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mw-first-heading"><span class="mw-page-title-main">5261 Eureka</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 32 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-32" 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">32 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/(5261)_Eureka" title="(5261) Eureka – Alemannic" lang="gsw" hreflang="gsw" data-title="(5261) Eureka" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/5261_%D9%8A%D9%88%D8%B1%D9%8A%D9%83%D8%A7" title="5261 يوريكا – Arabic" lang="ar" hreflang="ar" data-title="5261 يوريكا" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/(5261)_Eureka" title="(5261) Eureka – Catalan" lang="ca" hreflang="ca" data-title="(5261) Eureka" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/(5261)_Eureka" title="(5261) Eureka – German" lang="de" hreflang="de" data-title="(5261) Eureka" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/(5261)_Eureka" title="(5261) Eureka – Spanish" lang="es" hreflang="es" data-title="(5261) Eureka" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Esperanto" lang="eo" hreflang="eo" data-title="5261 Eureka" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D9%88%D8%B1%DB%8C%DA%A9%D8%A7_%DB%B5%DB%B2%DB%B6%DB%B1" title="اوریکا ۵۲۶۱ – Persian" lang="fa" hreflang="fa" data-title="اوریکا ۵۲۶۱" 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/(5261)_Eur%C3%AAka" title="(5261) Eurêka – French" lang="fr" hreflang="fr" data-title="(5261) Eurêka" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/(5261)_%D4%B7%D5%B8%D6%82%D6%80%D5%AB%D5%AF%D5%A1" title="(5261) Էուրիկա – Armenian" lang="hy" hreflang="hy" data-title="(5261) Էուրիկա" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Indonesian" lang="id" hreflang="id" data-title="5261 Eureka" 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-it mw-list-item"><a href="https://it.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Italian" lang="it" hreflang="it" data-title="5261 Eureka" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Latin" lang="la" hreflang="la" data-title="5261 Eureka" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/(5261)_Eureka" title="(5261) Eureka – Luxembourgish" lang="lb" hreflang="lb" data-title="(5261) Eureka" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Hungarian" lang="hu" hreflang="hu" data-title="5261 Eureka" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/5261_%D9%8A%D9%88%D8%B1%D9%8A%D9%83%D8%A7_(%D9%83%D9%88%D9%8A%D9%83%D8%A8)" title="5261 يوريكا (كويكب) – Egyptian Arabic" lang="arz" hreflang="arz" data-title="5261 يوريكا (كويكب)" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A8%E3%82%A6%E3%83%AC%E3%82%AB_(%E5%B0%8F%E6%83%91%E6%98%9F)" title="エウレカ (小惑星) – Japanese" lang="ja" hreflang="ja" data-title="エウレカ (小惑星)" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/(5261)_%D0%AD%D0%B2%D1%80%D0%B8%D0%BA%D0%B0" title="(5261) Эврика – Chechen" lang="ce" hreflang="ce" data-title="(5261) Эврика" data-language-autonym="Нохчийн" data-language-local-name="Chechen" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="5261 Eureka" 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/5261_Eureka" title="5261 Eureka – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="5261 Eureka" 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-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/(5261)_Eureka" title="(5261) Eureka – Polish" lang="pl" hreflang="pl" data-title="(5261) Eureka" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Portuguese" lang="pt" hreflang="pt" data-title="5261 Eureka" 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/5261_Eureka" title="5261 Eureka – Romanian" lang="ro" hreflang="ro" data-title="5261 Eureka" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/(5261)_%D0%AD%D0%B2%D1%80%D0%B8%D0%BA%D0%B0" title="(5261) Эврика – Russian" lang="ru" hreflang="ru" data-title="(5261) Эврика" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Slovak" lang="sk" hreflang="sk" data-title="5261 Eureka" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Finnish" lang="fi" hreflang="fi" data-title="5261 Eureka" 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/5261_Eureka" title="5261 Eureka – Swedish" lang="sv" hreflang="sv" data-title="5261 Eureka" 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/5261_Eureka" title="5261 Eureka – Tagalog" lang="tl" hreflang="tl" data-title="5261 Eureka" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/(5261)_%D0%AD%D0%B2%D1%80%D0%B8%D0%BA%D0%B0" title="(5261) Эврика – Tatar" lang="tt" hreflang="tt" data-title="(5261) Эврика" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/5261_Eureka" title="5261 Eureka – Turkish" lang="tr" hreflang="tr" data-title="5261 Eureka" 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/5261_%D0%95%D0%B2%D1%80%D0%B8%D0%BA%D0%B0" title="5261 Еврика – Ukrainian" lang="uk" hreflang="uk" data-title="5261 Еврика" 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/5261_Eureka" title="5261 Eureka – Vietnamese" lang="vi" hreflang="vi" data-title="5261 Eureka" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%B0%A4%E9%87%8C%E5%8D%A1%E6%98%9F" title="尤里卡星 – Chinese" lang="zh" hreflang="zh" data-title="尤里卡星" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q155190#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet 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class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Trojan asteroid of Mars</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title fn org">5261 Eureka</caption><tbody><tr><th colspan="2" class="infobox-header" style="background-color:#FA8072">Discovery<sup id="cite_ref-schmadel2003_1-0" class="reference"><a href="#cite_note-schmadel2003-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/List_of_minor_planet_discoverers" title="List of minor planet discoverers">Discovered by</a></th><td class="infobox-data"><a href="/wiki/David_H._Levy" title="David H. Levy">David H. Levy</a> and Henry Holt</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Discovery date</th><td class="infobox-data">20 June 1990</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FA8072">Designations</th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Pronunciation</th><td class="infobox-data"><span class="rt-commentedText nowrap"><span class="IPA nopopups noexcerpt" lang="en-fonipa"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/<span style="border-bottom:1px dotted"><span title="/j/: 'y' in 'yes'">j</span><span title="/ʊ/: 'u' in 'push'">ʊ</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'r' in 'rye'">r</span><span title="/iː/: 'ee' in 'fleece'">iː</span><span title="'k' in 'kind'">k</span><span title="/ə/: 'a' in 'about'">ə</span></span>/</a></span></span> <a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key"><i title="English pronunciation respelling">yuurr-<span style="font-size:90%">EE</span>-kə</i></a><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Named after</div></th><td class="infobox-data"><a href="/wiki/Eureka_(word)" title="Eureka (word)">Eureka</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Provisional_designation_in_astronomy" title="Provisional designation in astronomy">Alternative designations</a></div></th><td class="infobox-data">1990 MB</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Minor_planet#Populations" title="Minor planet">Minor planet category</a></div></th><td class="infobox-data"><a href="/wiki/Martian_L5_asteroid" class="mw-redirect" title="Martian L5 asteroid">Martian L5</a> <span typeof="mw:File"><a href="/wiki/File:Minor_Planets_-_Martian_L5.svg" class="mw-file-description" title="Martian L5"><img alt="Martian L5" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Minor_Planets_-_Martian_L5.svg/125px-Minor_Planets_-_Martian_L5.svg.png" decoding="async" width="125" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Minor_Planets_-_Martian_L5.svg/188px-Minor_Planets_-_Martian_L5.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Minor_Planets_-_Martian_L5.svg/250px-Minor_Planets_-_Martian_L5.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FA8072"><a href="/wiki/Osculating_orbit" title="Osculating orbit">Orbital characteristics</a><sup id="cite_ref-JPLSBDB_3-0" class="reference"><a href="#cite_note-JPLSBDB-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></th></tr><tr><td colspan="2" class="infobox-full-data"><a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">Epoch</a> 13 January 2016 (<a href="/wiki/Julian_day" title="Julian day">JD</a> 2457400.5)</td></tr><tr><td colspan="2" class="infobox-full-data"><a href="/wiki/Uncertainty_parameter" title="Uncertainty parameter">Uncertainty parameter</a> 0</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Observation_arc" title="Observation arc">Observation arc</a></th><td class="infobox-data">13267 days (36.32 yr)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Perihelion_and_aphelion" class="mw-redirect" title="Perihelion and aphelion">Aphelion</a></th><td class="infobox-data">1.6222 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> (242.68 <a href="/wiki/Gigametre" class="mw-redirect" title="Gigametre">Gm</a>)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Perihelion_and_aphelion" class="mw-redirect" title="Perihelion and aphelion">Perihelion</a></th><td class="infobox-data">1.4249 AU (213.16 Gm)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Semi-major_and_semi-minor_axes" title="Semi-major and semi-minor axes">Semi-major axis</a></div></th><td class="infobox-data">1.5236 AU (227.93 Gm)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Orbital_eccentricity" title="Orbital eccentricity">Eccentricity</a></th><td class="infobox-data">0.064766</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Orbital_period" title="Orbital period">Orbital period (sidereal)</a></div></th><td class="infobox-data">1.88 <a href="/wiki/Julian_year_(astronomy)" title="Julian year (astronomy)">yr</a> (686.89 <a href="/wiki/Julian_year_(astronomy)" title="Julian year (astronomy)">d</a>)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Average <a href="/wiki/Orbital_speed" title="Orbital speed">orbital speed</a></div></th><td class="infobox-data">24.11 km/<a href="/wiki/Second" title="Second">s</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Mean_anomaly#Mean_anomaly_at_epoch" title="Mean anomaly">Mean anomaly</a></div></th><td class="infobox-data">145.29<a href="/wiki/Degree_(angle)" title="Degree (angle)">°</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Mean_motion" title="Mean motion">Mean motion</a></div></th><td class="infobox-data">0° 31<sup>m</sup> 26.76<sup>s</sup> / day</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Orbital_inclination" title="Orbital inclination">Inclination</a></th><td class="infobox-data">20.280°</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Longitude_of_the_ascending_node" title="Longitude of the ascending node">Longitude of ascending node</a></div></th><td class="infobox-data">245.057°</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Argument_of_periapsis" title="Argument of periapsis">Argument of perihelion</a></div></th><td class="infobox-data">95.456°</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Known <a href="/wiki/Natural_satellite" title="Natural satellite">satellites</a></th><td class="infobox-data">1</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Earth <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a></th><td class="infobox-data">0.497052 AU (74.3579 Gm)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Jupiter <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a></th><td class="infobox-data">3.52162 AU (526.827 Gm)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Tisserand%27s_parameter" title="Tisserand's parameter">T<sub>Jupiter</sub></a></th><td class="infobox-data">4.428</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FA8072"><span class="anchor" id="Infobox_Physical_characteristics"></span><a href="/wiki/Standard_asteroid_physical_characteristics" title="Standard asteroid physical characteristics">Physical characteristics</a></th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Mean_radius_(astronomy)" title="Mean radius (astronomy)">Dimensions</a></th><td class="infobox-data">1.3<sup id="cite_ref-Rivkin2007_4-0" class="reference"><a href="#cite_note-Rivkin2007-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> km<br />~2–4 km<sup><a rel="nofollow" class="external text" href="https://web.archive.org/web/20010302182040/http://neo.jpl.nasa.gov/glossary/h.html">H</a></sup></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Synodic_rotation_period" class="mw-redirect" title="Synodic rotation period">Synodic rotation period</a></div></th><td class="infobox-data">2.6902 <a href="/wiki/Hour" title="Hour">h</a> (0.11209 <a href="/wiki/Day" title="Day">d</a>)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Geometric_albedo" title="Geometric albedo">Geometric albedo</a></div></th><td class="infobox-data">0.39<sup id="cite_ref-Rivkin2007_4-1" class="reference"><a href="#cite_note-Rivkin2007-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Temperature" title="Temperature">Temperature</a></th><td class="infobox-data">~250<sup id="cite_ref-Rivkin2007_4-2" class="reference"><a href="#cite_note-Rivkin2007-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Kelvin" title="Kelvin">K</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Asteroid_spectral_types" title="Asteroid spectral types">Spectral type</a></div></th><td class="infobox-data"><a href="/wiki/S-type_asteroid" title="S-type asteroid">S(I)</a><sup id="cite_ref-Rivkin2007_4-3" class="reference"><a href="#cite_note-Rivkin2007-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> (Gaffey)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Absolute_magnitude#Solar_System_bodies_(H)" title="Absolute magnitude">Absolute magnitude <i>(H)</i></a></div></th><td class="infobox-data">16.0,<sup id="cite_ref-Rivkin2007_4-4" class="reference"><a href="#cite_note-Rivkin2007-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> 16.1<sup id="cite_ref-JPLSBDB_3-1" class="reference"><a href="#cite_note-JPLSBDB-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></td></tr><tr><td colspan="2" class="infobox-below"><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"> </div></td></tr></tbody></table> <p><b>5261 Eureka</b> is the first <a href="/wiki/Mars_trojan" title="Mars trojan">Mars trojan</a> discovered.<sup id="cite_ref-mtrojans_5-0" class="reference"><a href="#cite_note-mtrojans-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> It was discovered by <a href="/wiki/David_H._Levy" title="David H. Levy">David H. Levy</a> and Henry Holt at <a href="/wiki/Palomar_Observatory" title="Palomar Observatory">Palomar Observatory</a> on 20 June 1990.<sup id="cite_ref-schmadel2003_1-1" class="reference"><a href="#cite_note-schmadel2003-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> It trails <a href="/wiki/Mars" title="Mars">Mars</a> (at the <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>5</sub> point</a>) at a distance varying by only 0.3 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> during each revolution (with a <a href="/wiki/Secular_variation" title="Secular variation">secular trend</a> superimposed, changing the distance from 1.5–1.8 AU around 1850 to 1.3–1.6 AU around 2400). Minimum distances from <a href="/wiki/Earth" title="Earth">Earth</a>, <a href="/wiki/Venus" title="Venus">Venus</a>, and <a href="/wiki/Jupiter" title="Jupiter">Jupiter</a>, are 0.5, 0.8, and 3.5 AU, respectively. </p><p>Long-term <a href="/wiki/Numerical_integration" title="Numerical integration">numerical integration</a> shows that the orbit is stable. <a href="/wiki/Kimmo_Innanen" title="Kimmo Innanen">Kimmo A. Innanen</a> and <a href="/wiki/Seppo_Mikkola" title="Seppo Mikkola">Seppo Mikkola</a> note that "contrary to intuition, there is clear <a href="/wiki/Empirical_evidence" title="Empirical evidence">empirical evidence</a> for the stability of motion around the <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>4</sub></a> and <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>5</sub></a> points of all the terrestrial planets over a timeframe of several million years". </p><p>Since the discovery of 5261 Eureka, the <a href="/wiki/Minor_Planet_Center" title="Minor Planet Center">Minor Planet Center</a> has recognized three other asteroids as Martian trojans: <span class="nowrap"><a href="/wiki/1999_UJ7" class="mw-redirect" title="1999 UJ7">1999 UJ<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">7</span></span></a></span> at the <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>4</sub></a> point, <span class="nowrap"><a href="/wiki/1998_VF31" class="mw-redirect" title="1998 VF31">1998 VF<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">31</span></span></a></span> at the <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>5</sub></a> point,<sup id="cite_ref-mtrojans_5-1" class="reference"><a href="#cite_note-mtrojans-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> and <span class="nowrap"><a href="/wiki/2007_NS2" class="mw-redirect" title="2007 NS2">2007 NS<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">2</span></span></a></span>, also at the <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>5</sub></a> point.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> At least five other asteroids in near-1:1 <a href="/wiki/Orbital_resonance" title="Orbital resonance">resonances</a> with Mars have been discovered, but they do not exhibit trojan behavior. They are <span class="nowrap"><a href="/w/index.php?title=2001_FR127&action=edit&redlink=1" class="new" title="2001 FR127 (page does not exist)">2001 FR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">127</span></span></a></span>, <span class="nowrap"><a href="/w/index.php?title=2001_FG24&action=edit&redlink=1" class="new" title="2001 FG24 (page does not exist)">2001 FG<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">24</span></span></a></span>, <a href="/w/index.php?title=(36017)_1999_ND43&action=edit&redlink=1" class="new" title="(36017) 1999 ND43 (page does not exist)">(36017) 1999 ND<sub>43</sub></a>, <span class="nowrap"><a href="/w/index.php?title=1998_QH56&action=edit&redlink=1" class="new" title="1998 QH56 (page does not exist)">1998 QH<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">56</span></span></a></span> and <a href="/wiki/(152704)_1998_SD4" class="mw-redirect" title="(152704) 1998 SD4">(152704) 1998 SD<sub>4</sub></a>. Due to close orbital similarities, most of the other, smaller, members of the L<sub>5</sub> group are hypothesized to be fragments of 5261 Eureka that were detached after it was spun up by the <a href="/wiki/YORP_effect" title="YORP effect">YORP effect</a> (consistent with its rotational period of 2.69 h).<sup id="cite_ref-Lovett2017_7-0" class="reference"><a href="#cite_note-Lovett2017-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> </p><p>The <a href="/wiki/Infrared" title="Infrared">infrared</a> spectrum for 5261 Eureka is typical for an <a href="/wiki/A-type_asteroid" title="A-type asteroid">A-type asteroid</a>, but the visual spectrum is consistent with an evolved form of <a href="/wiki/Achondrite" title="Achondrite">achondrite</a> called an <a href="/wiki/Angrite" title="Angrite">angrite</a>. A-class asteroids are tinted red in hue, with a moderate <a href="/wiki/Albedo" title="Albedo">albedo</a>. The asteroid is located deep within a stable Lagrangian zone of Mars, which is considered indicative of a primordial origin—meaning the asteroid has most likely been in this orbit for much of the history of the <a href="/wiki/Solar_System" title="Solar System">Solar System</a>.<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. (December 2020)">citation needed</span></a></i>]</sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Satellite">Satellite</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=5261_Eureka&action=edit&section=1" title="Edit section: Satellite"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546" /><table class="infobox"><caption class="infobox-title fn org">Satellite</caption><tbody><tr><th colspan="2" class="infobox-header" style="background-color:#E0CCFF">Discovery</th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Discovery date</th><td class="infobox-data">28 November 2011</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#E0CCFF"><a href="/wiki/Osculating_orbit" title="Osculating orbit">Orbital characteristics</a></th></tr><tr><td colspan="2" class="infobox-full-data"><a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">Epoch</a> 9 December 2014</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Semi-major_and_semi-minor_axes" title="Semi-major and semi-minor axes">Semi-major axis</a></div></th><td class="infobox-data">2.1 km</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Orbital_period" title="Orbital period">Orbital period (sidereal)</a></div></th><td class="infobox-data">0.7054 ± 0.0004 d</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#E0CCFF"><span class="anchor" id="Infobox_Physical_characteristics"></span>Physical characteristics</th></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Mean_radius_(astronomy)" title="Mean radius (astronomy)">Dimensions</a></th><td class="infobox-data">0.46 km</td></tr><tr><td colspan="2" class="infobox-below"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626" /><div class="reflist"> </div></td></tr></tbody></table> <p>On 28 November 2011, a <a href="/wiki/Minor-planet_moon" title="Minor-planet moon">natural satellite</a> of 5261 Eureka was found. This unnamed moon is about 0.46 km in diameter and orbits 2.1 km from Eureka. The satellite's existence was announced in September 2014.<sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </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=5261_Eureka&action=edit&section=2" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="nowrap"><a href="/wiki/(101429)_1998_VF31" title="(101429) 1998 VF31">(101429) 1998 VF<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">31</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/(121514)_1999_UJ7" title="(121514) 1999 UJ7">(121514) 1999 UJ<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">7</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/(311999)_2007_NS2" title="(311999) 2007 NS2">(311999) 2007 NS<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">2</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/(385250)_2001_DH47" title="(385250) 2001 DH47">(385250) 2001 DH<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">47</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2009_SE" title="2009 SE">2009 SE</a></span></li> <li><span class="nowrap"><a href="/wiki/2011_SC191" title="2011 SC191">2011 SC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">191</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2011_SL25" title="2011 SL25">2011 SL<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">25</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2011_SP189" title="2011 SP189">2011 SP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">189</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2011_UB256" title="2011 UB256">2011 UB<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">256</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2011_UN63" title="2011 UN63">2011 UN<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">63</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2016_CP31" title="2016 CP31">2016 CP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">31</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2018_EC4" title="2018 EC4">2018 EC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2018_FC4" title="2018 FC4">2018 FC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2020_VT1" title="2020 VT1">2020 VT<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li></ul> <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=5261_Eureka&action=edit&section=3" 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"><ol class="references"> <li id="cite_note-schmadel2003-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-schmadel2003_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-schmadel2003_1-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFSchmadel2003" class="citation cs2">Schmadel, Lutz D. (2003), <a rel="nofollow" class="external text" href="https://books.google.com/books?id=VoJ5nUyIzCsC&pg=PA452"><i>Dictionary of minor planet names</i></a>, Physics and astronomy online library (5th ed.), Springer, p. 452, <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/3-540-00238-3" title="Special:BookSources/3-540-00238-3"><bdi>3-540-00238-3</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.series=Physics+and+astronomy+online+library&rft.pages=452&rft.edition=5th&rft.pub=Springer&rft.date=2003&rft.isbn=3-540-00238-3&rft.aulast=Schmadel&rft.aufirst=Lutz+D.&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DVoJ5nUyIzCsC%26pg%3DPA452&rfr_id=info%3Asid%2Fen.wikipedia.org%3A5261+Eureka" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFReference-OED-Eureka" class="citation encyclopaedia cs1"><span class="id-lock-subscription" title="Paid subscription required"><a rel="nofollow" class="external text" href="https://www.oed.com/search/dictionary/?q=Eureka">"Eureka"</a></span>. <i><a href="/wiki/Oxford_English_Dictionary" title="Oxford English Dictionary">Oxford English Dictionary</a></i> (Online ed.). <a href="/wiki/Oxford_University_Press" title="Oxford University Press">Oxford University Press</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Eureka&rft.btitle=Oxford+English+Dictionary&rft.edition=Online&rft.pub=Oxford+University+Press&rft_id=https%3A%2F%2Fwww.oed.com%2Fsearch%2Fdictionary%2F%3Fq%3DEureka&rfr_id=info%3Asid%2Fen.wikipedia.org%3A5261+Eureka" class="Z3988"></span> <span style="font-size:0.95em; font-size:95%; color: var( --color-subtle, #555 )">(Subscription or <a rel="nofollow" class="external text" href="https://www.oed.com/public/login/loggingin#withyourlibrary">participating institution membership</a> required.)</span></span> </li> <li id="cite_note-JPLSBDB-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-JPLSBDB_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-JPLSBDB_3-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFYeomans" class="citation cs2">Yeomans, Donald K., <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=5261">"5261 Eureka (1990 MB)"</a>, <i>JPL Small-Body Database Browser</i>, <a href="/wiki/NASA" title="NASA">NASA</a><span class="reference-accessdate">, retrieved <span class="nowrap">13 April</span> 2016</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=JPL+Small-Body+Database+Browser&rft.atitle=5261+Eureka+%281990+MB%29&rft.aulast=Yeomans&rft.aufirst=Donald+K.&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fsbdb.cgi%3Fsstr%3D5261&rfr_id=info%3Asid%2Fen.wikipedia.org%3A5261+Eureka" class="Z3988"></span></span> </li> <li id="cite_note-Rivkin2007-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-Rivkin2007_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Rivkin2007_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Rivkin2007_4-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Rivkin2007_4-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Rivkin2007_4-4"><sup><i><b>e</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFRivkinTrillingThomasDeMeo2007" class="citation cs2">Rivkin, Andrew S.; Trilling, David E.; Thomas, Cristina A.; DeMeo, Francesca; Spahr, Timothy B.; Binzel, Richard P. (December 2007), "Composition of the L5 Mars Trojans: Neighbors, not siblings", <i>Icarus</i>, <b>192</b> (2): <span class="nowrap">434–</span>441, <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/0709.1925">0709.1925</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/2007Icar..192..434R">2007Icar..192..434R</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.icarus.2007.06.026">10.1016/j.icarus.2007.06.026</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:15118710">15118710</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Icarus&rft.atitle=Composition+of+the+L5+Mars+Trojans%3A+Neighbors%2C+not+siblings&rft.volume=192&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E434-%3C%2Fspan%3E441&rft.date=2007-12&rft_id=info%3Aarxiv%2F0709.1925&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A15118710%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.1016%2Fj.icarus.2007.06.026&rft_id=info%3Abibcode%2F2007Icar..192..434R&rft.aulast=Rivkin&rft.aufirst=Andrew+S.&rft.au=Trilling%2C+David+E.&rft.au=Thomas%2C+Cristina+A.&rft.au=DeMeo%2C+Francesca&rft.au=Spahr%2C+Timothy+B.&rft.au=Binzel%2C+Richard+P.&rfr_id=info%3Asid%2Fen.wikipedia.org%3A5261+Eureka" class="Z3988"></span></span> </li> <li id="cite_note-mtrojans-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-mtrojans_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-mtrojans_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/iau/lists/MarsTrojans.html">"List of Martian Trojans"</a><span class="reference-accessdate">. Retrieved <span class="nowrap">26 February</span> 2011</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=List+of+Martian+Trojans&rft_id=https%3A%2F%2Fwww.minorplanetcenter.net%2Fiau%2Flists%2FMarsTrojans.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A5261+Eureka" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/mpec/K07/K07O09.html">MPEC 2007-O09 : 2007 NS2</a></span> </li> <li id="cite_note-Lovett2017-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-Lovett2017_7-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFLovett2017" class="citation journal cs1">Lovett, R. (20 October 2017). "Sun's light touch explains asteroids flying in formation behind Mars". <i>Science</i>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fscience.aar2794">10.1126/science.aar2794</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science&rft.atitle=Sun%27s+light+touch+explains+asteroids+flying+in+formation+behind+Mars&rft.date=2017-10-20&rft_id=info%3Adoi%2F10.1126%2Fscience.aar2794&rft.aulast=Lovett&rft.aufirst=R.&rfr_id=info%3Asid%2Fen.wikipedia.org%3A5261+Eureka" class="Z3988"></span></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222" /><cite id="CITEREFJohnston,_Robert2014" class="citation web cs1">Johnston, Robert (16 November 2014). <a rel="nofollow" class="external text" href="http://www.johnstonsarchive.net/astro/astmoons/am-05261.html">"(5261) Eureka"</a>. Johnston's Archive<span class="reference-accessdate">. Retrieved <span class="nowrap">6 September</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=%285261%29+Eureka&rft.pub=Johnston%27s+Archive&rft.date=2014-11-16&rft.au=Johnston%2C+Robert&rft_id=http%3A%2F%2Fwww.johnstonsarchive.net%2Fastro%2Fastmoons%2Fam-05261.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A5261+Eureka" class="Z3988"></span></span> </li> </ol></div></div> <dl><dt>Further reading</dt></dl> <ul><li><a rel="nofollow" class="external text" href="http://www.cbat.eps.harvard.edu/iauc/05000/05045.html#Item1">IAUC 5045</a></li> <li><a rel="nofollow" class="external text" href="http://www.cbat.eps.harvard.edu/iauc/05000/05047.html#Item3">IAUC 5047</a></li> <li><a rel="nofollow" class="external text" href="http://www.cbat.eps.harvard.edu/iauc/05000/05067.html#Item1">IAUC 5067</a></li> <li><a rel="nofollow" class="external text" href="http://www.cbat.eps.harvard.edu/iauc/05000/05075.html#Item2">IAUC 5075</a></li> <li><a href="/w/index.php?title=Andrew_S._Rivkin&action=edit&redlink=1" class="new" title="Andrew S. Rivkin (page does not exist)">A. S. Rivkin</a>, <a href="/wiki/Richard_P._Binzel" title="Richard P. Binzel">R. P. Binzel</a>, <a href="/wiki/Schelte_J._Bus" title="Schelte J. Bus">S. J. Bus</a>, and <a href="/wiki/Jennifer_A._Grier" class="mw-redirect" title="Jennifer A. Grier">J. A. Grier</a>, "Spectroscopy and Classification of Mars Trojan Asteroids", <i>Bulletin of the American Astronomical Society</i> 34, 2002, p. 840.</li> <li><a href="/w/index.php?title=Serge_Tabachnik&action=edit&redlink=1" class="new" title="Serge Tabachnik (page does not exist)">S. Tabachnik</a> and N. W. Evans, "Cartography for Martian Trojans", <i>The Astrophysical Journal</i> 517, 1999, pp. L63–L66.</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=5261_Eureka&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://orbitsimulator.com/gravity/articles/eureka.html">The co-orbital asteroids of Mars</a> A simulation and animation showing Mars's co-orbital and near co-orbital asteroids</li> <li><a rel="nofollow" class="external text" href="http://www.johnstonsarchive.net/astro/asteroidmoons.html">Asteroids with Satellites</a>, Robert Johnston, johnstonsarchive.net</li> <li><a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=5261&pc=1.1.0">5261 Eureka</a> at <i>AstDyS-2, Asteroids—Dynamic Site</i> <ul><li><a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=5261&pc=1.1.3.0">Ephemeris</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=5261&pc=1.1.4.0">Observation prediction</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=5261&pc=1.1.1">Orbital info</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=5261&pc=1.1.6">Proper elements</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=5261&pc=1.1.7.0">Observational info</a></li></ul></li> <li><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20005261">5261 Eureka</a> at the <i><a href="/wiki/JPL_Small-Body_Database" title="JPL Small-Body Database">JPL Small-Body Database</a></i> <span 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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="Mars381" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed 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:Mars" title="Template:Mars"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Mars" title="Template talk:Mars"><abbr title="Discuss this 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style="padding:0 0.25em"> <ul><li><a href="/wiki/Mars_general_circulation_model" title="Mars general circulation model">Circulation</a></li> <li><a href="/wiki/Climate_of_Mars" title="Climate of Mars">Climate</a></li> <li><a href="/wiki/Martian_dust_devils" title="Martian dust devils">Dust devil tracks</a></li> <li><a href="/wiki/Natural_methane_on_Mars" title="Natural methane on Mars">Methane</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_terrae_on_Mars" title="List of terrae on Mars">Regions</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/Arabia_Terra" title="Arabia Terra">Arabia Terra</a></li> <li><a href="/wiki/Cerberus_(Mars)" title="Cerberus (Mars)">Cerberus (Mars)</a></li> <li><a href="/wiki/Cydonia_(Mars)" title="Cydonia (Mars)">Cydonia</a></li> <li><a href="/wiki/Eridania_Lake" title="Eridania Lake">Eridania Lake</a></li> <li><a href="/wiki/Iani_Chaos" title="Iani Chaos">Iani Chaos</a></li> <li><a href="/wiki/Olympia_Undae" title="Olympia Undae">Olympia Undae</a></li> <li><a href="/wiki/Planum_Australe" title="Planum Australe">Planum Australe</a></li> <li><a href="/wiki/Planum_Boreum" title="Planum Boreum">Planum Boreum</a></li> <li><a href="/wiki/List_of_quadrangles_on_Mars" title="List of quadrangles on Mars">Quadrangles</a></li> <li><a href="/wiki/Sinus_Meridiani" title="Sinus Meridiani">Sinus Meridiani</a></li> <li><a href="/wiki/Tempe_Terra" title="Tempe Terra">Tempe Terra</a></li> <li><a href="/wiki/Terra_Cimmeria" title="Terra Cimmeria">Terra Cimmeria</a></li> <li><a href="/wiki/Terra_Sabaea" title="Terra Sabaea">Terra Sabaea</a></li> <li><a href="/wiki/Tharsis" title="Tharsis">Tharsis</a></li> <li><a href="/wiki/List_of_extraterrestrial_dune_fields" title="List of extraterrestrial dune fields">Undae</a></li> <li><a href="/wiki/Mars_Polar_Lander#Landing_zone" title="Mars Polar Lander">Ultimi Scopuli</a></li> <li><a href="/wiki/Vastitas_Borealis" title="Vastitas Borealis">Vastitas Borealis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Common_surface_features_of_Mars" title="Common surface features of Mars">Physical<br />features</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/Martian_canals" title="Martian canals">"Canals"</a> (<a href="/wiki/List_of_Martian_canals" title="List of Martian canals">list</a>)</li> <li><a href="/wiki/Chasma#Mars" title="Chasma">Canyons</a></li> <li><a href="/wiki/Crater_chain" title="Crater chain">Catenae</a></li> <li><a href="/wiki/Chaos_terrain" title="Chaos terrain">Chaos terrain</a></li> <li><a href="/wiki/List_of_craters_on_Mars" title="List of craters on Mars">Craters</a></li> <li><a href="/wiki/Fossa_(planetary_nomenclature)" title="Fossa (planetary nomenclature)">Fossae</a></li> <li><a href="/wiki/Gullies_on_Mars" title="Gullies on Mars">Gullies</a></li> <li><a href="/wiki/Mensa_(geology)" title="Mensa (geology)">Mensae</a></li> <li><a href="/wiki/Planetary_nomenclature#Descriptor_terms_(feature_types)" title="Planetary nomenclature">Labyrinthi</a></li> <li><a href="/wiki/List_of_mountains_on_Mars" title="List of mountains on Mars">Mountains</a> <ul><li><a href="/wiki/List_of_mountains_on_Mars" title="List of mountains on Mars">by height</a></li></ul></li> <li><a href="/wiki/List_of_rocks_on_Mars" title="List of rocks on Mars">Observed rocks</a></li> <li><a href="/wiki/Outflow_channels" title="Outflow channels">Outflow channels</a></li> <li><a href="/wiki/List_of_plains_on_Mars" title="List of plains on Mars">Plains</a></li> <li><a href="/wiki/Valley_network_(Mars)" title="Valley network (Mars)">Valley network</a></li> <li><a href="/wiki/Vallis_(planetary_geology)" title="Vallis (planetary geology)">Valleys</a></li> <li><a href="/wiki/Gravity_of_Mars" title="Gravity of Mars">Gravity</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Geology_of_Mars" title="Geology of Mars">Geology</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/Brain_terrain" title="Brain terrain">Brain terrain</a></li> <li><a href="/wiki/Carbonates_on_Mars" title="Carbonates on Mars">Carbonates</a></li> <li><a href="/wiki/List_of_areas_of_chaos_terrain_on_Mars" title="List of areas of chaos terrain on Mars">Chaos terrain</a></li> <li><a href="/wiki/Mars_surface_color" title="Mars surface color">Color</a></li> <li><a href="/wiki/Composition_of_Mars" title="Composition of Mars">Composition</a></li> <li><a href="/wiki/Concentric_crater_fill" title="Concentric crater fill">Concentric crater fill</a></li> <li><a href="/wiki/Dark_slope_streak" title="Dark slope streak">Dark slope streak</a></li> <li><a href="/wiki/Martian_dichotomy" title="Martian dichotomy">Dichotomy</a></li> <li><a href="/wiki/Fretted_terrain" title="Fretted terrain">Fretted terrain</a></li> <li><a href="/wiki/Geysers_on_Mars" title="Geysers on Mars">Geysers</a></li> <li><a href="/wiki/Glaciers_on_Mars" title="Glaciers on Mars">Glaciers</a></li> <li><a href="/wiki/Groundwater_on_Mars" title="Groundwater on Mars">Groundwater</a></li> <li><a href="/wiki/Gullies_on_Mars" title="Gullies on Mars">Gullies</a></li> <li><a href="/wiki/Lakes_on_Mars" title="Lakes on Mars">Lakes</a></li> <li><a href="/wiki/Martian_lava_tube" title="Martian lava tube">Lava tubes</a></li> <li><a href="/wiki/Lobate_debris_apron" title="Lobate debris apron">Lobate debris apron</a></li> <li><a href="/wiki/Marsquake" title="Marsquake">Marsquake</a></li> <li><a href="/wiki/Martian_meteorite" title="Martian meteorite">Meteorites</a> <ul><li><a href="/wiki/List_of_Martian_meteorites" title="List of Martian meteorites">on Earth</a></li> <li><a href="/wiki/List_of_rocks_on_Mars" title="List of rocks on Mars">on Mars</a></li></ul></li> <li><a href="/wiki/Mud_cracks_on_Mars" title="Mud cracks on Mars">Mud cracks</a></li> <li><a href="/wiki/North_Polar_Basin_(Mars)" title="North Polar Basin (Mars)">North Polar Basin</a></li> <li><a href="/wiki/Mars_ocean_theory" title="Mars ocean theory">Ocean theory</a></li> <li><a href="/wiki/Ore_resources_on_Mars" title="Ore resources on Mars">Ore resources</a></li> <li><a href="/wiki/Martian_polar_ice_caps" title="Martian polar ice caps">Polar caps</a> <ul><li><a href="/wiki/True_polar_wander_on_Mars" title="True polar wander on Mars">polar wander</a></li></ul></li> <li><a href="/wiki/Seasonal_flows_on_warm_Martian_slopes" title="Seasonal flows on warm Martian slopes">Recurring slope lineae (RSL)</a></li> <li><a href="/wiki/Ring_mold_crater" title="Ring mold crater">Ring mold craters</a></li> <li><a href="/wiki/Rootless_cone" title="Rootless cone">Rootless cones</a></li> <li><a href="/wiki/Seasonal_flows_on_warm_Martian_slopes" title="Seasonal flows on warm Martian slopes">Seasonal flows</a></li> <li><a href="/wiki/Martian_regolith" title="Martian regolith">Soil</a></li> <li><a href="/wiki/Martian_spherules" title="Martian spherules">Spherules</a></li> <li><a href="/wiki/Martian_surface" title="Martian surface">Surface</a></li> <li><a href="/wiki/Swiss_cheese_features" title="Swiss cheese features">"Swiss cheese" feature</a></li> <li><a href="/wiki/Terrain_softening" title="Terrain softening">Terrain softening</a></li> <li><a href="/wiki/Tharsis#Location_and_Size" title="Tharsis">Tharsis bulge</a></li> <li><a href="/wiki/Volcanism_on_Mars" title="Volcanism on Mars">Volcanism</a></li> <li><a href="/wiki/Water_on_Mars" title="Water on Mars">Water</a></li> <li><a href="/wiki/Yardangs_on_Mars" title="Yardangs on Mars">Yardangs</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Geological_history_of_Mars" title="Geological history of Mars">History</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/Amazonian_(Mars)" title="Amazonian (Mars)">Amazonian</a></li> <li><a href="/wiki/Hesperian" title="Hesperian">Hesperian</a></li> <li><a href="/wiki/Noachian" title="Noachian">Noachian</a></li> <li><a href="/wiki/History_of_Mars_observation" title="History of Mars observation">Observation history</a></li> <li><a href="/wiki/Classical_albedo_features_on_Mars" title="Classical albedo features on Mars">Classical albedo features</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Astronomy_on_Mars" title="Astronomy on Mars">Astronomy</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Moons_of_Mars" title="Moons of Mars">Moons</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/Phobos_(moon)" title="Phobos (moon)">Phobos</a> <ul><li><a href="/wiki/Stickney_(crater)" title="Stickney (crater)">Stickney crater</a></li> <li><a href="/wiki/Limtoc" title="Limtoc">Limtoc crater</a></li> <li><a href="/wiki/Phobos_monolith" title="Phobos monolith">Monolith</a></li></ul></li> <li><a href="/wiki/Deimos_(moon)" title="Deimos (moon)">Deimos</a> <ul><li><a href="/wiki/Swift_(Deimian_crater)" title="Swift (Deimian crater)">Swift crater</a></li> <li><a href="/wiki/Voltaire_(crater)" title="Voltaire (crater)">Voltaire crater</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Astronomical_transit" title="Astronomical transit">Transits</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/Solar_eclipses_on_Mars" title="Solar eclipses on Mars">Solar eclipses on Mars</a></li> <li>Satellite transits <ul><li><a href="/wiki/Transit_of_Phobos_from_Mars" title="Transit of Phobos from Mars">Phobos</a></li> <li><a href="/wiki/Transit_of_Deimos_from_Mars" title="Transit of Deimos from Mars">Deimos</a></li></ul></li> <li>Planetary transits <ul><li><a href="/wiki/Transit_of_Earth_from_Mars" title="Transit of Earth from Mars">Earth</a></li> <li><a href="/wiki/Transit_of_Mercury_from_Mars" title="Transit of Mercury from Mars">Mercury</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Asteroid" title="Asteroid">Asteroids</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Impact_events_on_Mars" title="Impact events on Mars">Impacts</a></li> <li><a href="/wiki/List_of_Mars-crossing_minor_planets" title="List of Mars-crossing minor planets">Mars-crossers</a> <ul><li><span class="nowrap"><a href="/wiki/2007_WD5" title="2007 WD5">2007 WD<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">5</span></span></a></span></li></ul></li> <li><a href="/wiki/Mars_trojan" title="Mars trojan">Trojans</a> <ul><li><a class="mw-selflink selflink">5261 Eureka</a></li> <li><span class="nowrap"><a href="/wiki/(101429)_1998_VF31" title="(101429) 1998 VF31">1998 VF<sub>31</sub></a></span></li> <li><span class="nowrap"><a href="/wiki/(121514)_1999_UJ7" title="(121514) 1999 UJ7">1999 UJ<sub>7</sub></a></span></li> <li><span class="nowrap"><a href="/wiki/(311999)_2007_NS2" title="(311999) 2007 NS2">2007 NS<sub>2</sub></a></span></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Comets</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/C/2013_A1_(Siding_Spring)" title="C/2013 A1 (Siding Spring)">C/2013 A1 (Siding Spring)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">General</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Orbit_of_Mars" title="Orbit of Mars">Orbit</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Exploration_of_Mars" title="Exploration of Mars">Exploration</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Concepts</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/Mars_flyby" title="Mars flyby">Flyby</a></li> <li><a href="/wiki/List_of_Mars_orbiters" title="List of Mars orbiters">Orbiter</a></li> <li><a href="/wiki/Mars_landing" title="Mars landing">Landing</a></li> <li><a href="/wiki/Mars_rover" title="Mars rover">Rover</a></li> <li><a href="/wiki/Mars_sample-return_mission" title="Mars sample-return mission">Sample return</a></li> <li><a href="/wiki/Human_mission_to_Mars" title="Human mission to Mars">Human mission</a></li> <li><a href="/wiki/Mars_to_Stay" title="Mars to Stay">Permanent settlement</a></li> <li><a href="/wiki/Colonization_of_Mars" title="Colonization of Mars">Colonization</a></li> <li><a href="/wiki/Terraforming_of_Mars" title="Terraforming of Mars">Terraforming</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Template:Mars_spacecraft" title="Template:Mars spacecraft">Missions</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_missions_to_Mars" title="List of missions to Mars">List of missions to Mars</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Advocacy</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i><a href="/wiki/The_Mars_Project" title="The Mars Project">The Mars Project</a></i></li> <li><i><a href="/wiki/The_Case_for_Mars" title="The Case for Mars">The Case for Mars</a></i></li> <li><a href="/wiki/Inspiration_Mars_Foundation" title="Inspiration Mars Foundation">Inspiration Mars Foundation</a></li> <li><a href="/wiki/Mars_Institute" title="Mars Institute">Mars Institute</a></li> <li><a href="/wiki/Mars_Society" title="Mars Society">Mars Society</a></li> <li><a href="/wiki/Mars_race" title="Mars race">Mars race</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">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/List_of_artificial_objects_on_Mars" title="List of artificial objects on Mars">Artificial objects on Mars</a> <ul><li><a href="/wiki/List_of_extraterrestrial_memorials#Mars" title="List of extraterrestrial memorials">Memorials on Mars</a></li></ul></li> <li><a href="/wiki/Mars_in_fiction" title="Mars in fiction">Fiction</a> <ul><li><a href="/wiki/List_of_films_set_on_Mars" title="List of films set on Mars">List of films set on Mars</a></li> <li><a href="/wiki/Martian_scientist" title="Martian scientist">Martian scientist</a></li> <li><a href="/wiki/Mars_(mythology)" title="Mars (mythology)">Mythology</a></li></ul></li> <li><a href="/wiki/Flag_of_Mars" title="Flag of Mars">Flag of Mars</a></li> <li><a href="/wiki/Life_on_Mars" title="Life on Mars">Life on Mars</a></li> <li><a href="/wiki/Sub-Earth" title="Sub-Earth">Sub-Earth</a></li> <li><a href="/wiki/Timekeeping_on_Mars" title="Timekeeping on Mars">Timekeeping on Mars</a> <ul><li><a href="/wiki/Mars_sol" title="Mars sol">Sol (day on Mars)</a></li> <li><a href="/wiki/Darian_calendar" title="Darian calendar">Darian calendar</a></li></ul></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li> <span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, 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