor planets, carrying out scientific research, and are also an important reference basis for designing the payload of exploration missions </p> <div class="mw-heading mw-heading3"><h3 id="Radiation_environment">Radiation environment</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=12" title="Edit section: Radiation environment"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Without the protection of an atmosphere and its own strong magnetic field, the minor planet's surface is directly exposed to the surrounding radiation environment. In the cosmic space where minor planets are located, the radiation on the surface of the planets can be divided into two categories according to their sources: one comes from the sun, including <a href="/wiki/Electromagnetic_radiation" title="Electromagnetic radiation">electromagnetic radiation</a> from the sun, and <a href="/wiki/Ionizing_radiation" title="Ionizing radiation">ionizing radiation</a> from the <a href="/wiki/Solar_wind" title="Solar wind">solar wind</a> and solar energy particles; the other comes from the sun outside the solar system, that is, <a href="/wiki/Galactic_cosmic_rays" class="mw-redirect" title="Galactic cosmic rays">galactic cosmic rays</a>, etc.<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> </p> <div class="mw-heading mw-heading3"><h3 id="Optical_environment">Optical environment</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=13" title="Edit section: Optical environment"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Usually during one rotation period of a minor planet, the <a href="/wiki/Albedo" title="Albedo">albedo</a> of a minor planet will change slightly due to its irregular shape and uneven distribution of material composition. This small change will be reflected in the periodic change of the planet's light curve, which can be observed by ground-based equipment, so as to obtain the planet's <a href="/wiki/Magnitude_(astronomy)" title="Magnitude (astronomy)">magnitude</a>, <a href="/wiki/Rotation_period" class="mw-redirect" title="Rotation period">rotation period</a>, rotation axis orientation, shape, albedo distribution, and scattering properties. Generally speaking, the <a href="/wiki/Albedo" title="Albedo">albedo</a> of minor planets is usually low, and the overall statistical distribution is bimodal, corresponding to C-type (average 0.035) and S-type (average 0.15) minor planets.<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> In the minor planet exploration mission, measuring the albedo and color changes of the planet surface is also the most basic method to directly know the difference in the material composition of the planet surface.<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> </p> <div class="mw-heading mw-heading3"><h3 id="Geological_environment">Geological environment</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=14" title="Edit section: Geological environment"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The geological environment on the surface of minor planets is similar to that of other unprotected celestial bodies, with the most widespread geomorphological feature present being impact craters: however, the fact that most minor planets are <a href="/wiki/Rubble_pile" title="Rubble pile">rubble pile</a> structures, which are loose and porous, gives the impact action on the surface of minor planets its unique characteristics. On highly porous minor planets, small impact events produce spatter blankets similar to common impact events: whereas large impact events are dominated by compaction and spatter blankets are difficult to form, and the longer the planets receive such large impacts, the greater the overall density.<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> In addition, statistical analysis of impact craters is an important means of obtaining information on the age of a planet surface. Although the Crater Size-Frequency Distribution (CSFD) method of dating commonly used on minor planet surfaces does not allow absolute ages to be obtained, it can be used to determine the relative ages of different geological bodies for comparison.<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> In addition to impact, there are a variety of other rich geological effects on the surface of minor planets,<sup id="cite_ref-36" class="reference"><a href="#cite_note-36"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> such as <a href="/wiki/Mass_wasting" title="Mass wasting">mass wasting</a> on slopes and impact crater walls,<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> large-scale linear features associated with <a href="/wiki/Graben" title="Graben">graben</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> and electrostatic transport of dust.<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> By analysing the various geological processes on the surface of minor planets, it is possible to learn about the possible internal activity at this stage and some of the key evolutionary information about the long-term interaction with the external environment, which may lead to some indication of the nature of the parent body's origin. Many of the larger planets are often covered by a layer of soil (<a href="/wiki/Regolith" title="Regolith">regolith</a>) of unknown thickness. Compared to other atmosphere-free bodies in the solar system (e.g. the <a href="/wiki/Moon" title="Moon">Moon</a>), minor planets have weaker gravity fields and are less capable of retaining fine-grained material, resulting in a somewhat larger surface soil layer size.<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> Soil layers are inevitably subject to intense space weathering that alters their physical and chemical properties due to direct exposure to the surrounding space environment. In silicate-rich soils, the outer layers of Fe are reduced to nano-phase Fe (np-Fe), which is the main product of <a href="/wiki/Space_weathering" title="Space weathering">space weathering</a>.<sup id="cite_ref-41" class="reference"><a href="#cite_note-41"><span class="cite-bracket">[</span>40<span class="cite-bracket">]</span></a></sup> For some small planets, their surfaces are more exposed as boulders of varying sizes, up to 100 metres in diameter, due to their weaker gravitational pull.<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> These <a href="/wiki/Boulder" title="Boulder">boulders</a> are of high scientific interest, as they may be either deeply buried material excavated by impact action or fragments of the planet's parent body that have survived. The rocks provide more direct and primitive information about the material inside the minor planet and the nature of its parent body than the soil layer, and the different colours and forms of the rocks indicate different sources of material on the surface of the minor planet or different evolutionary processes. </p> <div class="mw-heading mw-heading3"><h3 id="Magnetic_environment">Magnetic environment</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Minor_planet&action=edit&section=15" title="Edit section: Magnetic environment"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Usually in the interior of the planet, the convection of the conductive fluid will generate a large and strong <a href="/wiki/Magnetic_field" title="Magnetic field">magnetic field</a>. However, the size of a minor planet is generally small and most of the minor planets have a "crushed stone pile" structure, and there is basically no "dynamo" structure inside, so it will not generate a self-generated dipole magnetic field like the Earth. But some minor planets do have magnetic fields—on the one hand, some minor planets have remanent <a href="/wiki/Magnetism" title="Magnetism">magnetism</a>: if the parent body had a magnetic field or if the nearby planetary body has a strong magnetic field, the rocks on the parent body will be magnetised during the cooling process and the planet formed by the fission of the parent body will still retain remanence,<sup id="cite_ref-43" class="reference"><a href="#cite_note-43"><span class="cite-bracket">[</span>42<span class="cite-bracket">]</span></a></sup> which can also be detected in extraterrestrial meteorites from the minor planets;<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> on the other hand, if the minor planets are composed of electrically conductive material and their internal conductivity is similar to that of carbon- or iron-bearing meteorites, the interaction between the minor planets and the <a href="/wiki/Solar_wind" title="Solar wind">solar wind</a> is likely to be <a href="/wiki/Unipolar_induction" class="mw-redirect" title="Unipolar induction">unipolar induction</a>, resulting in an external magnetic field for the minor planet.<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> In addition, the magnetic fields of minor planets are not static; impact events, weathering in space and changes in the thermal environment can alter the existing magnetic fields of minor planets. At present, there are not many direct observations of minor planet magnetic fields, and the few existing planets detection projects generally carry magnetometers, with some targets such as <a href="/wiki/951_Gaspra" title="951 Gaspra">Gaspra</a><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> and Braille<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> measured to have strong magnetic fields nearby, while others such as Lutetia have no magnetic field.<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> </p> <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=Minor_planet&action=edit&section=16" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Groups_of_minor_planets" class="mw-redirect" title="Groups of minor planets">Groups of minor planets</a></li> <li><a href="/wiki/List_of_minor_planets" title="List of minor planets">List of minor planets</a></li> <li><a href="/wiki/Dwarf_planet" title="Dwarf planet">Dwarf planet</a></li> <li><a href="/wiki/Quasi-satellite" title="Quasi-satellite">Quasi-satellite</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/List_of_minor_planets_and_comets_visited_by_spacecraft" title="List of minor planets and comets visited by spacecraft">List of minor planets and comets visited by spacecraft</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=Minor_planet&action=edit&section=17" 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-dual-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-dual_1-0">^</a></b></span> <span class="reference-text">Objects (generally <a href="/wiki/Centaur_(minor_planet)" class="mw-redirect" title="Centaur (minor planet)">centaurs</a>) that were originally discovered and classified as minor planets but were later discovered to be comets are listed both as minor planets and comets. Objects that are first discovered as comets are not dually classified.</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=Minor_planet&action=edit&section=18" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-res-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-res_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-res_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-res_2-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.iau.org/news/pressreleases/detail/iau0603/">Press release, IAU 2006 General Assembly: Result of the IAU Resolution votes</a>, International Astronomical Union, August 24, 2006. Accessed May 5, 2008.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</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 news cs1"><a rel="nofollow" class="external text" href="http://www.iau.org/static/resolutions/Resolution_GA26-5-6.pdf">"IAU 2006 General Assembly: Resolutions 5 and 6"</a> <span class="cs1-format">(PDF)</span>. IAU. 2006-08-24.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=IAU+2006+General+Assembly%3A+Resolutions+5+and+6&rft.date=2006-08-24&rft_id=http%3A%2F%2Fwww.iau.org%2Fstatic%2Fresolutions%2FResolution_GA26-5-6.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMinor+planet" class="Z3988"></span></span> </li> <li id="cite_note-MPC-Latest-Published-Data-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-MPC-Latest-Published-Data_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://minorplanetcenter.net/mpc/summary">"Latest Published Data"</a>. Minor Planet Center. 1 June 2021<span class="reference-accessdate">. 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Marsden, <i>Journal of Astronomical History and Heritage</i> <b>10</b>, #1 (2007), pp. 21–30. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2007JAHH...10...21H/abstract">2007JAHH...10...21H</a></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text">Mike Brown, 2012. <i><a href="/wiki/How_I_Killed_Pluto_and_Why_It_Had_It_Coming" title="How I Killed Pluto and Why It Had It Coming">How I Killed Pluto and Why It Had It Coming</a></i></span> </li> <li id="cite_note-encarta-8"><span class="mw-cite-backlink">^ <a href="#cite_ref-encarta_8-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-encarta_8-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-encarta_8-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text">"<a rel="nofollow" class="external text" href="https://encarta.msn.com/encyclopedia_761551567/asteroid.html">Asteroid</a>", <i>MSN Encarta</i>, Microsoft. Accessed May 5, 2008. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20091028072513/http://encarta.msn.com/encyclopedia_761551567/Asteroid.html">Archived</a> 2009-11-01.</span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.iau.org/public/themes/pluto/">Questions and Answers on Planets</a>, additional information, news release IAU0603, IAU 2006 General Assembly: Result of the IAU Resolution votes, <a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">International Astronomical Union</a>, August 24, 2006. Accessed May 8, 2008.</span> </li> <li id="cite_note-MPC-ArchiveStatistics-10"><span class="mw-cite-backlink">^ <a href="#cite_ref-MPC-ArchiveStatistics_10-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-MPC-ArchiveStatistics_10-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-MPC-ArchiveStatistics_10-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-MPC-ArchiveStatistics_10-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/iau/lists/ArchiveStatistics.html">"Minor Planet Statistics – Orbits And Names"</a>. Minor Planet Center. 28 October 2018<span class="reference-accessdate">. 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(2004). <a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.1365-2966.2004.08240.x">"Simulations of the Population of Centaurs I: The Bulk Statistics"</a>. <i><a href="/wiki/Monthly_Notices_of_the_Royal_Astronomical_Society" title="Monthly Notices of the Royal Astronomical Society">Monthly Notices of the Royal Astronomical Society</a></i>. <b>354</b> (3): 798–810. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/astro-ph/0407400">astro-ph/0407400</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2004MNRAS.354..798H">2004MNRAS.354..798H</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.1365-2966.2004.08240.x">10.1111/j.1365-2966.2004.08240.x</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:16002759">16002759</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Monthly+Notices+of+the+Royal+Astronomical+Society&rft.atitle=Simulations+of+the+Population+of+Centaurs+I%3A+The+Bulk+Statistics&rft.volume=354&rft.issue=3&rft.pages=798-810&rft.date=2004&rft_id=info%3Aarxiv%2Fastro-ph%2F0407400&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A16002759%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1111%2Fj.1365-2966.2004.08240.x&rft_id=info%3Abibcode%2F2004MNRAS.354..798H&rft.aulast=Horner&rft.aufirst=J.&rft.au=Evans%2C+N.W.&rft.au=Bailey%2C+M.+E.&rft_id=https%3A%2F%2Fdoi.org%2F10.1111%252Fj.1365-2966.2004.08240.x&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMinor+planet" class="Z3988"></span></span> </li> <li id="cite_note-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-19">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.dtm.ciw.edu/users/sheppard/trojans/">Neptune trojans, Jupiter trojans</a></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/">"Running Tallies – Minor Planets Discovered"</a>. <i>IAU Minor Planet Center</i><span class="reference-accessdate">. Retrieved <span class="nowrap">19 August</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=IAU+Minor+Planet+Center&rft.atitle=Running+Tallies+%E2%80%93+Minor+Planets+Discovered&rft_id=http%3A%2F%2Fwww.minorplanetcenter.net%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMinor+planet" class="Z3988"></span></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDr._David_Jewitt" class="citation web cs1">Dr. David Jewitt. <a rel="nofollow" class="external text" href="http://www2.ess.ucla.edu/~jewitt/kb/def_classical.html">"Classical Kuiper Belt Objects"</a>. David Jewitt/UCLA<span class="reference-accessdate">. Retrieved <span class="nowrap">July 1,</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Classical+Kuiper+Belt+Objects&rft.pub=David+Jewitt%2FUCLA&rft.au=Dr.+David+Jewitt&rft_id=http%3A%2F%2Fwww2.ess.ucla.edu%2F~jewitt%2Fkb%2Fdef_classical.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMinor+planet" class="Z3988"></span></span> </li> <li id="cite_note-22"><span class="mw-cite-backlink"><b><a href="#cite_ref-22">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchmadel2012" class="citation book cs1">Schmadel, Lutz (10 June 2012). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=aeAg1X7afOoC&pg=PA15"><i>Dictionary of Minor Planet Names</i></a> (6 ed.). Springer. p. 15. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/9783642297182" title="Special:BookSources/9783642297182"><bdi>9783642297182</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Dictionary+of+Minor+Planet+Names&rft.pages=15&rft.edition=6&rft.pub=Springer&rft.date=2012-06-10&rft.isbn=9783642297182&rft.aulast=Schmadel&rft.aufirst=Lutz&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DaeAg1X7afOoC%26pg%3DPA15&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMinor+planet" class="Z3988"></span></span> </li> <li id="cite_note-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-23">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.iau.org/public/naming">"Naming Astronomical Objects"</a>. 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Retrieved <span class="nowrap">July 1,</span> 2013</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Naming+Astronomical+Objects&rft.pub=International+Astronomical+Union&rft_id=http%3A%2F%2Fwww.iau.org%2Fpublic%2Fnaming&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMinor+planet" class="Z3988"></span></span> </li> <li id="cite_note-24"><span class="mw-cite-backlink"><b><a href="#cite_ref-24">^</a></b></span> <span class="reference-text"><a href="/wiki/NASA" title="NASA">NASA</a> <a href="/wiki/JPL" class="mw-redirect" title="JPL">JPL</a> Small-Body Database Browser on <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=1927+Suvanto">1927 Suvanto</a></span> </li> <li id="cite_note-25"><span class="mw-cite-backlink"><b><a href="#cite_ref-25">^</a></b></span> <span class="reference-text"><a href="/wiki/NASA" title="NASA">NASA</a> <a href="/wiki/JPL" class="mw-redirect" title="JPL">JPL</a> Small-Body Database Browser on <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=96747+Crespodasilva">96747 Crespodasilva</a></span> </li> <li id="cite_note-26"><span class="mw-cite-backlink"><b><a href="#cite_ref-26">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFStaff2000" class="citation news cs1">Staff (November 28, 2000). <a rel="nofollow" class="external text" href="http://hubblesite.org/newscenter/newsdesk/archive/releases/1991/12/text/">"Lucy Crespo da Silva, 22, a senior, dies in fall"</a>. 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Retrieved <span class="nowrap">2008-04-15</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.atitle=Lucy+Crespo+da+Silva%2C+22%2C+a+senior%2C+dies+in+fall&rft.date=2000-11-28&rft.au=Staff&rft_id=http%3A%2F%2Fhubblesite.org%2Fnewscenter%2Fnewsdesk%2Farchive%2Freleases%2F1991%2F12%2Ftext%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMinor+planet" class="Z3988"></span></span> </li> <li id="cite_note-27"><span class="mw-cite-backlink"><b><a href="#cite_ref-27">^</a></b></span> <span class="reference-text">谷 'valley' being a common abbreviation of 穀 'grain' that would be formally adopted with <a href="/wiki/Simplified_Chinese_characters" title="Simplified Chinese characters">simplified Chinese characters</a>.</span> </li> <li id="cite_note-Commission15-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-Commission15_28-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20090514134159/http://www.iau.org/science/scientific_bodies/commissions/15/">"Division III Commission 15 Physical Study of Comets & Minor Planets"</a>. <a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">International Astronomical Union</a> (IAU). 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Retrieved <span class="nowrap">2010-03-22</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Division+III+Commission+15+Physical+Study+of+Comets+%26+Minor+Planets&rft.pub=International+Astronomical+Union+%28IAU%29&rft.date=2005-09-29&rft_id=http%3A%2F%2Fwww.iau.org%2Fscience%2Fscientific_bodies%2Fcommissions%2F15&rfr_id=info%3Asid%2Fen.wikipedia.org%3AMinor+planet" class="Z3988"></span></span> </li> <li id="cite_note-PDS_Asteroid/Dust_Archive-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-PDS_Asteroid/Dust_Archive_29-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.psi.edu/pds/archive/physical.html">"Physical Properties of Asteroids"</a>. <i>Planetary Data System</i>. 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href="https://elib.dlr.de/73216/1/2011_richter__umm_lutetia_pss.pdf">"Magnetic field measurements during the ROSETTA flyby at asteroid (21) Lutetia"</a> <span class="cs1-format">(PDF)</span>. <i>Planetary and Space Science</i>. <b>66</b> (1): 155–164. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2012P&SS...66..155R">2012P&SS...66..155R</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.pss.2011.08.009">10.1016/j.pss.2011.08.009</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:56091003">56091003</a>.</cite><span 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aria-labelledby="Small_Solar_System_bodies" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Small_Solar_System_bodies" title="Template:Small Solar System bodies"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Small_Solar_System_bodies" title="Template talk:Small Solar System bodies"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Small_Solar_System_bodies" title="Special:EditPage/Template:Small Solar System bodies"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Small_Solar_System_bodies" style="font-size:114%;margin:0 4em"><a href="/wiki/Small_Solar_System_body" title="Small Solar System body">Small Solar System bodies</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Minor planets</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><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Minor-planet_designation" title="Minor-planet designation">Designation</a></li> <li><a href="/wiki/List_of_minor-planet_groups" title="List of minor-planet groups">Groups</a></li> <li><a href="/wiki/List_of_minor_planets" title="List of minor planets">List</a></li> <li><a href="/wiki/Minor-planet_moon" title="Minor-planet moon">Moon</a></li> <li><a href="/wiki/Meanings_of_minor-planet_names" title="Meanings of minor-planet names">Meanings of names</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Asteroid" title="Asteroid">Asteroid</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Active_asteroid" title="Active asteroid">Active</a></li> <li><a href="/wiki/Aten_asteroid" title="Aten asteroid">Aten asteroid</a></li> <li><a href="/wiki/Asteroid_belt" title="Asteroid belt">Asteroid belt</a></li> <li><a href="/wiki/Asteroid_family" title="Asteroid family">Family</a></li> <li><a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter trojan</a></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth</a></li> <li><a href="/wiki/Asteroid_spectral_types" title="Asteroid spectral types">Spectral types</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Distant_minor_planet" title="Distant minor planet">Distant minor planet</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li><a href="/wiki/Centaur_(small_Solar_System_body)" title="Centaur (small Solar System body)">Centaur</a></li> <li><a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune trojan</a></li></ul></li> <li><a href="/wiki/Damocloid" title="Damocloid">Damocloid</a></li> <li><a href="/wiki/Trans-Neptunian_object" title="Trans-Neptunian object">Trans-Neptunian object</a> <ul><li><a href="/wiki/Detached_object" title="Detached object">Detached</a></li> <li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Comet" title="Comet">Comets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Extinct_comet" title="Extinct comet">Extinct</a></li> <li><a href="/wiki/Great_comet" title="Great comet">Great</a></li> <li><a href="/wiki/List_of_Halley-type_comets" title="List of Halley-type comets">Halley-type</a></li> <li><a href="/wiki/List_of_hyperbolic_comets" title="List of hyperbolic comets">Hyperbolic</a></li> <li><a href="/wiki/List_of_long-period_comets" title="List of long-period comets">Long-period</a></li> <li><a href="/wiki/Lost_comet" title="Lost comet">Lost</a></li> <li><a href="/wiki/List_of_near-parabolic_comets" title="List of near-parabolic comets">Near-parabolic</a></li> <li><a href="/wiki/List_of_periodic_comets" title="List of periodic comets">Periodic</a></li> <li><a href="/wiki/Sungrazing_comet" title="Sungrazing comet">Sungrazing</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cosmic_dust" title="Cosmic dust">Cosmic dust</a></li> <li><a href="/wiki/Meteoroid" title="Meteoroid">Meteoroids</a></li> <li><a href="/wiki/Space_debris" title="Space debris">Space debris</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Solar_System" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align:center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Solar_System" title="Template:Solar System"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Solar_System" title="Template talk:Solar System"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Solar_System" title="Special:EditPage/Template:Solar System"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Solar_System" style="font-size:114%;margin:0 4em"><a href="/wiki/Solar_System" title="Solar System">Solar System</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align:center;"><div><figure class="mw-default-size noresize" typeof="mw:File"><span><img alt="The Sun, the planets, their moons, and several trans-Neptunian objects" src="//upload.wikimedia.org/wikipedia/commons/4/43/Solar_System_Template_2.png" decoding="async" width="666" height="36" class="mw-file-element" data-file-width="666" data-file-height="36" usemap="#ImageMap_95c11910eb0c3136" /></span><map name="ImageMap_95c11910eb0c3136"><area href="/wiki/Sun" shape="rect" coords="0,0,90,35" alt="The Sun" title="The Sun" /><area href="/wiki/Mercury_(planet)" shape="circle" coords="112,18,6" alt="Mercury" title="Mercury" /><area href="/wiki/Venus" shape="circle" coords="153,18,8" alt="Venus" title="Venus" /><area href="/wiki/Moon" shape="circle" coords="204,10,4" alt="The Moon" title="The Moon" /><area href="/wiki/Earth" shape="circle" coords="195,18,8" alt="Earth" title="Earth" /><area href="/wiki/Mars" shape="circle" coords="233,18,8" alt="Mars" title="Mars" /><area href="/wiki/Moons_of_Mars" shape="circle" coords="241,13,3" alt="Phobos and Deimos" title="Phobos and Deimos" /><area href="/wiki/Ceres_(dwarf_planet)" shape="circle" coords="271,18,5" alt="Ceres" title="Ceres" /><area href="/wiki/Asteroid_belt" shape="rect" coords="256,0,288,35" alt="The main asteroid belt" title="The main asteroid belt" /><area href="/wiki/Jupiter" shape="circle" coords="316,19,15" alt="Jupiter" title="Jupiter" /><area href="/wiki/Moons_of_Jupiter" shape="circle" coords="329,6,6" alt="Moons of Jupiter" title="Moons of Jupiter" /><area href="/wiki/Rings_of_Jupiter" shape="rect" coords="298,18,335,20" alt="Rings of Jupiter" title="Rings of Jupiter" /><area href="/wiki/Saturn" shape="circle" coords="372,18,12" alt="Saturn" title="Saturn" /><area href="/wiki/Moons_of_Saturn" shape="circle" coords="381,7,6" alt="Moons of Saturn" title="Moons of Saturn" /><area href="/wiki/Rings_of_Saturn" shape="rect" coords="353,5,389,31" alt="Rings of Saturn" title="Rings of Saturn" /><area href="/wiki/Uranus" shape="circle" coords="418,18,12" alt="Uranus" title="Uranus" /><area href="/wiki/Moons_of_Uranus" shape="circle" coords="427,10,6" alt="Moons of Uranus" title="Moons of Uranus" /><area href="/wiki/Rings_of_Uranus" shape="rect" coords="408,4,429,34" alt="Rings of Uranus" title="Rings of Uranus" /><area href="/wiki/Neptune" shape="circle" coords="462,18,12" alt="Neptune" title="Neptune" /><area href="/wiki/Moons_of_Neptune" shape="circle" coords="471,10,5" alt="Moons of Neptune" title="Moons of Neptune" /><area href="/wiki/Rings_of_Neptune" shape="rect" coords="441,9,485,28" alt="Rings of Neptune" title="Rings of Neptune" /><area href="/wiki/Pluto" shape="circle" coords="504,18,12" alt="Pluto" title="Pluto" /><area href="/wiki/Moons_of_Pluto" shape="circle" coords="510,13,8" alt="Moons of Pluto" title="Moons of Pluto" /><area href="/wiki/Haumea" shape="circle" coords="534,18,12" alt="Haumea" title="Haumea" /><area href="/wiki/Moons_of_Haumea" shape="circle" coords="540,13,8" alt="Moons of Haumea" title="Moons of Haumea" /><area href="/wiki/Makemake" shape="circle" coords="567,18,12" alt="Makemake" title="Makemake" /><area href="/wiki/S/2015_(136472)_1" shape="circle" coords="571,13,8" alt="S/2015 (136472) 1" title="S/2015 (136472) 1" /><area href="/wiki/Kuiper_belt" shape="rect" coords="490,0,580,35" alt="The Kuiper Belt" title="The Kuiper Belt" /><area href="/wiki/Eris_(dwarf_planet)" shape="circle" coords="596,18,12" alt="Eris" title="Eris" /><area href="/wiki/Dysnomia_(moon)" shape="circle" coords="602,13,8" alt="Dysnomia" title="Dysnomia" /><area href="/wiki/Scattered_disc" shape="rect" coords="581,0,610,35" alt="The Scattered Disc" title="The Scattered Disc" /><area href="/wiki/Hills_cloud" shape="rect" coords="623,0,640,35" alt="The Hills Cloud" title="The Hills Cloud" /><area href="/wiki/Oort_cloud" shape="rect" coords="641,0,666,35" alt="The Oort Cloud" title="The Oort Cloud" /></map><figcaption></figcaption></figure> <ul><li><a href="/wiki/Sun" title="Sun">Sun</a></li> <li><a href="/wiki/Mercury_(planet)" title="Mercury (planet)">Mercury</a></li> <li><a href="/wiki/Venus" title="Venus">Venus</a></li> <li><a href="/wiki/Earth" title="Earth">Earth</a></li> <li><a href="/wiki/Mars" title="Mars">Mars</a></li> <li><i><a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a></i></li> <li><a href="/wiki/Jupiter" title="Jupiter">Jupiter</a></li> <li><a href="/wiki/Saturn" title="Saturn">Saturn</a></li> <li><a href="/wiki/Uranus" title="Uranus">Uranus</a></li> <li><a href="/wiki/Neptune" title="Neptune">Neptune</a></li> <li><i><a href="/wiki/Orcus_(dwarf_planet)" title="Orcus (dwarf planet)">Orcus</a></i></li> <li><i><a href="/wiki/Pluto" title="Pluto">Pluto</a></i></li> <li><i><a href="/wiki/Haumea" title="Haumea">Haumea</a></i></li> <li><i><a href="/wiki/Quaoar" title="Quaoar">Quaoar</a></i></li> <li><i><a href="/wiki/Makemake" title="Makemake">Makemake</a></i></li> <li><i><a href="/wiki/Gonggong_(dwarf_planet)" title="Gonggong (dwarf planet)">Gonggong</a></i></li> <li><i><a href="/wiki/Eris_(dwarf_planet)" title="Eris (dwarf planet)">Eris</a></i></li> <li><i><a href="/wiki/Sedna_(dwarf_planet)" title="Sedna (dwarf planet)">Sedna</a></i></li></ul></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0;background:transparent;color:inherit;"><div style="padding:0px"><table class="navbox-columns-table" style="border-spacing: 0px; text-align:left;width:100%;"><tbody><tr style="vertical-align:top"><td class="navbox-list" style="padding:0px;width:50%;"><div> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th id="Planets,dwarfs" scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Planet" title="Planet">Planets</a>,<br /><a href="/wiki/Dwarf_planet" title="Dwarf planet">dwarfs</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Terrestrial_planet" title="Terrestrial planet">Terrestrials</a> <ul><li><a href="/wiki/Mercury_(planet)" title="Mercury (planet)">Mercury</a></li> <li><a href="/wiki/Venus" title="Venus">Venus</a></li> <li><a href="/wiki/Earth" title="Earth">Earth</a></li> <li><a href="/wiki/Mars" title="Mars">Mars</a></li></ul></li> <li><a href="/wiki/Giant_planet" title="Giant planet">Giants</a> <ul><li><a href="/wiki/Gas_giant" title="Gas giant">Gas</a> <ul><li><a href="/wiki/Jupiter" title="Jupiter">Jupiter</a></li> <li><a href="/wiki/Saturn" title="Saturn">Saturn</a></li></ul></li> <li><a href="/wiki/Ice_giant" title="Ice giant">Ice</a> <ul><li><a href="/wiki/Uranus" title="Uranus">Uranus</a></li> <li><a href="/wiki/Neptune" title="Neptune">Neptune</a></li></ul></li></ul></li> <li><a href="/wiki/Dwarf_planet" title="Dwarf planet">Dwarfs</a> <ul><li><a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a></li> <li><a href="/wiki/Orcus_(dwarf_planet)" title="Orcus (dwarf planet)">Orcus</a></li> <li><a href="/wiki/Pluto" title="Pluto">Pluto</a></li> <li><a href="/wiki/Haumea" title="Haumea">Haumea</a></li> <li><a href="/wiki/Quaoar" title="Quaoar">Quaoar</a></li> <li><a href="/wiki/Makemake" title="Makemake">Makemake</a></li> <li><a href="/wiki/Gonggong_(dwarf_planet)" title="Gonggong (dwarf planet)">Gonggong</a></li> <li><a href="/wiki/Eris_(dwarf_planet)" title="Eris (dwarf planet)">Eris</a></li> <li><a href="/wiki/Sedna_(dwarf_planet)" title="Sedna (dwarf planet)">Sedna</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Natural_satellite" title="Natural satellite">Moons</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Earth <ul><li><a href="/wiki/Moon" title="Moon">Moon</a></li> <li><a href="/wiki/Claimed_moons_of_Earth" title="Claimed moons of Earth">other near-Earth objects</a></li></ul></li> <li><a href="/wiki/Moons_of_Mars" title="Moons of Mars">Mars</a> <ul><li><a href="/wiki/Phobos_(moon)" title="Phobos (moon)">Phobos</a></li> <li><a href="/wiki/Deimos_(moon)" title="Deimos (moon)">Deimos</a></li></ul></li> <li><a href="/wiki/Moons_of_Jupiter" title="Moons of Jupiter">Jupiter</a> <ul><li><a href="/wiki/Ganymede_(moon)" title="Ganymede (moon)">Ganymede</a></li> <li><a href="/wiki/Callisto_(moon)" title="Callisto (moon)">Callisto</a></li> <li><a href="/wiki/Io_(moon)" title="Io (moon)">Io</a></li> <li><a href="/wiki/Europa_(moon)" title="Europa (moon)">Europa</a></li> <li><a href="/wiki/Moons_of_Jupiter#List" title="Moons of Jupiter">all 95</a></li></ul></li> <li><a href="/wiki/Moons_of_Saturn" title="Moons of Saturn">Saturn</a> <ul><li><a href="/wiki/Titan_(moon)" title="Titan (moon)">Titan</a></li> <li><a href="/wiki/Rhea_(moon)" title="Rhea (moon)">Rhea</a></li> <li><a href="/wiki/Iapetus_(moon)" title="Iapetus (moon)">Iapetus</a></li> <li><a href="/wiki/Dione_(moon)" title="Dione (moon)">Dione</a></li> <li><a href="/wiki/Tethys_(moon)" title="Tethys (moon)">Tethys</a></li> <li><a href="/wiki/Enceladus" title="Enceladus">Enceladus</a></li> <li><a href="/wiki/Mimas" title="Mimas">Mimas</a></li> <li><a href="/wiki/Hyperion_(moon)" title="Hyperion (moon)">Hyperion</a></li> <li><a href="/wiki/Phoebe_(moon)" title="Phoebe (moon)">Phoebe</a></li> <li><a href="/wiki/Moons_of_Saturn#List" title="Moons of Saturn">all 146</a></li></ul></li> <li><a href="/wiki/Moons_of_Uranus" title="Moons of Uranus">Uranus</a> <ul><li><a href="/wiki/Titania_(moon)" title="Titania (moon)">Titania</a></li> <li><a href="/wiki/Oberon_(moon)" title="Oberon (moon)">Oberon</a></li> <li><a href="/wiki/Umbriel" title="Umbriel">Umbriel</a></li> <li><a href="/wiki/Ariel_(moon)" title="Ariel (moon)">Ariel</a></li> <li><a href="/wiki/Miranda_(moon)" title="Miranda (moon)">Miranda</a></li> <li><a href="/wiki/Moons_of_Uranus#List" title="Moons of Uranus">all 28</a></li></ul></li> <li><a href="/wiki/Moons_of_Neptune" title="Moons of Neptune">Neptune</a> <ul><li><a href="/wiki/Triton_(moon)" title="Triton (moon)">Triton</a></li> <li><a href="/wiki/Proteus_(moon)" title="Proteus (moon)">Proteus</a></li> <li><a href="/wiki/Nereid_(moon)" title="Nereid (moon)">Nereid</a></li> <li><a href="/wiki/Moons_of_Neptune#List" title="Moons of Neptune">all 16</a></li></ul></li> <li><a href="/wiki/Orcus_(dwarf_planet)" title="Orcus (dwarf planet)">Orcus</a> <ul><li><a href="/wiki/Vanth_(moon)" title="Vanth (moon)">Vanth</a></li></ul></li> <li><a href="/wiki/Moons_of_Pluto" title="Moons of Pluto">Pluto</a> <ul><li><a href="/wiki/Charon_(moon)" title="Charon (moon)">Charon</a></li> <li><a href="/wiki/Nix_(moon)" title="Nix (moon)">Nix</a></li> <li><a href="/wiki/Hydra_(moon)" title="Hydra (moon)">Hydra</a></li> <li><a href="/wiki/Kerberos_(moon)" title="Kerberos (moon)">Kerberos</a></li> <li><a href="/wiki/Styx_(moon)" title="Styx (moon)">Styx</a></li></ul></li> <li><a href="/wiki/Moons_of_Haumea" title="Moons of Haumea">Haumea</a> <ul><li><a href="/wiki/Hi%CA%BBiaka_(moon)" title="Hiʻiaka (moon)">Hiʻiaka</a></li> <li><a href="/wiki/Namaka_(moon)" title="Namaka (moon)">Namaka</a></li></ul></li> <li><a href="/wiki/Quaoar" title="Quaoar">Quaoar</a> <ul><li><a href="/wiki/Weywot" title="Weywot">Weywot</a></li></ul></li> <li><a href="/wiki/Makemake" title="Makemake">Makemake</a> <ul><li><a href="/wiki/S/2015_(136472)_1" title="S/2015 (136472) 1">S/2015 (136472) 1</a></li></ul></li> <li><a href="/wiki/Gonggong_(dwarf_planet)" title="Gonggong (dwarf planet)">Gonggong</a> <ul><li><a href="/wiki/Xiangliu_(moon)" title="Xiangliu (moon)">Xiangliu</a></li></ul></li> <li><a href="/wiki/Eris_(dwarf_planet)" title="Eris (dwarf planet)">Eris</a> <ul><li><a href="/wiki/Dysnomia_(moon)" title="Dysnomia (moon)">Dysnomia</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Ring_system" title="Ring system">Rings</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/Rings_of_Earth" title="Rings of Earth">Earth</a>?</li> <li><a href="/wiki/Rings_of_Jupiter" title="Rings of Jupiter">Jovian</a></li> <li><a href="/wiki/Rings_of_Saturn" title="Rings of Saturn">Saturnian</a> (<a href="/wiki/Rings_of_Rhea" title="Rings of Rhea">Rhean</a>?)</li> <li><a href="/wiki/Rings_of_Chariklo" title="Rings of Chariklo">Charikloan</a></li> <li><a href="/wiki/2060_Chiron#Rings" title="2060 Chiron">Chironean</a></li> <li><a href="/wiki/Rings_of_Uranus" title="Rings of Uranus">Uranian</a></li> <li><a href="/wiki/Rings_of_Neptune" title="Rings of Neptune">Neptunian</a></li> <li><a href="/wiki/Haumea#Ring" title="Haumea">Haumean</a></li> <li><a href="/wiki/Quaoar#Rings" title="Quaoar">Quaoarian</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align:center;"><a href="/wiki/Small_Solar_System_body" title="Small Solar System body">Small<br />Solar<br />System<br />bodies</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Comet" title="Comet">Comets</a></li> <li><a href="/wiki/Damocloid" title="Damocloid">Damocloids</a></li> <li><a href="/wiki/Meteoroid" title="Meteoroid">Meteoroids</a></li> <li><a class="mw-selflink selflink">Minor planets</a> <ul><li><a href="/wiki/Meanings_of_minor-planet_names" title="Meanings of minor-planet names">names and meanings</a></li> <li><a href="/wiki/Minor-planet_moon" title="Minor-planet moon">moons</a></li></ul></li> <li><a href="/wiki/Planetesimal" title="Planetesimal">Planetesimal</a></li> <li>Planetary orbit-crossing minor planets <ul><li><a href="/wiki/List_of_Mercury-crossing_minor_planets" title="List of Mercury-crossing minor planets">Mercury</a></li> <li><a href="/wiki/List_of_Venus-crossing_minor_planets" title="List of Venus-crossing minor planets">Venus</a></li> <li><a href="/wiki/List_of_Earth-crossing_asteroids" title="List of Earth-crossing asteroids">Earth</a></li> <li><a href="/wiki/List_of_Mars-crossing_minor_planets" title="List of Mars-crossing minor planets">Mars</a></li> <li><a href="/wiki/List_of_Jupiter-crossing_minor_planets" title="List of Jupiter-crossing minor planets">Jupiter</a></li> <li><a href="/wiki/List_of_Saturn-crossing_minor_planets" title="List of Saturn-crossing minor planets">Saturn</a></li> <li><a href="/wiki/List_of_Uranus-crossing_minor_planets" title="List of Uranus-crossing minor planets">Uranus</a></li> <li><a href="/wiki/List_of_Neptune-crossing_minor_planets" title="List of Neptune-crossing minor planets">Neptune</a></li></ul></li> <li><a href="/wiki/Trojan_(celestial_body)" title="Trojan (celestial body)">Trojans</a> <ul><li><a href="/wiki/2013_ND15" title="2013 ND15">Venus</a></li> <li><a href="/wiki/Earth_trojan" title="Earth trojan">Earth</a></li> <li><a href="/wiki/Mars_trojan" title="Mars trojan">Mars</a></li> <li><a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter</a> <ul><li><a href="/wiki/List_of_Jupiter_trojans_(Trojan_camp)" title="List of Jupiter trojans (Trojan camp)">Trojan camp</a></li> <li><a href="/wiki/List_of_Jupiter_trojans_(Greek_camp)" title="List of Jupiter trojans (Greek camp)">Greek camp</a></li></ul></li> <li><a href="/wiki/Co-orbital_configuration#Trojan_moons" title="Co-orbital configuration">Saturn Moons</a></li> <li><a href="/wiki/Uranus_trojans" title="Uranus trojans">Uranus</a></li> <li><a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune</a></li></ul></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth objects</a></li> <li><a href="/wiki/Asteroid_belt" title="Asteroid belt">Asteroid belt</a></li> <li><a href="/wiki/Asteroid" title="Asteroid">Asteroids</a> <ul><li><a href="/wiki/Ceres_(dwarf_planet)" title="Ceres (dwarf planet)">Ceres</a></li> <li><a href="/wiki/4_Vesta" title="4 Vesta">Vesta</a></li> <li><a href="/wiki/2_Pallas" title="2 Pallas">Pallas</a></li> <li><a href="/wiki/10_Hygiea" title="10 Hygiea">Hygiea</a></li> <li><a href="/wiki/Active_asteroid" title="Active asteroid">active</a></li> <li><a href="/wiki/List_of_minor_planets:_1%E2%80%931000" title="List of minor planets: 1–1000">first 1000</a></li> <li><a href="/wiki/Asteroid_family" title="Asteroid family">families</a></li> <li><a href="/wiki/Potentially_hazardous_object" title="Potentially hazardous object">PHA</a></li> <li><a href="/wiki/List_of_exceptional_asteroids" title="List of exceptional asteroids">exceptional</a></li></ul></li> <li><a href="/wiki/Kirkwood_gap" title="Kirkwood gap">Kirkwood gap</a> <ul><li><a href="/wiki/Centaur_(small_Solar_System_body)" title="Centaur (small Solar System body)">Centaurs</a></li> <li><a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune trojans</a></li></ul></li> <li><a href="/wiki/Trans-Neptunian_object" title="Trans-Neptunian object">Trans-Neptunian objects</a> <ul><li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a> <ul><li><a href="/wiki/Classical_Kuiper_belt_object" title="Classical Kuiper belt object">Cubewanos</a></li> <li><a href="/wiki/Plutino" title="Plutino">Plutinos</a></li></ul></li> <li><a href="/wiki/Detached_object" title="Detached object">Detached objects</a></li> <li><a href="/wiki/Sednoid" title="Sednoid">Sednoids</a></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li></ul></li> <li><a href="/wiki/Hills_cloud" title="Hills cloud">Hills cloud</a></li></ul> </div></td></tr></tbody></table><div> </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;width:50%;"><div> </div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/List_of_hypothetical_Solar_System_objects" title="List of hypothetical Solar System objects">Hypothetical <br />objects</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Five-planet_Nice_model" title="Five-planet Nice model">Fifth giant</a></li> <li><a href="/wiki/Nemesis_(hypothetical_star)" title="Nemesis (hypothetical star)">Nemesis</a></li> <li><a href="/wiki/Phaeton_(hypothetical_planet)" title="Phaeton (hypothetical planet)">Phaeton</a></li> <li><a href="/wiki/Planet_Nine" title="Planet Nine">Planet Nine</a></li> <li><a href="/wiki/Planet_V" title="Planet V">Planet V</a></li> <li><a href="/wiki/Planets_beyond_Neptune#Planet_X" title="Planets beyond Neptune">Planet X</a></li> <li><a href="/wiki/Subsatellite" title="Subsatellite">Subsatellites</a></li> <li><a href="/wiki/Theia_(planet)" title="Theia (planet)">Theia</a></li> <li><a href="/wiki/Tyche_(hypothetical_planet)" title="Tyche (hypothetical planet)">Tyche</a></li> <li><a href="/wiki/Vulcan_(hypothetical_planet)" title="Vulcan (hypothetical planet)">Vulcan</a></li> <li><a href="/wiki/Vulcanoid" title="Vulcanoid">Vulcanoids</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Space_exploration" title="Space exploration">Exploration</a><br />(<a href="/wiki/Outline_of_space_exploration" title="Outline of space exploration">outline</a>)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Space_colonization" title="Space colonization">Colonization</a></li> <li><a href="/wiki/Discovery_and_exploration_of_the_Solar_System" title="Discovery and exploration of the Solar System">Discovery</a> <ul><li><a href="/wiki/Astronomy" title="Astronomy">astronomy</a></li> <li><a href="/wiki/Historical_models_of_the_Solar_System" title="Historical models of the Solar System">historical models</a></li> <li><a href="/wiki/Timeline_of_discovery_of_Solar_System_planets_and_their_moons" title="Timeline of discovery of Solar System planets and their moons">timeline</a></li></ul></li> <li><a href="/wiki/Space_probe" class="mw-redirect" title="Space probe">Space probes</a> <ul><li><a href="/wiki/Timeline_of_Solar_System_exploration" title="Timeline of Solar System exploration">timeline</a></li> <li><a href="/wiki/List_of_Solar_System_probes" title="List of Solar System probes">list</a></li></ul></li> <li><a href="/wiki/Human_spaceflight" title="Human spaceflight">Human spaceflight</a> <ul><li><a href="/wiki/Space_station" title="Space station">space stations</a></li> <li><a href="/wiki/List_of_crewed_spacecraft" title="List of crewed spacecraft">list</a></li> <li><a href="/wiki/Human_spaceflight_programs" title="Human spaceflight programs">programs</a></li></ul></li> <li><a href="/wiki/Exploration_of_Mercury" title="Exploration of Mercury">Mercury</a></li> <li><a href="/wiki/Observations_and_explorations_of_Venus" title="Observations and explorations of Venus">Venus</a></li> <li><a href="/wiki/Exploration_of_the_Moon" title="Exploration of the Moon">Moon</a> <ul><li><a href="/wiki/Lunar_resources" title="Lunar resources">mining</a></li></ul></li> <li><a href="/wiki/Exploration_of_Mars" title="Exploration of Mars">Mars</a></li> <li><a href="/wiki/Ceres_(dwarf_planet)#Exploration" title="Ceres (dwarf planet)">Ceres</a></li> <li><a href="/wiki/Asteroid#Exploration" title="Asteroid">Asteroids</a> <ul><li><a href="/wiki/Asteroid_mining" title="Asteroid mining">mining</a></li></ul></li> <li><a href="/wiki/List_of_missions_to_comets" title="List of missions to comets">Comets</a></li> <li><a href="/wiki/Exploration_of_Jupiter" title="Exploration of Jupiter">Jupiter</a></li> <li><a href="/wiki/Exploration_of_Saturn" title="Exploration of Saturn">Saturn</a></li> <li><a href="/wiki/Exploration_of_Uranus" title="Exploration of Uranus">Uranus</a></li> <li><a href="/wiki/Exploration_of_Neptune" title="Exploration of Neptune">Neptune</a></li> <li><a href="/wiki/Exploration_of_Pluto" title="Exploration of Pluto">Pluto</a></li> <li><a href="/wiki/Deep_space_exploration" title="Deep space exploration">Deep space</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Formation_and_evolution_of_the_Solar_System" title="Formation and evolution of the Solar System">Formation,<br />evolution</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Star_formation" title="Star formation">Star formation</a></li> <li><a href="/wiki/Accretion_(astrophysics)" title="Accretion (astrophysics)">Accretion</a></li> <li><a href="/wiki/Accretion_disk" title="Accretion disk">Accretion disk</a> <ul><li><a href="/wiki/Accretion_disk#Excretion_disk" title="Accretion disk">Excretion disk</a></li></ul></li> <li><a href="/wiki/Circumplanetary_disk" title="Circumplanetary disk">Circumplanetary disk</a></li> <li><a href="/wiki/Circumstellar_disc" title="Circumstellar disc">Circumstellar disc</a></li> <li><a href="/wiki/Circumstellar_envelope" title="Circumstellar envelope">Circumstellar envelope</a></li> <li><a href="/wiki/Coatlicue_(star)" title="Coatlicue (star)">Coatlicue</a></li> <li><a href="/wiki/Cosmic_dust" title="Cosmic dust">Cosmic dust</a></li> <li><a href="/wiki/Debris_disk" title="Debris disk">Debris disk</a></li> <li><a href="/wiki/Detached_object" title="Detached object">Detached object</a></li> <li><a href="/wiki/Exoplanetary_Circumstellar_Environments_and_Disk_Explorer" title="Exoplanetary Circumstellar Environments and Disk Explorer">EXCEDE</a></li> <li><a href="/wiki/Exozodiacal_dust" title="Exozodiacal dust">Exozodiacal dust</a></li> <li><a href="/wiki/Extraterrestrial_materials" title="Extraterrestrial materials">Extraterrestrial materials</a> <ul><li><a href="/wiki/Extraterrestrial_sample_curation" title="Extraterrestrial sample curation">Sample curation</a></li> <li><a href="/wiki/Sample-return_mission" title="Sample-return mission">Sample-return mission</a></li></ul></li> <li><a href="/wiki/Frost_line_(astrophysics)" title="Frost line (astrophysics)">Frost/Ice/Snow line</a></li> <li><a href="/wiki/Giant-impact_hypothesis" title="Giant-impact hypothesis">Giant-impact hypothesis</a></li> <li><a href="/wiki/Gravitational_collapse" title="Gravitational collapse">Gravitational collapse</a></li> <li><a href="/wiki/Hills_cloud" title="Hills cloud">Hills cloud</a></li> <li><a href="/wiki/Hill_sphere" title="Hill sphere">Hill sphere</a></li> <li><a href="/wiki/Interplanetary_dust_cloud" title="Interplanetary dust cloud">Interplanetary dust cloud</a></li> <li><a href="/wiki/Interplanetary_medium" title="Interplanetary medium">Interplanetary medium/space</a></li> <li><a href="/wiki/Interstellar_cloud" title="Interstellar cloud">Interstellar cloud</a></li> <li><a href="/wiki/Interstellar_medium" title="Interstellar medium">Interstellar medium</a></li> <li><a href="/wiki/Outer_space#Interstellar_space" title="Outer space">Interstellar space</a></li> <li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a></li> <li><a href="/wiki/Kuiper_cliff" class="mw-redirect" title="Kuiper cliff">Kuiper cliff</a></li> <li><a href="/wiki/Molecular_cloud" title="Molecular cloud">Molecular cloud</a></li> <li><a href="/wiki/Nebular_hypothesis" title="Nebular hypothesis">Nebular hypothesis</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li> <li><a href="/wiki/Outer_space" title="Outer space">Outer space</a></li> <li><a href="/wiki/Planet" title="Planet">Planet</a> <ul><li><a href="/wiki/Disrupted_planet" title="Disrupted planet">Disrupted</a></li> <li><a href="/wiki/Planetary_migration" title="Planetary migration">Migration</a></li> <li><a href="/wiki/Planetary_system" title="Planetary system">System</a></li> <li><a href="/wiki/Planetesimal" title="Planetesimal">Planetesimal</a></li> <li><a href="/wiki/Nebular_hypothesis#Formation_of_planets" title="Nebular hypothesis">Formation</a> <ul><li><a href="/wiki/Stellar_collision#Formation_of_planets" title="Stellar collision">Merging stars</a></li></ul></li> <li><a href="/wiki/Protoplanetary_disk" title="Protoplanetary disk">Protoplanetary disk</a></li></ul></li> <li><a href="/wiki/Ring_system" title="Ring system">Ring system</a></li> <li><a href="/wiki/Roche_limit" title="Roche limit">Roche limit</a> <ul><li><a href="/wiki/Roche_limit#Roche_limit,_Hill_sphere_and_radius_of_the_planet" title="Roche limit">vs. Hill sphere</a></li></ul></li> <li><a href="/wiki/Rubble_pile" title="Rubble pile">Rubble pile</a></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Lists</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lists_of_comets" title="Lists of comets">Comets</a></li> <li><a href="/wiki/List_of_possible_dwarf_planets" title="List of possible dwarf planets">Possible dwarf planets</a></li> <li><a href="/wiki/List_of_gravitationally_rounded_objects_of_the_Solar_System" title="List of gravitationally rounded objects of the Solar System">Gravitationally rounded objects</a></li> <li><a href="/wiki/List_of_minor_planets" title="List of minor planets">Minor planets</a></li> <li><a href="/wiki/List_of_natural_satellites" title="List of natural satellites">Natural satellites</a></li> <li><a href="/wiki/Solar_System_model" title="Solar System model">Solar System models</a></li> <li><a href="/wiki/List_of_Solar_System_objects" title="List of Solar System objects">Solar System objects</a> <ul><li><a href="/wiki/List_of_Solar_System_objects_by_size" title="List of Solar System objects by size">by size</a></li> <li><a href="/wiki/Timeline_of_discovery_of_Solar_System_planets_and_their_moons" title="Timeline of discovery of Solar System planets and their moons">by discovery date</a></li></ul></li> <li><a href="/wiki/List_of_interstellar_and_circumstellar_molecules" title="List of interstellar and circumstellar molecules">Interstellar and circumstellar molecules</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Related</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Double_planet" title="Double planet">Double planet</a></li> <li><a href="/wiki/Lagrange_point" title="Lagrange point">Lagrange point</a></li> <li><a href="/wiki/Moonlet" title="Moonlet">Moonlet</a></li> <li><a href="/wiki/Syzygy_(astronomy)" title="Syzygy (astronomy)">Syzygy</a></li> <li><a href="/wiki/Tidal_locking" title="Tidal locking">Tidal locking</a></li></ul> </div></td></tr></tbody></table><div> </div></td></tr></tbody></table></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align:center;;padding:0.4em;line-height:1.25em;"><div> <ul><li><a href="/wiki/Outline_of_the_Solar_System" title="Outline of the Solar System">Outline of the Solar System</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/22px-Solar_system.jpg" decoding="async" width="22" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/34px-Solar_system.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/45px-Solar_system.jpg 2x" data-file-width="4500" data-file-height="5600" /></span></span> </span><a href="/wiki/Portal:Solar_System" title="Portal:Solar System">Solar System portal</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/28px-Crab_Nebula.jpg" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/42px-Crab_Nebula.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/56px-Crab_Nebula.jpg 2x" data-file-width="3864" data-file-height="3864" /></span></span> </span><a href="/wiki/Portal:Astronomy" title="Portal:Astronomy">Astronomy portal</a></li> <li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" 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Interstellar Cloud</a> <span style="font-size:120%">→</span> <a href="/wiki/Local_Bubble" title="Local Bubble">Local Bubble</a> <span style="font-size:120%">→</span> <a href="/wiki/Gould_Belt" title="Gould Belt">Gould Belt</a> <span style="font-size:120%">→</span> <a href="/wiki/Orion_Arm" title="Orion Arm">Orion Arm</a> <span style="font-size:120%">→</span> <a href="/wiki/Milky_Way" title="Milky Way">Milky Way</a> <span style="font-size:120%">→</span> <a href="/wiki/Satellite_galaxies_of_the_Milky_Way" title="Satellite galaxies of the Milky Way">Milky Way subgroup</a> <span style="font-size:120%">→</span> <a href="/wiki/Local_Group" title="Local Group">Local Group</a> <span style="font-size:120%">→</span> <a href="/wiki/Local_Sheet" title="Local Sheet">Local Sheet</a> <span style="font-size:120%">→</span> <a href="/wiki/Virgo_Supercluster" title="Virgo Supercluster">Virgo Supercluster</a> <span style="font-size:120%">→</span> <a href="/wiki/Laniakea_Supercluster" title="Laniakea 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