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id="toc-Lightcurves-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Diameter_and_albedo" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Diameter_and_albedo"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Diameter and albedo</span> </div> </a> <ul id="toc-Diameter_and_albedo-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Composition" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Composition"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Composition</span> </div> </a> <ul id="toc-Composition-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Exploration" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Exploration"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Exploration</span> </div> </a> <ul id="toc-Exploration-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Name" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Name"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Name</span> </div> </a> <ul id="toc-Name-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 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Available in 41 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-41" 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">41 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/617_%D8%A8%D8%A7%D8%AA%D8%B1%D9%88%D9%83%D9%84%D9%88%D8%B3" title="617 باتروكلوس – Arabic" lang="ar" hreflang="ar" data-title="617 باتروكلوس" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Minnan" lang="nan" hreflang="nan" data-title="617 Patroclus" 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-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/(617)_P%C3%A0trocle" title="(617) Pàtrocle – Catalan" lang="ca" hreflang="ca" data-title="(617) Pàtrocle" 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/Patroclus_(planetka)" title="Patroclus (planetka) – Czech" lang="cs" hreflang="cs" data-title="Patroclus (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/(617)_Patroclus" title="(617) Patroclus – German" lang="de" hreflang="de" data-title="(617) Patroclus" 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/617_%CE%A0%CE%AC%CF%84%CF%81%CE%BF%CE%BA%CE%BB%CE%BF%CF%82" title="617 Πάτροκλος – Greek" lang="el" hreflang="el" data-title="617 Πάτροκλος" 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/(617)_Patroclo" title="(617) Patroclo – Spanish" lang="es" hreflang="es" data-title="(617) Patroclo" 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/617_Patroklo" title="617 Patroklo – Esperanto" lang="eo" hreflang="eo" data-title="617 Patroklo" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/617_Patroklo" title="617 Patroklo – Basque" lang="eu" hreflang="eu" data-title="617 Patroklo" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D8%A7%D8%AA%D8%B1%D9%88%DA%A9%D9%84%D9%88%D8%B3_%DB%B6%DB%B1%DB%B7" title="پاتروکلوس ۶۱۷ – Persian" lang="fa" hreflang="fa" data-title="پاتروکلوس ۶۱۷" 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/(617)_Patrocle" title="(617) Patrocle – French" lang="fr" hreflang="fr" data-title="(617) Patrocle" 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/(617)_%D5%8A%D5%A1%D5%BF%D6%80%D5%B8%D5%AF%D5%AC%D5%B8%D6%82%D5%BD" title="(617) Պատրոկլուս – Armenian" lang="hy" hreflang="hy" data-title="(617) Պատրոկլուս" 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/617_Patroclus" title="617 Patroclus – Indonesian" lang="id" hreflang="id" data-title="617 Patroclus" 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/617_Patroclus" title="617 Patroclus – Italian" lang="it" hreflang="it" data-title="617 Patroclus" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%9F%D0%B0%D1%82%D1%80%D0%BE%D0%BA%D0%BB" title="Патрокл – Komi" lang="kv" hreflang="kv" data-title="Патрокл" data-language-autonym="Коми" data-language-local-name="Komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Latin" lang="la" hreflang="la" data-title="617 Patroclus" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Hungarian" lang="hu" hreflang="hu" data-title="617 Patroclus" 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/%D8%A8%D8%A7%D8%AA%D8%B1%D9%88%D9%83%D9%84%D9%88%D8%B3_617" title="باتروكلوس 617 – Egyptian Arabic" lang="arz" hreflang="arz" data-title="باتروكلوس 617" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Minangkabau" lang="min" hreflang="min" data-title="617 Patroclus" data-language-autonym="Minangkabau" data-language-local-name="Minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%91%E3%83%88%E3%83%AD%E3%82%AF%E3%83%AD%E3%82%B9_(%E5%B0%8F%E6%83%91%E6%98%9F)" title="パトロクロス (小惑星) – Japanese" lang="ja" hreflang="ja" data-title="パトロクロス (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/(617)_%D0%9F%D0%B0%D1%82%D1%80%D0%BE%D0%BA%D0%BB" title="(617) Патрокл – Chechen" lang="ce" hreflang="ce" data-title="(617) Патрокл" 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/617_Patroclus" title="617 Patroclus – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="617 Patroclus" 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/617_Patroclus" title="617 Patroclus – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="617 Patroclus" 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-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/(617)_Patroclus" title="(617) Patroclus – Occitan" lang="oc" hreflang="oc" data-title="(617) Patroclus" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/(617)_Patroclus" title="(617) Patroclus – Low German" lang="nds" hreflang="nds" data-title="(617) Patroclus" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/(617)_Patroclus" title="(617) Patroclus – Polish" lang="pl" hreflang="pl" data-title="(617) Patroclus" 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/617_P%C3%A1troclo" title="617 Pátroclo – Portuguese" lang="pt" hreflang="pt" data-title="617 Pátroclo" 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/617_Patroclus" title="617 Patroclus – Romanian" lang="ro" hreflang="ro" data-title="617 Patroclus" 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/(617)_%D0%9F%D0%B0%D1%82%D1%80%D0%BE%D0%BA%D0%BB" title="(617) Патрокл – Russian" lang="ru" hreflang="ru" data-title="(617) Патрокл" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Simple English" lang="en-simple" hreflang="en-simple" data-title="617 Patroclus" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Slovak" lang="sk" hreflang="sk" data-title="617 Patroclus" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/617_%D0%9F%D0%B0%D1%82%D1%80%D0%BE%D0%BA%D0%BB%D0%BE" title="617 Патрокло – Serbian" lang="sr" hreflang="sr" data-title="617 Патрокло" 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-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Serbo-Croatian" lang="sh" hreflang="sh" data-title="617 Patroclus" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Finnish" lang="fi" hreflang="fi" data-title="617 Patroclus" 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/617_Patroclus" title="617 Patroclus – Swedish" lang="sv" hreflang="sv" data-title="617 Patroclus" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl badge-Q70894304 mw-list-item" title=""><a href="https://tl.wikipedia.org/wiki/617_Patroclus" title="617 Patroclus – Tagalog" lang="tl" hreflang="tl" data-title="617 Patroclus" 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/(617)_%D0%9F%D0%B0%D1%82%D1%80%D0%BE%D0%BA%D0%BB" title="(617) Патрокл – Tatar" lang="tt" hreflang="tt" data-title="(617) Патрокл" 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/617_Patroklos" title="617 Patroklos – Turkish" lang="tr" hreflang="tr" data-title="617 Patroklos" 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/617_%D0%9F%D0%B0%D1%82%D1%80%D0%BE%D0%BA%D0%BB" title="617 Патрокл – Ukrainian" lang="uk" hreflang="uk" data-title="617 Патрокл" 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/617_Patroclus" title="617 Patroclus – Vietnamese" lang="vi" hreflang="vi" data-title="617 Patroclus" 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%8F%E8%A1%8C%E6%98%9F617" title="小行星617 – Chinese" lang="zh" hreflang="zh" data-title="小行星617" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet 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id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=Menoetius_(moon)&redirect=no" class="mw-redirect" title="Menoetius (moon)">Menoetius (moon)</a>)</span></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">Jupiter trojan asteroid</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">617 Patroclus</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:617_Patroclus_Hubble.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c2/617_Patroclus_Hubble.jpg/290px-617_Patroclus_Hubble.jpg" decoding="async" width="290" height="290" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/c/c2/617_Patroclus_Hubble.jpg 1.5x" data-file-width="380" data-file-height="380" /></a></span><div class="infobox-caption"><a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a> image composite of Patroclus and its companion Menoetius, taken in 2018</div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C2FFFF">Discovery <sup id="cite_ref-MPC-object_1-0" class="reference"><a href="#cite_note-MPC-object-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/August_Kopff" title="August Kopff">A. Kopff</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/List_of_observatory_codes" title="List of observatory codes">Discovery site</a></th><td class="infobox-data"><a href="/wiki/Heidelberg-K%C3%B6nigstuhl_State_Observatory" title="Heidelberg-Königstuhl State Observatory">Heidelberg Obs.</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Discovery date</th><td class="infobox-data">17 October 1906</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C2FFFF">Designations</th></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_designation" title="Minor-planet designation">MPC designation</a></div></th><td class="infobox-data">(617) Patroclus</td></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="'p' in 'pie'">p</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'t' in 'tie'">t</span><span title="'r' in 'rye'">r</span><span title="/oʊ/: 'o' in 'code'">oʊ</span><span title="'k' in 'kind'">k</span><span title="'l' in 'lie'">l</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span><sup id="cite_ref-pron_2-0" class="reference"><a href="#cite_note-pron-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/Patroclus" title="Patroclus">Πάτροκλος</a> <i>Patroklos</i><br /><span style="font-size:85%;">(<a href="/wiki/Greek_mythology" title="Greek mythology">Greek mythology</a>)</span><sup id="cite_ref-springer_3-0" class="reference"><a href="#cite_note-springer-3"><span class="cite-bracket">[</span>3<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;"><a href="/wiki/Provisional_designation_in_astronomy" title="Provisional designation in astronomy">Alternative designations</a></div></th><td class="infobox-data">1906 VY <b>·</b> 1941 XC<br />1962 NB</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/Jupiter_trojan" title="Jupiter trojan">Jupiter trojan</a> <sup id="cite_ref-MPC-object_1-1" class="reference"><a href="#cite_note-MPC-object-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-jpldata_4-0" class="reference"><a href="#cite_note-jpldata-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-lcdb_5-0" class="reference"><a href="#cite_note-lcdb-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><a href="/wiki/Trojan_camp" class="mw-redirect" title="Trojan camp">Trojan</a> <sup id="cite_ref-MPC-Jupiter-Trojans_6-0" class="reference"><a href="#cite_note-MPC-Jupiter-Trojans-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-AstDys-object_7-0" class="reference"><a href="#cite_note-AstDys-object-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> <b>·</b> <a href="/wiki/Background_asteroid" class="mw-redirect" title="Background asteroid">background</a> <sup id="cite_ref-AstDys-object_7-1" class="reference"><a href="#cite_note-AstDys-object-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup></span></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/List_of_adjectivals_and_demonyms_of_astronomical_bodies" title="List of adjectivals and demonyms of astronomical bodies">Adjectives</a></th><td class="infobox-data">Patroclean <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="'p' in 'pie'">p</span><span title="/æ/: 'a' in 'bad'">æ</span><span title="'t' in 'tie'">t</span><span title="'r' in 'rye'">r</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'k' in 'kind'">k</span><span title="'l' in 'lie'">l</span><span title="/iː/: 'ee' in 'fleece'">iː</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'n' in 'nigh'">n</span></span>/</a></span></span><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></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C2FFFF"><a href="/wiki/Osculating_orbit" title="Osculating orbit">Orbital characteristics</a> <sup id="cite_ref-jpldata_4-1" class="reference"><a href="#cite_note-jpldata-4"><span class="cite-bracket">[</span>4<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> 25 February 2023 (<a href="/wiki/Julian_day" title="Julian day">JD</a> 2460000.5)</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/Perihelion_and_aphelion" class="mw-redirect" title="Perihelion and aphelion">Aphelion</a></th><td class="infobox-data">5.937 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</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">4.480 AU</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">5.209 AU</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">0.1399</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">11.89 yr (4,342 d)</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">319.506<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° 4<sup>m</sup> 58.464<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">22.062°</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">44.360°</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">308.306°</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 (Menoetius)<sup id="cite_ref-johnstonsarchive_9-0" class="reference"><a href="#cite_note-johnstonsarchive-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup></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">0.1868 AU</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">2.835</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#C2FFFF"><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"><span class="nowrap"><span data-sort-value="7005127000000000000♠"></span>127 <a href="/wiki/Kilometre" title="Kilometre">km</a> × 117 <a href="/wiki/Kilometre" title="Kilometre">km</a> × 98 <a href="/wiki/Kilometre" title="Kilometre">km</a></span> <span style="font-size:85%;">(primary only)</span><sup id="cite_ref-Buie-2015_10-0" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<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;"><a href="/wiki/Mean_radius_(astronomy)" title="Mean radius (astronomy)">Mean diameter</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7005113000000000000♠"></span>113<span style="margin-left:0.3em;margin-right:0.15em;">±</span>3 km</span> <span style="font-size:85%;">(primary only)</span><sup id="cite_ref-Buie-2015_10-1" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7005140360000000000♠"></span>140.36<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.87 <a href="/wiki/Kilometre" title="Kilometre">km</a></span><sup id="cite_ref-Grav-2012_11-0" class="reference"><a href="#cite_note-Grav-2012-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7005140850000000000♠"></span>140.85<span style="margin-left:0.3em;margin-right:0.15em;">±</span>3.37 km</span><sup id="cite_ref-AKARI_12-0" class="reference"><a href="#cite_note-AKARI-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7005140920000000000♠"></span>140.92<span style="margin-left:0.3em;margin-right:0.15em;">±</span>4.7 km</span><sup id="cite_ref-SIMPS_13-0" class="reference"><a href="#cite_note-SIMPS-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7005143140000000000♠"></span>143.14<span style="margin-left:0.3em;margin-right:0.15em;">±</span>8.37 km</span><sup id="cite_ref-Carry-2012_14-0" class="reference"><a href="#cite_note-Carry-2012-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7005154000000000000♠"></span>154 km</span><sup id="cite_ref-Buie-2015_10-2" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Volume" title="Volume">Volume</a></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7015136000000000000♠"></span>1.36<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>6</sup> km<sup>3</sup></span><sup id="cite_ref-Buie-2015_10-3" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Mass" title="Mass">Mass</a></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7018136000000000000♠"></span>(1.36<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.11)<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>18</sup> <a href="/wiki/Kilogram" title="Kilogram">kg</a></span><sup id="cite_ref-Carry-2012_14-1" class="reference"><a href="#cite_note-Carry-2012-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7018120000000000000♠"></span>1.20<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>18</sup> kg</span><sup id="cite_ref-Buie-2015_10-4" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<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;">Mean <a href="/wiki/Density" title="Density">density</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7002880000000000000♠"></span>0.88<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.17 g/cm<sup>3</sup></span><sup id="cite_ref-Carry-2012_14-2" class="reference"><a href="#cite_note-Carry-2012-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Buie-2015_10-5" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<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;"><a href="/wiki/Synodic_rotation_period" class="mw-redirect" title="Synodic rotation period">Synodic rotation period</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7005370080000000000♠"></span>102.8 h</span><sup id="cite_ref-Marchis-2006a_15-0" class="reference"><a href="#cite_note-Marchis-2006a-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7005367200000000000♠"></span>102 h</span><sup id="cite_ref-geneva-obs_16-0" class="reference"><a href="#cite_note-geneva-obs-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7005370872000000000♠"></span>103.02<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.40 h</span><sup id="cite_ref-Mueller-2010_17-0" class="reference"><a href="#cite_note-Mueller-2010-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7005372600000000000♠"></span>103.5<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.3 h</span><sup id="cite_ref-Oey-2012c_18-0" class="reference"><a href="#cite_note-Oey-2012c-18"><span class="cite-bracket">[</span>18<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;"><a href="/wiki/Geometric_albedo" title="Geometric albedo">Geometric albedo</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="6998470000000000000♠"></span>0.047<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.003</span><sup id="cite_ref-Grav-2012_11-1" class="reference"><a href="#cite_note-Grav-2012-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-AKARI_12-1" class="reference"><a href="#cite_note-AKARI-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-SIMPS_13-1" class="reference"><a href="#cite_note-SIMPS-13"><span class="cite-bracket">[</span>13<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;"><a href="/wiki/Asteroid_spectral_types" title="Asteroid spectral types">Spectral type</a></div></th><td class="infobox-data"><a href="/wiki/D-type_asteroid" title="D-type asteroid">D</a> <span style="font-size:85%;">(<a href="/wiki/Tholen_classification" class="mw-redirect" title="Tholen classification">Tholen</a>)</span><sup id="cite_ref-Ferret_19-0" class="reference"><a href="#cite_note-Ferret-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><br /><a href="/wiki/C-type_asteroid" title="C-type asteroid">C</a>0 <span style="font-size:85%;">(Barucci)</span><sup id="cite_ref-Ferret_19-1" class="reference"><a href="#cite_note-Ferret-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><br /><a href="/wiki/D-type_asteroid" title="D-type asteroid">D</a> <span style="font-size:85%;">(Tedesco)</span><sup id="cite_ref-Ferret_19-2" class="reference"><a href="#cite_note-Ferret-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><br /><a href="/wiki/Asteroid_color_indices" class="mw-redirect" title="Asteroid color indices">U–B</a> = <span class="nowrap"><span data-sort-value="6999215000000000000♠"></span>0.215<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.045</span><sup id="cite_ref-Ferret_19-3" class="reference"><a href="#cite_note-Ferret-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup><br /><a href="/wiki/Asteroid_color_indices" class="mw-redirect" title="Asteroid color indices">B–V</a> = <span class="nowrap"><span data-sort-value="6999710000000000000♠"></span>0.710<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.050</span><sup id="cite_ref-Chatelain-2016_20-0" class="reference"><a href="#cite_note-Chatelain-2016-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><br /><a href="/wiki/Asteroid_color_indices" class="mw-redirect" title="Asteroid color indices">V–R</a> = <span class="nowrap"><span data-sort-value="6999420000000000000♠"></span>0.420<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.030</span><sup id="cite_ref-Chatelain-2016_20-1" class="reference"><a href="#cite_note-Chatelain-2016-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><br /><a href="/wiki/Asteroid_color_indices" class="mw-redirect" title="Asteroid color indices">V–I</a> = <span class="nowrap"><span data-sort-value="6999830000000000000♠"></span>0.830<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.020</span><sup id="cite_ref-Chatelain-2016_20-2" class="reference"><a href="#cite_note-Chatelain-2016-20"><span class="cite-bracket">[</span>20<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;"><a href="/wiki/Absolute_magnitude#Solar_System_bodies_(H)" title="Absolute magnitude">Absolute magnitude <i>(H)</i></a></div></th><td class="infobox-data">8.18<sup id="cite_ref-jpldata_4-2" class="reference"><a href="#cite_note-jpldata-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Grav-2012_11-2" class="reference"><a href="#cite_note-Grav-2012-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-AKARI_12-2" class="reference"><a href="#cite_note-AKARI-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-SIMPS_13-2" class="reference"><a href="#cite_note-SIMPS-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-lcdb_5-1" class="reference"><a href="#cite_note-lcdb-5"><span class="cite-bracket">[</span>5<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>617 Patroclus</b> (<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="'p' in 'pie'">p</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'t' in 'tie'">t</span><span title="'r' in 'rye'">r</span><span title="/oʊ/: 'o' in 'code'">oʊ</span><span title="'k' in 'kind'">k</span><span title="'l' in 'lie'">l</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span> <a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key"><i title="English pronunciation respelling">pə-<span style="font-size:90%">TROH</span>-kləs</i></a>) is a large binary <a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter trojan</a> asteroid. It is a dark <a href="/wiki/D-type_asteroid" title="D-type asteroid">D-type asteroid</a> and a <a href="/wiki/List_of_slow_rotators_(minor_planets)" title="List of slow rotators (minor planets)">slow rotator</a>, due to the 103-hour orbital period of its two components. It is one of five Jupiter trojan asteroids targeted by the <i><a href="/wiki/Lucy_(spacecraft)" title="Lucy (spacecraft)">Lucy</a></i> space probe, and is scheduled for a <a href="/wiki/Flyby_(spaceflight)" title="Flyby (spaceflight)">flyby</a> in 2033. </p><p>Patroclus was discovered on 17 October 1906, by astronomer <a href="/wiki/August_Kopff" title="August Kopff">August Kopff</a> at the <a href="/wiki/Heidelberg_Observatory" class="mw-redirect" title="Heidelberg Observatory">Heidelberg Observatory</a> in Germany, and was named after <a href="/wiki/Patroclus" title="Patroclus">Patroclus</a> in Greek mythology.<sup id="cite_ref-MPC-object_1-2" class="reference"><a href="#cite_note-MPC-object-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> It was the second trojan to be discovered and the only member of the <a href="/wiki/Trojan_camp" class="mw-redirect" title="Trojan camp">Trojan camp</a> named after a Greek figure, as the convention of naming one 'camp' after Greek figures of the Trojan War and the other after Trojan figures had not yet been established.<sup id="cite_ref-springer_3-1" class="reference"><a href="#cite_note-springer-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Patroclus was long thought to be one of the <a class="mw-selflink-fragment" href="#Diameter_and_albedo">largest Jupiter trojans</a>, with a diameter on the order of 150 km. However, in 2001 it was discovered to be a <a href="/wiki/Binary_asteroid" title="Binary asteroid">binary asteroid</a> of two similarly sized objects. The name <i>Patroclus</i> is now assigned to the larger component, some 110–115 km in diameter, while the secondary, slightly smaller at 100–105 km in diameter, has been named Menoetius (<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="'m' in 'my'">m</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'n' in 'nigh'">n</span><span title="/iː/: 'ee' in 'fleece'">iː</span><span title="/ʃ/: 'sh' in 'shy'">ʃ</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span> <a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key"><i title="English pronunciation respelling">mə-<span style="font-size:90%">NEE</span>-shəs</i></a>).<sup id="cite_ref-Diameters_21-0" class="reference"><a href="#cite_note-Diameters-21"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> This was the first discovery of a binary trojan asteroid.<sup id="cite_ref-johnstonsarchive_9-1" class="reference"><a href="#cite_note-johnstonsarchive-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Orbit">Orbit</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=1" title="Edit section: Orbit"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Patroclus orbits in Jupiter's trailing <a href="/wiki/Lagrangian_point" class="mw-redirect" title="Lagrangian point">Lagrangian point</a>, <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>5</sub></a>,<sup id="cite_ref-johnstonsarchive_9-2" class="reference"><a href="#cite_note-johnstonsarchive-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> in an area called the <a href="/wiki/Trojan_camp" class="mw-redirect" title="Trojan camp">Trojan camp</a> after one of the sides in the legendary <a href="/wiki/Trojan_War" title="Trojan War">Trojan War</a> (the other node, at the <a href="/wiki/Lagrange_point#L4_and_L5" title="Lagrange point">L<sub>4</sub> point</a>, is called the "Greek camp"). </p><p>It orbits the Sun at a distance of 4.5–5.9 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> once every 11 years and 11 months (4,353 days). Its orbit has an <a href="/wiki/Orbital_eccentricity" title="Orbital eccentricity">eccentricity</a> of 0.14 and an <a href="/wiki/Orbital_inclination" title="Orbital inclination">inclination</a> of 22<a href="/wiki/Degree_(angle)" title="Degree (angle)">°</a> with respect to the <a href="/wiki/Ecliptic" title="Ecliptic">ecliptic</a>.<sup id="cite_ref-jpldata_4-3" class="reference"><a href="#cite_note-jpldata-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> The asteroid's <a href="/wiki/Observation_arc" title="Observation arc">observation arc</a> begins at the discovering Heidelberg Observatory in November 1906, about 3 weeks after its official discovery observation.<sup id="cite_ref-MPC-object_1-3" class="reference"><a href="#cite_note-MPC-object-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Binary_system">Binary system</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=2" title="Edit section: Binary system"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Patroclus-Menoetius-orbit.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Patroclus-Menoetius-orbit.gif/220px-Patroclus-Menoetius-orbit.gif" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Patroclus-Menoetius-orbit.gif/330px-Patroclus-Menoetius-orbit.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2d/Patroclus-Menoetius-orbit.gif/440px-Patroclus-Menoetius-orbit.gif 2x" data-file-width="900" data-file-height="600" /></a><figcaption>Hubble images of Patroclus and Menoetius orbiting each other, from May to June 2017</figcaption></figure> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:PatroclusMenoetius-binary.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/PatroclusMenoetius-binary.gif/220px-PatroclusMenoetius-binary.gif" decoding="async" width="220" height="46" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/27/PatroclusMenoetius-binary.gif/330px-PatroclusMenoetius-binary.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/27/PatroclusMenoetius-binary.gif/440px-PatroclusMenoetius-binary.gif 2x" data-file-width="1200" data-file-height="250" /></a><figcaption>Artist's conception of Patroclus and Menoetius orbiting around their center of mass, occasionally eclipsing one another</figcaption></figure> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:PatroclusMenoetius-artists-impression.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/PatroclusMenoetius-artists-impression.png/220px-PatroclusMenoetius-artists-impression.png" decoding="async" width="220" height="158" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b2/PatroclusMenoetius-artists-impression.png/330px-PatroclusMenoetius-artists-impression.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b2/PatroclusMenoetius-artists-impression.png/440px-PatroclusMenoetius-artists-impression.png 2x" data-file-width="1138" data-file-height="816" /></a><figcaption>Artist's impression of the Patroclus-Menoetius binary system</figcaption></figure> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"><table class="infobox"><caption class="infobox-title fn org">Menoetius</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:617PatroclusMenoetius20131021.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/01/617PatroclusMenoetius20131021.jpg/290px-617PatroclusMenoetius20131021.jpg" decoding="async" width="290" height="241" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/01/617PatroclusMenoetius20131021.jpg/435px-617PatroclusMenoetius20131021.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/01/617PatroclusMenoetius20131021.jpg/580px-617PatroclusMenoetius20131021.jpg 2x" data-file-width="800" data-file-height="664" /></a></span><div class="infobox-caption">Plot of the results of the multi-chord stellar occultation by 617 Patroclus and Menoetius</div></td></tr><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">2001</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#E0CCFF">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="'m' in 'my'">m</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'n' in 'nigh'">n</span><span title="/iː/: 'ee' in 'fleece'">iː</span><span title="/ʃ/: 'sh' in 'shy'">ʃ</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span></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/Menoetius" title="Menoetius">Menoetius</a> <span style="font-size:85%;">(<a href="/wiki/Greek_mythology" title="Greek mythology">Greek mythology</a>)</span></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/List_of_adjectivals_and_demonyms_of_astronomical_bodies" title="List of adjectivals and demonyms of astronomical bodies">Adjectives</a></th><td class="infobox-data">Menoetian <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="'m' in 'my'">m</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'n' in 'nigh'">n</span><span title="/iː/: 'ee' in 'fleece'">iː</span><span title="/ʃ/: 'sh' in 'shy'">ʃ</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'n' in 'nigh'">n</span></span>/</a></span></span><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>)</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><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"><span class="nowrap"><span data-sort-value="7005680000000000000♠"></span>680<span style="margin-left:0.3em;margin-right:0.15em;">±</span>20 km</span><sup id="cite_ref-johnstonsarchive_9-3" class="reference"><a href="#cite_note-johnstonsarchive-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><br />664.6 km<sup id="cite_ref-Buie-2015_10-6" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<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;"><a href="/wiki/Orbital_period" title="Orbital period">Orbital period (sidereal)</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7005370080000000000♠"></span>102.8 h</span></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Natural_satellite" title="Natural satellite">Satellite of</a></th><td class="infobox-data">Patroclus</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#E0CCFF"><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"><span class="nowrap"><span data-sort-value="7005117000000000000♠"></span>117 km × 108 km × 90 km</span><sup id="cite_ref-Buie-2015_10-7" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<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;"><a href="/wiki/Mean_radius_(astronomy)" title="Mean radius (astronomy)">Mean diameter</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7005104000000000000♠"></span>104<span style="margin-left:0.3em;margin-right:0.15em;">±</span>3 km</span><sup id="cite_ref-Buie-2015_10-8" class="reference"><a href="#cite_note-Buie-2015-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup></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>In 2001, it was discovered that Patroclus is a <a href="/wiki/Binary_asteroid" title="Binary asteroid">binary system</a>, made up of two components of roughly similar size.<sup id="cite_ref-johnstonsarchive_9-4" class="reference"><a href="#cite_note-johnstonsarchive-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Merline_23-0" class="reference"><a href="#cite_note-Merline-23"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-IAU-list_24-0" class="reference"><a href="#cite_note-IAU-list-24"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> It is one of six Trojan asteroids <a href="/wiki/Minor-planet_moon#Jupiter_trojans" title="Minor-planet moon">believed to be binary</a>. In 2006, accurate measurements of the orbit from the <a href="/wiki/Keck_telescopes" class="mw-redirect" title="Keck telescopes">Keck</a> <a href="/wiki/Laser_guide_star" title="Laser guide star">Laser guide star</a> <a href="/wiki/Adaptive_optics" title="Adaptive optics">adaptive optics</a> system were reported.<sup id="cite_ref-Marchis2006_25-0" class="reference"><a href="#cite_note-Marchis2006-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p><p>It was estimated<sup id="cite_ref-Sanders_26-0" class="reference"><a href="#cite_note-Sanders-26"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> that the two components orbit around their <a href="/wiki/Center_of_mass" title="Center of mass">center of mass</a> in <span class="nowrap"><span data-sort-value="7000428300000000000♠"></span>4.283<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.004</span> days at a distance of <span class="nowrap"><span data-sort-value="7005680000000000000♠"></span>680<span style="margin-left:0.3em;margin-right:0.15em;">±</span>20 km</span> in a roughly circular orbit.<sup id="cite_ref-johnstonsarchive_9-5" class="reference"><a href="#cite_note-johnstonsarchive-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Combining these observations with thermal measurements taken in 2000, the sizes of the components of the system were estimated at 106 km and 98 km, with an equivalent whole-system diameter of 145 km,<sup id="cite_ref-johnstonsarchive_9-6" class="reference"><a href="#cite_note-johnstonsarchive-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> refined by later measurements from the Keck Observatory to approximately 122 km and 112 km for each partner,<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> and a co-orbital period of <span class="nowrap"><span data-sort-value="7002103500000000000♠"></span>103.5<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.3</span> hours (<span class="nowrap"><span data-sort-value="7000431250000000000♠"></span>4.3125<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.0125</span> days).<sup id="cite_ref-Marchis2006_25-1" class="reference"><a href="#cite_note-Marchis2006-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Oey-2012c_18-1" class="reference"><a href="#cite_note-Oey-2012c-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p><p>On 21 October 2013, both bodies <a href="/wiki/Occultation" title="Occultation">occulted</a> a <a href="/wiki/Magnitude_(astronomy)" title="Magnitude (astronomy)">magnitude</a> 8.8 star as observed by a team of 41 observers stationed across the USA. Observation data put the orbital distance at the time of 664.6 km (with an unstated uncertainty), and give a size for the slightly larger component, which retains the name Patroclus with overall volume equivalent to a <span class="nowrap"><span data-sort-value="7005113000000000000♠"></span>113<span style="margin-left:0.3em;margin-right:0.15em;">±</span>3 km</span>–diameter sphere, with the smaller component now named Menoetius with a volume equivalent to a <span class="nowrap"><span data-sort-value="7005104000000000000♠"></span>104<span style="margin-left:0.3em;margin-right:0.15em;">±</span>3 km</span>–diameter sphere. </p> <div class="mw-heading mw-heading2"><h2 id="Physical_characteristics">Physical characteristics</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=3" title="Edit section: Physical characteristics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Lightcurves">Lightcurves</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=4" title="Edit section: Lightcurves"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Since 1989, several rotational <a href="/wiki/Lightcurve" class="mw-redirect" title="Lightcurve">lightcurves</a> of Patroclus have been obtained from photometric observations. Analysis of the best rated lightcurves gave a <a href="/wiki/Rotation_period" class="mw-redirect" title="Rotation period">rotation period</a> between 102.8 and 103.5 hours with a brightness amplitude of less than 0.1 <a href="/wiki/Magnitude_(astronomy)" title="Magnitude (astronomy)">magnitude</a> (<span style="font-size:85%;"><a href="/wiki/LCDB_quality_code" class="mw-redirect" title="LCDB quality code">U=2/3/</a></span>).<sup id="cite_ref-Marchis-2006a_15-1" class="reference"><a href="#cite_note-Marchis-2006a-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-geneva-obs_16-1" class="reference"><a href="#cite_note-geneva-obs-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Mueller-2010_17-1" class="reference"><a href="#cite_note-Mueller-2010-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Oey-2012c_18-2" class="reference"><a href="#cite_note-Oey-2012c-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> A low brightness variation typically indicates that a body has a nearly spheroidal shape. Its long rotation period makes it a <a href="/wiki/List_of_slow_rotators_(minor_planets)" title="List of slow rotators (minor planets)">slow rotator</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Diameter_and_albedo">Diameter and albedo</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=5" title="Edit section: Diameter and albedo"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>According to the surveys carried out by the Infrared Astronomical Satellite <a href="/wiki/IRAS" title="IRAS">IRAS</a> and NASA's <a href="/wiki/Wide-field_Infrared_Survey_Explorer" title="Wide-field Infrared Survey Explorer">Wide-field Infrared Survey Explorer</a> with its subsequent <a href="/wiki/NEOWISE" class="mw-redirect" title="NEOWISE">NEOWISE</a> mission, the Patroclus system has an effective combined size between 140.36 and 140.92 kilometers in diameter and its surface has an <a href="/wiki/Astronomical_albedo" class="mw-redirect" title="Astronomical albedo">albedo</a> of 0.047.<sup id="cite_ref-Grav-2012_11-3" class="reference"><a href="#cite_note-Grav-2012-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-SIMPS_13-3" class="reference"><a href="#cite_note-SIMPS-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> The <i>Collaborative Asteroid Lightcurve Link</i> adopts the results obtained by IRAS, that is, an albedo of 0.0471 and a diameter of 140.92 kilometers based on an <a href="/wiki/Absolute_magnitude" title="Absolute magnitude">absolute magnitude</a> of 8.19.<sup id="cite_ref-lcdb_5-2" class="reference"><a href="#cite_note-lcdb-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Composition">Composition</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=6" title="Edit section: Composition"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Recent evidence suggests that the objects are icy like <a href="/wiki/Comet" title="Comet">comets</a>, rather than rocky like most <a href="/wiki/Asteroid" title="Asteroid">asteroids</a>. In the <a href="/wiki/Tholen_classification" class="mw-redirect" title="Tholen classification">Tholen classification</a>, Patroclus is a dark <a href="/wiki/P-type_asteroid" title="P-type asteroid">P-type asteroid</a>.<sup id="cite_ref-lcdb_5-3" class="reference"><a href="#cite_note-lcdb-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Because the density of the components (0.88 g/cm<sup>3</sup>) is less than water and about one third that of rock, it was suggested that the Patroclus system, previously thought to be a pair of rocky <a href="/wiki/Asteroid" title="Asteroid">asteroids</a>, is more similar to a <a href="/wiki/Comet" title="Comet">comet</a> in composition.<sup id="cite_ref-Marchis2006_25-2" class="reference"><a href="#cite_note-Marchis2006-25"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> It is suspected that many Jupiter trojans are in fact small <a href="/wiki/Planetesimal" title="Planetesimal">planetesimals</a> captured in the Lagrange point of the Jupiter–Sun system during the <a href="/wiki/Nice_model" title="Nice model">migration</a> of the <a href="/wiki/Gas_giant" title="Gas giant">giant planets</a> 3.9 billion years ago. This scenario was proposed by A. Morbidelli and colleagues in a series of articles published in May 2005 in <i><a href="/wiki/Nature_(journal)" title="Nature (journal)">Nature</a></i>.<sup id="cite_ref-Morbidelli2005_28-0" class="reference"><a href="#cite_note-Morbidelli2005-28"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Exploration">Exploration</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=7" title="Edit section: Exploration"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Animation_of_Lucy%27s_trajectory_around_Sun.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/Animation_of_Lucy%27s_trajectory_around_Sun.gif/220px-Animation_of_Lucy%27s_trajectory_around_Sun.gif" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7b/Animation_of_Lucy%27s_trajectory_around_Sun.gif/330px-Animation_of_Lucy%27s_trajectory_around_Sun.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7b/Animation_of_Lucy%27s_trajectory_around_Sun.gif/440px-Animation_of_Lucy%27s_trajectory_around_Sun.gif 2x" data-file-width="560" data-file-height="420" /></a><figcaption>Animation of Lucy's trajectory around Sun<br /><style data-mw-deduplicate="TemplateStyles:r981673959">.mw-parser-output .legend{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .legend-color{display:inline-block;min-width:1.25em;height:1.25em;line-height:1.25;margin:1px 0;text-align:center;border:1px solid black;background-color:transparent;color:black}.mw-parser-output .legend-text{}</style><span class="legend nowrap"><span class="legend-color mw-no-invert" style="background-color: Magenta ; color:black;"> </span> Lucy</span> <b>·</b> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="background-color: yellow; color:black;"> </span>  Sun</span> <b>·</b> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="background-color: RoyalBlue; color:white;"> </span>  Earth</span> <b>·</b> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="background-color: Lime; color:black;"> </span>  52246 Donaldjohanson </span> <b>·</b> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="background-color: Cyan; color:black;"> </span> 3548 Eurybates</span> <b>·</b> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="background-color: Gold; color:black;"> </span>  21900 Orus</span> <b>·</b> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r981673959"><span class="legend nowrap"><span class="legend-color mw-no-invert" style="background-color: Orangered; color:black;"> </span>  617 Patroclus</span></figcaption></figure> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Lucy-PatroclusMenoetius-art.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Lucy-PatroclusMenoetius-art.png/220px-Lucy-PatroclusMenoetius-art.png" decoding="async" width="220" height="124" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Lucy-PatroclusMenoetius-art.png/330px-Lucy-PatroclusMenoetius-art.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0f/Lucy-PatroclusMenoetius-art.png/440px-Lucy-PatroclusMenoetius-art.png 2x" data-file-width="1920" data-file-height="1080" /></a><figcaption>Artist's impression of the <i><a href="/wiki/Lucy_(spacecraft)" title="Lucy (spacecraft)">Lucy</a></i> spacecraft flying past the Patroclus-Menoetius system</figcaption></figure> <p>The Patroclus–Menoetius system is a scheduled target for <i><a href="/wiki/Lucy_(spacecraft)" title="Lucy (spacecraft)">Lucy</a></i>, a flyby mission to multiple asteroids, mostly <a href="/wiki/Jupiter_trojans" class="mw-redirect" title="Jupiter trojans">Jupiter trojans</a>.<sup id="cite_ref-Lucy-announcement_29-0" class="reference"><a href="#cite_note-Lucy-announcement-29"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Name">Name</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=8" title="Edit section: Name"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Patroclus#Pronunciation" title="Patroclus">Patroclus § Pronunciation</a></div> <p>This <a href="/wiki/Minor_planet" title="Minor planet">minor planet</a> was named after the legendary Greek hero <a href="/wiki/Patroclus" title="Patroclus">Patroclus</a>. Friend of <a href="/wiki/Achilles" title="Achilles">Achilles</a>, he was killed by <a href="/wiki/Hector" title="Hector">Hector</a> during the <a href="/wiki/Trojan_War" title="Trojan War">Trojan War</a>. (See <a href="/wiki/588_Achilles" title="588 Achilles">588 Achilles</a> and <a href="/wiki/624_Hektor" title="624 Hektor">624 Hektor</a>.) The name was proposed by Austrian astronomer <a href="/wiki/Johann_Palisa" title="Johann Palisa">Johann Palisa</a>. The official naming citation was mentioned in <i><a href="/wiki/The_Names_of_the_Minor_Planets" class="mw-redirect" title="The Names of the Minor Planets">The Names of the Minor Planets</a></i> by <a href="/wiki/Paul_Herget" title="Paul Herget">Paul Herget</a> in 1955 (<span style="font-size:85%;"><a href="/wiki/Herget%27s_discovery_circumstances" class="mw-redirect" title="Herget's discovery circumstances">H 65</a></span>).<sup id="cite_ref-springer_3-2" class="reference"><a href="#cite_note-springer-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>In Greek and thus in Latin, <i>Patroclus</i> has all short vowels. Thus the expected English pronunciation would be with stress on the 'a', *<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="/ˈ/: primary stress follows">ˈ</span><span title="'p' in 'pie'">p</span><span title="/æ/: 'a' in 'bad'">æ</span><span title="'t' in 'tie'">t</span><span title="'r' in 'rye'">r</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'k' in 'kind'">k</span><span title="'l' in 'lie'">l</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span>. However, <a href="/wiki/Alexander_Pope" title="Alexander Pope">Alexander Pope</a> shifted the stress to the first 'o', <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="'p' in 'pie'">p</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'t' in 'tie'">t</span><span title="'r' in 'rye'">r</span><span title="/oʊ/: 'o' in 'code'">oʊ</span><span title="'k' in 'kind'">k</span><span title="'l' in 'lie'">l</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span>, a convention from Latin poetry,<sup id="cite_ref-30" class="reference"><a href="#cite_note-30"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> for metrical convenience in his verse translation of Homer, and this irregular pronunciation has become established in English.<sup id="cite_ref-pron_2-1" class="reference"><a href="#cite_note-pron-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p><p>The satellite Menoetius (<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="'m' in 'my'">m</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'n' in 'nigh'">n</span><span title="/iː/: 'ee' in 'fleece'">iː</span><span title="/ʃ/: 'sh' in 'shy'">ʃ</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span> <a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key"><i title="English pronunciation respelling">mə-<span style="font-size:90%">NEE</span>-shəs</i></a>; official designation (617) Patroclus I Menoetius) was named after the legendary father of Patroclus. It was previously known by the <a href="/wiki/Provisional_designation" class="mw-redirect" title="Provisional designation">provisional designation</a> <span class="nowrap">S/2001 (617) 1</span>. </p><p>Patroclus and Menoetius are the only objects in the Trojan camp to be named after Greek rather than Trojan characters. The naming conventions for the Jupiter trojans were not adopted until after Patroclus was named (similarly, the asteroid <a href="/wiki/624_Hektor" title="624 Hektor">Hektor</a> is the only Trojan character to appear in the <a href="/wiki/Greek_camp" class="mw-redirect" title="Greek camp">Greek camp</a>). </p> <div style="clear:both;" class=""></div> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=617_Patroclus&action=edit&section=9" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Diameters-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-Diameters_21-0">^</a></b></span> <span class="reference-text">Buie (2015). Volume equivalent diameters based on derived ellipsods are: Patroclus: 113 km and Menoetius: 104 km, while for the combined system, a mean-diameter of 154 km is given. Measured by <a href="/wiki/Asteroid_occultation" class="mw-redirect" title="Asteroid occultation">asteroid occultation</a>. Other observations gave a combined diameter of 140 kilometers. Summary figures for (617) Patroclus at the <a rel="nofollow" class="external text" href="http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=617%7CPatroclus">LCDB</a>.</span> </li> <li id="cite_note-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-30">^</a></b></span> <span class="reference-text">This poetic exception to normal Latin stress assignment is used for metrical convenience in Latin, and Pope retained it in his English translation. It is available when the final syllable starts with a sequence of two consonants, the first a <a href="/wiki/Plosive" title="Plosive">plosive</a> (a <i>b c d g p</i> or <i>t</i>) and the second a <a href="/wiki/Liquid_consonant" title="Liquid consonant">liquid</a> (an <i>l</i> or an <i>r</i>).</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=617_Patroclus&action=edit&section=10" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-MPC-object-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-MPC-object_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-MPC-object_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-MPC-object_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-MPC-object_1-3"><sup><i><b>d</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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/db_search/show_object?object_id=617">"617 Patroclus (1906 VY)"</a>. <i>Minor Planet Center</i><span class="reference-accessdate">. Retrieved <span class="nowrap">13 June</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Minor+Planet+Center&rft.atitle=617+Patroclus+%281906+VY%29&rft_id=https%3A%2F%2Fwww.minorplanetcenter.net%2Fdb_search%2Fshow_object%3Fobject_id%3D617&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> <li id="cite_note-pron-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-pron_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-pron_2-1"><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 encyclopaedia cs1"><a rel="nofollow" class="external text" href="https://www.dictionary.com/browse/Patroclus">"Patroclus"</a>. <i><a href="/wiki/Dictionary.com" title="Dictionary.com">Dictionary.com Unabridged</a></i> (Online). n.d.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Patroclus&rft.btitle=Dictionary.com+Unabridged&rft_id=https%3A%2F%2Fwww.dictionary.com%2Fbrowse%2FPatroclus&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> <li id="cite_note-springer-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-springer_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-springer_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-springer_3-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchmadel2007" class="citation book cs1">Schmadel, Lutz D. (2007). "(617) Patroclus". <i>Dictionary of Minor Planet Names</i>. Springer Berlin Heidelberg. p. 62. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2F978-3-540-29925-7_618">10.1007/978-3-540-29925-7_618</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-540-00238-3" title="Special:BookSources/978-3-540-00238-3"><bdi>978-3-540-00238-3</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=%28617%29+Patroclus&rft.btitle=Dictionary+of+Minor+Planet+Names&rft.pages=62&rft.pub=Springer+Berlin+Heidelberg&rft.date=2007&rft_id=info%3Adoi%2F10.1007%2F978-3-540-29925-7_618&rft.isbn=978-3-540-00238-3&rft.aulast=Schmadel&rft.aufirst=Lutz+D.&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> <li id="cite_note-jpldata-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-jpldata_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-jpldata_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-jpldata_4-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-jpldata_4-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2000617">"JPL Small-Body Database Browser: 617 Patroclus (1906 VY)"</a> (2017-06-14 last obs.). <a href="/wiki/Jet_Propulsion_Laboratory" title="Jet Propulsion Laboratory">Jet Propulsion Laboratory</a><span class="reference-accessdate">. Retrieved <span class="nowrap">13 June</span> 2018</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=JPL+Small-Body+Database+Browser%3A+617+Patroclus+%281906+VY%29&rft.pub=Jet+Propulsion+Laboratory&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fsbdb.cgi%3Fsstr%3D2000617&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> <li id="cite_note-lcdb-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-lcdb_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-lcdb_5-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-lcdb_5-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-lcdb_5-3"><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.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=617%7CPatroclus">"LCDB Data for (617) Patroclus"</a>. Asteroid Lightcurve Database (LCDB)<span class="reference-accessdate">. Retrieved <span class="nowrap">11 July</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=LCDB+Data+for+%28617%29+Patroclus&rft.pub=Asteroid+Lightcurve+Database+%28LCDB%29&rft_id=http%3A%2F%2Fwww.minorplanet.info%2FPHP%2FgenerateOneAsteroidInfo.php%3FAstInfo%3D617%257CPatroclus&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> <li id="cite_note-MPC-Jupiter-Trojans-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-MPC-Jupiter-Trojans_6-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/iau/lists/JupiterTrojans.html">"List of Jupiter Trojans"</a>. <i>Minor Planet Center</i>. 20 August 2016<span class="reference-accessdate">. Retrieved <span class="nowrap">11 July</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Minor+Planet+Center&rft.atitle=List+of+Jupiter+Trojans&rft.date=2016-08-20&rft_id=https%3A%2F%2Fwww.minorplanetcenter.net%2Fiau%2Flists%2FJupiterTrojans.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> <li id="cite_note-AstDys-object-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-AstDys-object_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-AstDys-object_7-1"><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://newton.spacedys.com/astdys/index.php?n=617&pc=1.1.6">"Asteroid (617) Patroclus – Proper elements"</a>. AstDyS-2, Asteroids – Dynamic Site<span class="reference-accessdate">. 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Retrieved <span class="nowrap">4 October</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=UC+Berkeley&rft.atitle=Trojan+Binary+Asteroid+%E2%80%93+Patroclus+%26+Menoetius&rft.aulast=Sanders&rft.aufirst=Robert&rft_id=http%3A%2F%2Ffranckmarchis.com%2Ftrojan-binary-asteroid-patroclus-menoetius%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> <li id="cite_note-Morbidelli2005-28"><span class="mw-cite-backlink"><b><a href="#cite_ref-Morbidelli2005_28-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMorbidelliLevisonTsiganisGomes2005" class="citation journal cs1">Morbidelli, A.; Levison, H. F.; Tsiganis, K.; Gomes, R. (26 May 2005). "Chaotic capture of Jupiter's Trojan asteroids in the early Solar System". <i>Nature</i>. <b>435</b> (7041): 462–465. <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/2005Natur.435..462M">2005Natur.435..462M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1038%2Fnature03540">10.1038/nature03540</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/15917801">15917801</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:4373366">4373366</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature&rft.atitle=Chaotic+capture+of+Jupiter%27s+Trojan+asteroids+in+the+early+Solar+System&rft.volume=435&rft.issue=7041&rft.pages=462-465&rft.date=2005-05-26&rft_id=info%3Adoi%2F10.1038%2Fnature03540&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A4373366%23id-name%3DS2CID&rft_id=info%3Apmid%2F15917801&rft_id=info%3Abibcode%2F2005Natur.435..462M&rft.aulast=Morbidelli&rft.aufirst=A.&rft.au=Levison%2C+H.+F.&rft.au=Tsiganis%2C+K.&rft.au=Gomes%2C+R.&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> <li id="cite_note-Lucy-announcement-29"><span class="mw-cite-backlink"><b><a href="#cite_ref-Lucy-announcement_29-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDreierLakdawalla2015" class="citation news cs1">Dreier, Casey; Lakdawalla, Emily (30 September 2015). <a rel="nofollow" class="external text" href="http://www.planetary.org/blogs/casey-dreier/2015/09301336-discovery-downselect.html">"NASA announces five Discovery proposals selected for further study"</a>. <i>The Planetary Society</i><span class="reference-accessdate">. Retrieved <span class="nowrap">1 October</span> 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Planetary+Society&rft.atitle=NASA+announces+five+Discovery+proposals+selected+for+further+study&rft.date=2015-09-30&rft.aulast=Dreier&rft.aufirst=Casey&rft.au=Lakdawalla%2C+Emily&rft_id=http%3A%2F%2Fwww.planetary.org%2Fblogs%2Fcasey-dreier%2F2015%2F09301336-discovery-downselect.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A617+Patroclus" class="Z3988"></span></span> </li> </ol></div></div> <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=617_Patroclus&action=edit&section=11" 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="https://web.archive.org/web/20070223211445/http://www.keckobservatory.org/article.php?id=77">Keck Obs. press release Trojan Asteroid Patroclus: Comet in Disguise?</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20081013063720/http://astron.berkeley.edu/~fmarchis/Science/Asteroids/Patroclus/">Patroclus and Menoetius web page</a></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="http://www.minorplanet.info/PHP/lcdbsummaryquery.php">Asteroid Lightcurve Database (LCDB)</a>, query form (<a rel="nofollow" class="external text" href="http://www.minorplanet.info/lightcurvedatabase.html">info</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20171216050541/http://www.minorplanet.info/lightcurvedatabase.html">Archived</a> 16 December 2017 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>)</li> <li><a rel="nofollow" class="external text" href="https://books.google.com/books?id=aeAg1X7afOoC&pg">Dictionary of Minor Planet Names</a>, Google books</li> <li><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html">Discovery Circumstances: Numbered Minor Planets (1)-(5000)</a> – Minor Planet Center</li> <li><a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=617&pc=1.1.0">617 Patroclus</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=617&pc=1.1.3.0">Ephemeris</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=617&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=617&pc=1.1.1">Orbital info</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=617&pc=1.1.6">Proper elements</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/astdys/index.php?n=617&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=20000617">617 Patroclus</a> at the <i><a href="/wiki/JPL_Small-Body_Database" title="JPL Small-Body Database">JPL Small-Body Database</a></i> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q155906#P716" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span><ul class="noprint"><li><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20000617&view=C">Close approach</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20000617&view=D">Discovery</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=20000617">Ephemeris</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20000617&view=V">Orbit viewer</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20000617&view=O">Orbit parameters</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20000617&view=P">Physical parameters</a></li></ul></li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul 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