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contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">65803 Didymos</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 32 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-32" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">32 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/65803_Didim" title="65803 Didim – Bosnian" lang="bs" hreflang="bs" data-title="65803 Didim" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Didymos_(planetka)" title="Didymos (planetka) – Czech" lang="cs" hreflang="cs" data-title="Didymos (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/(65803)_Didymos" title="(65803) Didymos – German" lang="de" hreflang="de" data-title="(65803) Didymos" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/65803_Didymos" title="65803 Didymos – Estonian" lang="et" hreflang="et" data-title="65803 Didymos" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/65803_%CE%94%CE%AF%CE%B4%CF%85%CE%BC%CE%BF%CF%82" title="65803 Δίδυμος – Greek" lang="el" hreflang="el" data-title="65803 Δίδυμος" 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/(65803)_D%C3%ADdimo" title="(65803) Dídimo – Spanish" lang="es" hreflang="es" data-title="(65803) Dídimo" 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/65803_Didimo" title="65803 Didimo – Esperanto" lang="eo" hreflang="eo" data-title="65803 Didimo" 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/65803_Didimos" title="65803 Didimos – Basque" lang="eu" hreflang="eu" data-title="65803 Didimos" 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/%DB%B6%DB%B5%DB%B8%DB%B0%DB%B3_%D8%AF%DB%8C%D8%AF%DB%8C%D9%85%D9%88%D8%B3" title="۶۵۸۰۳ دیدیموس – Persian" lang="fa" hreflang="fa" data-title="۶۵۸۰۳ دیدیموس" 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/(65803)_Didymos" title="(65803) Didymos – French" lang="fr" hreflang="fr" data-title="(65803) Didymos" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/65803_%EB%94%94%EB%94%94%EB%AA%A8%EC%8A%A4" title="65803 디디모스 – Korean" lang="ko" hreflang="ko" data-title="65803 디디모스" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/65803_Didymos" title="65803 Didymos – Indonesian" lang="id" hreflang="id" data-title="65803 Didymos" 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/65803_Didymos" title="65803 Didymos – Italian" lang="it" hreflang="it" data-title="65803 Didymos" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/65803_%E1%83%93%E1%83%98%E1%83%93%E1%83%98%E1%83%9B%E1%83%9D%E1%83%A1%E1%83%98" title="65803 დიდიმოსი – Georgian" lang="ka" hreflang="ka" data-title="65803 დიდიმოსი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/(65803)_%D0%94%D0%B8%D0%B4%D0%B8%D0%BC%D0%BE%D1%81" title="(65803) Дидимос – Kazakh" lang="kk" hreflang="kk" data-title="(65803) Дидимос" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/(65803)_Didymos" title="(65803) Didymos – Luxembourgish" lang="lb" hreflang="lb" data-title="(65803) Didymos" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/65803_Didymos" title="65803 Didymos – Hungarian" lang="hu" hreflang="hu" data-title="65803 Didymos" 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/65803_Didymos_(%D9%83%D9%88%D9%8A%D9%83%D8%A8)" title="65803 Didymos (كويكب) – Egyptian Arabic" lang="arz" hreflang="arz" data-title="65803 Didymos (كويكب)" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/65803_Didymos" title="65803 Didymos – Minangkabau" lang="min" hreflang="min" data-title="65803 Didymos" 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%87%E3%82%A3%E3%83%87%E3%82%A3%E3%83%A2%E3%82%B9_(%E5%B0%8F%E6%83%91%E6%98%9F)" title="ディディモス (小惑星) – Japanese" lang="ja" hreflang="ja" data-title="ディディモス (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-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/(65803)_Didymos" title="(65803) Didymos – Polish" lang="pl" hreflang="pl" data-title="(65803) Didymos" 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/65803_Didymos" title="65803 Didymos – Portuguese" lang="pt" hreflang="pt" data-title="65803 Didymos" 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/65803_Didymos" title="65803 Didymos – Romanian" lang="ro" hreflang="ro" data-title="65803 Didymos" 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/(65803)_%D0%94%D0%B8%D0%B4%D0%B8%D0%BC" title="(65803) Дидим – Russian" lang="ru" hreflang="ru" data-title="(65803) Дидим" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/65803_Didymos" title="65803 Didymos – Slovak" lang="sk" hreflang="sk" data-title="65803 Didymos" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/65803_Didymos" title="65803 Didymos – Sundanese" lang="su" hreflang="su" data-title="65803 Didymos" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/65803_Didymos" title="65803 Didymos – Finnish" lang="fi" hreflang="fi" data-title="65803 Didymos" 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/65803_Didymos" title="65803 Didymos – Swedish" lang="sv" hreflang="sv" data-title="65803 Didymos" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/65803_Didymos" title="65803 Didymos – Turkish" lang="tr" hreflang="tr" data-title="65803 Didymos" 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/65803_%D0%94%D1%96%D0%B4%D0%B8%D0%BC" title="65803 Дідим – Ukrainian" lang="uk" hreflang="uk" data-title="65803 Дідим" 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/65803_Didymos" title="65803 Didymos – Vietnamese" lang="vi" hreflang="vi" data-title="65803 Didymos" 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/%E9%9B%99%E7%94%9F%E6%98%9F" title="雙生星 – Chinese" lang="zh" hreflang="zh" data-title="雙生星" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2265762#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> 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searchaux" style="display:none">Near-Earth asteroid</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">For other uses, see <a href="/wiki/Didymos_(disambiguation)" class="mw-redirect mw-disambig" title="Didymos (disambiguation)">Didymos</a>.</div> <p class="mw-empty-elt"> </p> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title fn org">65803 Didymos</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:Didymos-Dimorphos_true_orientation.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Didymos-Dimorphos_true_orientation.png/290px-Didymos-Dimorphos_true_orientation.png" decoding="async" width="290" height="290" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Didymos-Dimorphos_true_orientation.png/435px-Didymos-Dimorphos_true_orientation.png 1.5x, //upload.wikimedia.org/wikipedia/commons/0/05/Didymos-Dimorphos_true_orientation.png 2x" data-file-width="560" data-file-height="560" /></a></span><div class="infobox-caption">Didymos (bottom left) and <a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a> (top right) photographed by the <a href="/wiki/Double_Asteroid_Redirection_Test" title="Double Asteroid Redirection Test">DART</a> space probe</div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FFC2E0">Discovery <sup id="cite_ref-jpldata_1-0" class="reference"><a href="#cite_note-jpldata-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/Spacewatch" title="Spacewatch">Spacewatch</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/Kitt_Peak_National_Observatory" title="Kitt Peak National Observatory">Kitt Peak National Observatory</a></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Discovery date</th><td class="infobox-data">11 April 1996</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FFC2E0">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">(65803) Didymos</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="/ˈ/: primary stress follows">ˈ</span><span title="'d' in 'dye'">d</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="'d' in 'dye'">d</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="'m' in 'my'">m</span><span title="/ɒ/: 'o' in 'body'">ɒ</span><span title="'s' in 'sigh'">s</span></span>/</a></span></span><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Named after</div></th><td class="infobox-data">Greek word for "<a href="/wiki/Twin" title="Twin">Twin</a>"<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">1996 GT</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/Near-Earth_object" title="Near-Earth object">NEO</a> <b>·</b> <a href="/wiki/Potentially_hazardous_object" title="Potentially hazardous object">PHA</a><br /><a href="/wiki/Apollo_asteroid" title="Apollo asteroid">Apollo</a> (2022) <sup id="cite_ref-jpldata_1-1" class="reference"><a href="#cite_note-jpldata-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Apollo_4-0" class="reference"><a href="#cite_note-Apollo-4"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FFC2E0"><a href="/wiki/Osculating_orbit" title="Osculating orbit">Orbital characteristics</a> <sup id="cite_ref-jpldata_1-2" class="reference"><a href="#cite_note-jpldata-1"><span class="cite-bracket">[</span>1<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> 21 January 2022 (<a href="/wiki/Julian_day" title="Julian day">JD</a> 2459600.5)</td></tr><tr><td colspan="2" class="infobox-full-data"><a href="/wiki/Uncertainty_parameter" title="Uncertainty parameter">Uncertainty parameter</a> 0</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;"><a href="/wiki/Observation_arc" title="Observation arc">Observation arc</a></th><td class="infobox-data">24.82 years (9,066 days)</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">2.2753 <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">1.0131 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">1.6442 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">0.38385</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">2.11 <a href="/wiki/Julian_year_(astronomy)" title="Julian year (astronomy)">yr</a> (770 days)</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">232.01</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° 28<sup>m</sup> 2.28<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">3.4079°</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">73.196°</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">319.32°</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 (<a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a>)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Earth <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a></th><td class="infobox-data">0.0403 AU (15.7 <a href="/wiki/Lunar_distance_(astronomy)" class="mw-redirect" title="Lunar distance (astronomy)">LD</a>)</td></tr><tr><th scope="row" class="infobox-label" style="max-width:11em;">Mars <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a></th><td class="infobox-data">0.02 AU (7.8 LD)<sup id="cite_ref-MPC-Didymos_5-0" class="reference"><a href="#cite_note-MPC-Didymos-5"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FFC2E0"><span class="anchor" id="Infobox_Physical_characteristics"></span><a href="/wiki/Standard_asteroid_physical_characteristics" title="Standard asteroid physical characteristics">Physical characteristics</a><sup id="cite_ref-Cheng2023_6-0" class="reference"><a href="#cite_note-Cheng2023-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup></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="7002851000000000000♠"></span>851 × 849 × 620</span> m<br />(± <span class="nowrap"><span data-sort-value="7001150000000000000♠"></span>15 × 15 × 15</span> m)</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="7002765000000000000♠"></span>765<span style="margin-left:0.3em;margin-right:0.15em;">±</span>15 m</span><sup id="cite_ref-diameter_7-0" class="reference"><a href="#cite_note-diameter-7"><span class="cite-bracket">[</span>b<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="7011540000000000000♠"></span>(5.4<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.4)<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>11</sup> kg</span> (system)<sup id="cite_ref-Naidu2020_8-0" class="reference"><a href="#cite_note-Naidu2020-8"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7011520000000000000♠"></span>≈ 5.2<span style="margin-left:0.25em;margin-right:0.15em;">×</span>10<sup>11</sup> kg</span> (primary)<sup id="cite_ref-Nakano2022_9-0" class="reference"><a href="#cite_note-Nakano2022-9"><span class="cite-bracket">[</span>7<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="7003240000000000000♠"></span>2.40<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.30 g/cm<sup>3</sup></span><sup id="cite_ref-Cheng2023_6-2" class="reference"><a href="#cite_note-Cheng2023-6"><span class="cite-bracket">[</span>5<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="7000225999999999999♠"></span>2.2600<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.0001</span><sup id="cite_ref-Naidu2020_8-1" class="reference"><a href="#cite_note-Naidu2020-8"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7003813348000000000♠"></span>2.2593<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.0002 <a href="/wiki/Hour" title="Hour">h</a></span><sup id="cite_ref-Pravec-2006_10-0" class="reference"><a href="#cite_note-Pravec-2006-10"><span class="cite-bracket">[</span>8<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/Axial_tilt" title="Axial tilt">Axial tilt</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7000303687289847014♠"></span>174°<span style="margin-left:0.3em;margin-right:0.15em;">±</span>20°</span><sup id="cite_ref-pole_12-0" class="reference"><a href="#cite_note-pole-12"><span class="cite-bracket">[</span>c<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;">Pole <a href="/wiki/Ecliptic_coordinate_system" title="Ecliptic coordinate system">ecliptic latitude</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="2999853392342832476♠"></span>−84°<span style="margin-left:0.3em;margin-right:0.15em;">±</span>20°</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;">Pole <a href="/wiki/Ecliptic_coordinate_system" title="Ecliptic coordinate system">ecliptic longitude</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="7000541052068118243♠"></span>310°<span style="margin-left:0.3em;margin-right:0.15em;">±</span>20°</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;"><a href="/wiki/Geometric_albedo" title="Geometric albedo">Geometric albedo</a></div></th><td class="infobox-data"><span class="nowrap"><span data-sort-value="6999150000000000000♠"></span>0.15<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.04</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;"><a href="/wiki/Asteroid_spectral_types" title="Asteroid spectral types">Spectral type</a></div></th><td class="infobox-data"><a href="/wiki/S-type_asteroid" title="S-type asteroid">S</a><sup id="cite_ref-Naidu2020_8-3" class="reference"><a href="#cite_note-Naidu2020-8"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Scheirich2022_13-0" class="reference"><a href="#cite_note-Scheirich2022-13"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> <b>·</b> <a href="/wiki/SMASS_classification" class="mw-redirect" title="SMASS classification">SMASS</a> = <a href="/wiki/X-type_asteroid" title="X-type asteroid">X</a><a href="/wiki/K-type_asteroid" title="K-type asteroid">k</a><sup id="cite_ref-jpldata_1-3" class="reference"><a href="#cite_note-jpldata-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <b>·</b> <a href="/wiki/X-type_asteroid" title="X-type asteroid">X</a><sup id="cite_ref-lcdb_14-0" class="reference"><a href="#cite_note-lcdb-14"><span class="cite-bracket">[</span>11<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">18.0<sup id="cite_ref-jpldata_1-4" class="reference"><a href="#cite_note-jpldata-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> <b>·</b> 18.16<sup id="cite_ref-lcdb_14-1" class="reference"><a href="#cite_note-lcdb-14"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Pravec-2006_10-1" class="reference"><a href="#cite_note-Pravec-2006-10"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Kitazato-2004_15-0" class="reference"><a href="#cite_note-Kitazato-2004-15"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup><br /><span class="nowrap"><span data-sort-value="7001181600000000000♠"></span>18.16<span style="margin-left:0.3em;margin-right:0.15em;">±</span>0.03</span><sup id="cite_ref-Pravec-2012b_16-0" class="reference"><a href="#cite_note-Pravec-2012b-16"><span class="cite-bracket">[</span>13<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>65803 Didymos</b> (<a href="/wiki/Minor_planet_provisional_designation" class="mw-redirect" title="Minor planet provisional designation">provisional designation</a> <b><span class="nowrap">1996 GT</span></b>) is a sub-<a href="/wiki/Kilometer" class="mw-redirect" title="Kilometer">kilometer</a> <a href="/wiki/Asteroid" title="Asteroid">asteroid</a> and <a href="/wiki/Binary_asteroid" title="Binary asteroid">binary system</a> that is classified as a <a href="/wiki/Potentially_hazardous_asteroid" class="mw-redirect" title="Potentially hazardous asteroid">potentially hazardous asteroid</a> and <a href="/wiki/Near-Earth_object" title="Near-Earth object">near-Earth object</a> of the <a href="/wiki/Apollo_asteroid" title="Apollo asteroid">Apollo</a> group.<sup id="cite_ref-Apollo_4-1" class="reference"><a href="#cite_note-Apollo-4"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> The asteroid was discovered in 1996 by the <a href="/wiki/Spacewatch" title="Spacewatch">Spacewatch</a> survey at <a href="/wiki/Kitt_Peak_National_Observatory" title="Kitt Peak National Observatory">Kitt Peak</a>, and its small 160-meter <a href="/wiki/Minor-planet_moon" title="Minor-planet moon">minor-planet moon</a>, named <a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a>, was discovered in 2003. Due to its binary nature, the asteroid was then named <i>Didymos</i>, the <a href="/wiki/Greek_language" title="Greek language">Greek</a> word for 'twin'. </p><p>Didymos's moon, <a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a>, was the target of the <a href="/wiki/Double_Asteroid_Redirection_Test" title="Double Asteroid Redirection Test">DART</a> mission to test the viability of <a href="/wiki/Asteroid_impact_avoidance" title="Asteroid impact avoidance">asteroid impact avoidance</a> by collision with a spacecraft, while the impact was witnessed by <a href="/wiki/LICIACube" title="LICIACube">LICIACube</a>, a flyby <a href="/wiki/CubeSat" title="CubeSat">CubeSat</a> component of the mission. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Discovery">Discovery</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=65803_Didymos&action=edit&section=1" title="Edit section: Discovery"><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:Didymos-Arecibo-radar-images.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Didymos-Arecibo-radar-images.png/220px-Didymos-Arecibo-radar-images.png" decoding="async" width="220" height="183" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Didymos-Arecibo-radar-images.png/330px-Didymos-Arecibo-radar-images.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Didymos-Arecibo-radar-images.png/440px-Didymos-Arecibo-radar-images.png 2x" data-file-width="827" data-file-height="687" /></a><figcaption>Radar images of Didymos and its satellite <a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a>, taken by the <a href="/wiki/Arecibo_Observatory" title="Arecibo Observatory">Arecibo Observatory</a> in 2003</figcaption></figure> <p>Didymos was discovered on 11 April 1996 by the <a href="/wiki/University_of_Arizona" title="University of Arizona">University of Arizona</a> <a href="/wiki/Steward_Observatory" title="Steward Observatory">Steward Observatory</a>'s, and <a href="/wiki/Lunar_and_Planetary_Laboratory" title="Lunar and Planetary Laboratory">Lunar and Planetary Laboratory</a>'s, <a href="/wiki/Spacewatch" title="Spacewatch">Spacewatch</a> survey using its 0.9-meter telescope at <a href="/wiki/Kitt_Peak_National_Observatory" title="Kitt Peak National Observatory">Kitt Peak National Observatory</a> in Arizona, United States. The binary nature of the asteroid was discovered by others; suspicions of binarity first arose in <a href="/wiki/Goldstone_Deep_Space_Communications_Complex" title="Goldstone Deep Space Communications Complex">Goldstone</a> delay-<a href="/wiki/Doppler_radar" title="Doppler radar">Doppler</a> echoes, and these were confirmed with an optical <a href="/wiki/Lightcurve" class="mw-redirect" title="Lightcurve">lightcurve</a> analysis, along with <a href="/wiki/Arecibo_Observatory" title="Arecibo Observatory">Arecibo</a> radar imaging on 23 November 2003.<sup id="cite_ref-MPC-Didymos_5-1" class="reference"><a href="#cite_note-MPC-Didymos-5"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Orbital_characteristics">Orbital characteristics</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=65803_Didymos&action=edit&section=2" title="Edit section: Orbital characteristics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Didymos orbits the Sun at a distance of 1.0–2.3 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> once every 770 days (2 years and 1 month). Its orbit has an <a href="/wiki/Orbital_eccentricity" title="Orbital eccentricity">eccentricity</a> of 0.38 and an <a href="/wiki/Orbital_inclination" title="Orbital inclination">inclination</a> of 3° with respect to the <a href="/wiki/Ecliptic" title="Ecliptic">ecliptic</a>. The minimum distance between the orbit of Earth and the orbit of Didymos is currently 0.04 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> (6.0 million <a href="/wiki/Kilometre" title="Kilometre">km</a>),<sup id="cite_ref-jpldata_1-5" class="reference"><a href="#cite_note-jpldata-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> but will change as the asteroid is <a href="/wiki/Perturbation_(astronomy)" title="Perturbation (astronomy)">perturbed</a>. In November 2003 it passed 7.18 million km from Earth; it will not come that near again until November 2123, with a distance of 5.86 million km. Didymos also occasionally passes very close to Mars: it will fly by Mars at a distance of 4.68 million km in July 2144.<sup id="cite_ref-jpldata_1-6" class="reference"><a href="#cite_note-jpldata-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Even the Earth approach of October 2184 is still listed with an uncertainty region of roughly ±<span class="nowrap"><span data-sort-value="7006134300000000000♠"></span>1343 km</span>.<sup id="cite_ref-Horizons2184_17-0" class="reference"><a href="#cite_note-Horizons2184-17"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>Didymos spends 1/3 of its time orbiting in the <a href="/wiki/Near-Earth_asteroid" class="mw-redirect" title="Near-Earth asteroid">near-Earth asteroid</a> (NEA) region where impacts are more probable. This means that about every 73–84 thousand years, an object impacts Didymos with the energy of the <a href="/wiki/DART_(satellite)" title="DART (satellite)">DART mission satellite</a>. Over its median NEA lifetime of 8 to 10 million years, Didymos probably has been impacted tens of times.<sup id="cite_ref-18" class="reference"><a href="#cite_note-18"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </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=65803_Didymos&action=edit&section=3" title="Edit section: Physical characteristics"><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:Aftermath_of_DART_Collision_with_Dimorphos_Captured_by_SOAR_Telescope_(noirlab2223a).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Aftermath_of_DART_Collision_with_Dimorphos_Captured_by_SOAR_Telescope_%28noirlab2223a%29.jpg/220px-Aftermath_of_DART_Collision_with_Dimorphos_Captured_by_SOAR_Telescope_%28noirlab2223a%29.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Aftermath_of_DART_Collision_with_Dimorphos_Captured_by_SOAR_Telescope_%28noirlab2223a%29.jpg/330px-Aftermath_of_DART_Collision_with_Dimorphos_Captured_by_SOAR_Telescope_%28noirlab2223a%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/Aftermath_of_DART_Collision_with_Dimorphos_Captured_by_SOAR_Telescope_%28noirlab2223a%29.jpg/440px-Aftermath_of_DART_Collision_with_Dimorphos_Captured_by_SOAR_Telescope_%28noirlab2223a%29.jpg 2x" data-file-width="2396" data-file-height="1606" /></a><figcaption>Dust ejecta and tail of Didymos imaged in color by the <a href="/wiki/Southern_Astrophysical_Research_Telescope" title="Southern Astrophysical Research Telescope">Southern Astrophysical Research Telescope</a> two days after DART's impact</figcaption></figure> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Hubble_view_of_Dimorphos_ejecta_(October_8).png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Hubble_view_of_Dimorphos_ejecta_%28October_8%29.png/220px-Hubble_view_of_Dimorphos_ejecta_%28October_8%29.png" decoding="async" width="220" height="203" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Hubble_view_of_Dimorphos_ejecta_%28October_8%29.png/330px-Hubble_view_of_Dimorphos_ejecta_%28October_8%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Hubble_view_of_Dimorphos_ejecta_%28October_8%29.png/440px-Hubble_view_of_Dimorphos_ejecta_%28October_8%29.png 2x" data-file-width="1181" data-file-height="1091" /></a><figcaption>Double tail of Didymos imaged by the <a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a> 12 days after DART's impact</figcaption></figure> <p>In the <a href="/wiki/SMASS_classification" class="mw-redirect" title="SMASS classification">SMASS classification</a>, Didymos was classified as an Xk-type asteroid, which transitions from the <a href="/wiki/X-type_asteroid" title="X-type asteroid">X-type</a> to the rare <a href="/wiki/K-type_asteroid" title="K-type asteroid">K-type asteroids</a>.<sup id="cite_ref-jpldata_1-7" class="reference"><a href="#cite_note-jpldata-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Subsequent visible and near-infrared spectroscopy showed it to be silicate in nature, which also qualifies it as a stony <a href="/wiki/S-type_asteroid" title="S-type asteroid">S-type asteroid</a>.<sup id="cite_ref-deLeon-2010_19-0" class="reference"><a href="#cite_note-deLeon-2010-19"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> It <a href="/wiki/Rotation_period" class="mw-redirect" title="Rotation period">rotates</a> rapidly, with a period of 2.26 hours and a low brightness variation of 0.08 <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=3/3</a></span>), which indicates that the body has a nearly spheroidal shape.<sup id="cite_ref-lcdb_14-2" class="reference"><a href="#cite_note-lcdb-14"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Pravec-2006_10-2" class="reference"><a href="#cite_note-Pravec-2006-10"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Pravec-2003c_20-0" class="reference"><a href="#cite_note-Pravec-2003c-20"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> Radar observations confirmed this spheroidal shape, showing it to be <a href="/wiki/Oblate_spheroid" class="mw-redirect" title="Oblate spheroid">oblate</a> due to its rapid rotation.<sup id="cite_ref-Naidu2020_8-4" class="reference"><a href="#cite_note-Naidu2020-8"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Satellite">Satellite</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=65803_Didymos&action=edit&section=4" title="Edit section: Satellite"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a></div> <p>Didymos is a <a href="/wiki/Binary_asteroid" title="Binary asteroid">binary asteroid</a> with a satellite in its orbit. The <a href="/wiki/Minor-planet_moon" title="Minor-planet moon">minor-planet moon</a>, named <b><a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a></b>,<sup id="cite_ref-Talbert2020_21-0" class="reference"><a href="#cite_note-Talbert2020-21"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> moves in a mostly circular <a href="/wiki/Retrograde_orbit" class="mw-redirect" title="Retrograde orbit">retrograde orbit</a><sup id="cite_ref-22" class="reference"><a href="#cite_note-22"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> with an <a href="/wiki/Orbital_period" title="Orbital period">orbital period</a> of 11.9 hours.<sup id="cite_ref-lcdb_14-3" class="reference"><a href="#cite_note-lcdb-14"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-lightcurve-plot-PDO_23-0" class="reference"><a href="#cite_note-lightcurve-plot-PDO-23"><span class="cite-bracket">[</span>d<span class="cite-bracket">]</span></a></sup> It measures approximately 160 meters (520 ft) in diameter compared to 780 meters (2,560 ft) for its primary (a <a href="/wiki/Mean_diameter" class="mw-redirect" title="Mean diameter">mean diameter</a>-ratio of 0.22).<sup id="cite_ref-johnstonsarchive_24-0" class="reference"><a href="#cite_note-johnstonsarchive-24"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup> It was previously known by its <a href="/wiki/Provisional_designation" class="mw-redirect" title="Provisional designation">provisional designation</a> <span class="nowrap">S/2003 (65803) 1</span> and had been informally called "Didymoon" or "Didymos B".<sup id="cite_ref-25" class="reference"><a href="#cite_note-25"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Talbert2020_21-1" class="reference"><a href="#cite_note-Talbert2020-21"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Naming">Naming</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=65803_Didymos&action=edit&section=5" title="Edit section: Naming"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>This <a href="/wiki/Minor_planet" title="Minor planet">minor planet</a> was named "Didymos", Greek for "twin", due to its binary nature.<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> The name was suggested by the discoverer, <a href="/wiki/University_of_Arizona" title="University of Arizona">University of Arizona</a> <a href="/wiki/Lunar_and_Planetary_Laboratory" title="Lunar and Planetary Laboratory">Lunar and Planetary Laboratory</a> astronomer <a href="/wiki/Joseph_Montani" class="mw-redirect" title="Joseph Montani">Joseph L. "Joe" Montani</a>, who made the naming proposal to the <a href="/wiki/International_Astronomical_Union" title="International Astronomical Union">International Astronomical Union</a> after the binary nature of the object was detected. The approved naming citation was published on 13 July 2004 (<span style="font-size:85%;"><a href="/wiki/Minor_Planet_Circulars" class="mw-redirect" title="Minor Planet Circulars">M.P.C.</a> 52326</span>).<sup id="cite_ref-MPC-Circulars-Archive_26-0" class="reference"><a href="#cite_note-MPC-Circulars-Archive-26"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>The proper name for the satellite <a href="/wiki/Dimorphos" title="Dimorphos">Didymos B</a> comes from the word "Dimorphos", Greek for "having two forms".<sup id="cite_ref-MPEC-2020-M83_27-0" class="reference"><a href="#cite_note-MPEC-2020-M83-27"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> The meaning of the name represents how the form of Dimorphos's orbit will change after the collision with NASA’s Double Asteroid Redirection Test (DART) spacecraft,<sup id="cite_ref-Talbert2020_21-2" class="reference"><a href="#cite_note-Talbert2020-21"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> though in fact the change will be only a very slight change in its orbital parameters. Appropriately, Dimorphos serves dual roles as both a test target and as a part of a blueprint for a modality for future planetary protection.<sup id="cite_ref-Talbert2020_21-3" class="reference"><a href="#cite_note-Talbert2020-21"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> The name of the moon was suggested by planetary scientist <a href="/wiki/Kleomenis_Tsiganis" class="mw-redirect" title="Kleomenis Tsiganis">Kleomenis Tsiganis</a> at the <a href="/wiki/Aristotle_University_of_Thessaloniki" title="Aristotle University of Thessaloniki">Aristotle University of Thessaloniki</a>, Greece.<sup id="cite_ref-iau2007_28-0" class="reference"><a href="#cite_note-iau2007-28"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> </p><p>Two boulders (<i>saxa</i>) have been given names of traditional drums.<sup id="cite_ref-features_29-0" class="reference"><a href="#cite_note-features-29"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable" style="margin-left: auto; margin-right: auto; border: none;"> <caption>Named features </caption> <tbody><tr> <th>Name </th> <th>Pronunciation</th> <th>Feature</th> <th>Named after</th> <th>Date approved<sup id="cite_ref-features_29-1" class="reference"><a href="#cite_note-features-29"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </th></tr> <tr> <td>Carillon Saxum </td> <td><span class="rt-commentedText nowrap"><style data-mw-deduplicate="TemplateStyles:r1177148991">.mw-parser-output .IPA-label-small{font-size:85%}.mw-parser-output .references .IPA-label-small,.mw-parser-output .infobox .IPA-label-small,.mw-parser-output .navbox .IPA-label-small{font-size:100%}</style><span class="IPA-label IPA-label-small"><a href="/wiki/American_English" title="American English">US</a>: </span><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="'k' in 'kind'">k</span><span title="/ær/: 'arr' in 'marry'">ær</span><span title="/ə/: 'a' in 'about'">ə</span><span title="'l' in 'lie'">l</span><span title="/ɒ/: 'o' in 'body'">ɒ</span><span title="'n' in 'nigh'">n</span></span>/</a></span></span><br /><span class="rt-commentedText nowrap"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1177148991"><span class="IPA-label IPA-label-small"><a href="/wiki/British_English" title="British English">UK</a>: </span><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="'k' in 'kind'">k</span><span title="/ə/: 'a' in 'about'">ə</span><span title="/ˈ/: primary stress follows">ˈ</span><span title="'r' in 'rye'">r</span><span title="/ɪ/: 'i' in 'kit'">ɪ</span><span title="'l' in 'lie'">l</span><span title="/j/: 'y' in 'yes'">j</span><span title="/ən/: 'on' in 'button'">ən</span></span>/</a></span></span></td> <td>boulder</td> <td><a href="/wiki/Carillon" title="Carillon">carillon</a></td> <td>14 Nov 2023 </td></tr> <tr> <td>Gong Saxum </td> <td><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="/ɡ/: 'g' in 'guy'">ɡ</span><span title="/ɒ/: 'o' in 'body'">ɒ</span><span title="/ŋ/: 'ng' in 'sing'">ŋ</span></span>/</a></span></span></td> <td>boulder</td> <td><a href="/wiki/Gong" title="Gong">gong</a></td> <td>14 Nov 2023 </td></tr></tbody></table> <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=65803_Didymos&action=edit&section=6" 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:Asteroid_(65803)_Didymos.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Asteroid_%2865803%29_Didymos.jpg/220px-Asteroid_%2865803%29_Didymos.jpg" decoding="async" width="220" height="118" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Asteroid_%2865803%29_Didymos.jpg/330px-Asteroid_%2865803%29_Didymos.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/2a/Asteroid_%2865803%29_Didymos.jpg/440px-Asteroid_%2865803%29_Didymos.jpg 2x" data-file-width="1496" data-file-height="805" /></a><figcaption>Telescope image of Didymos before DART's impact</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Dart_header_2_(1).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Dart_header_2_%281%29.jpg/220px-Dart_header_2_%281%29.jpg" decoding="async" width="220" height="124" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Dart_header_2_%281%29.jpg/330px-Dart_header_2_%281%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Dart_header_2_%281%29.jpg/440px-Dart_header_2_%281%29.jpg 2x" data-file-width="4800" data-file-height="2700" /></a><figcaption>Artist's impression of the <a href="/wiki/Double_Asteroid_Redirection_Test" title="Double Asteroid Redirection Test"><i>DART</i></a> spacecraft</figcaption></figure> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:DART-impact-SAAO-Lesedi-Mookodi.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/19/DART-impact-SAAO-Lesedi-Mookodi.gif/220px-DART-impact-SAAO-Lesedi-Mookodi.gif" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/1/19/DART-impact-SAAO-Lesedi-Mookodi.gif 1.5x" data-file-width="234" data-file-height="234" /></a><figcaption>Timelapse of the Didymos system's expanding dust plume from the DART impact, as seen by the <a href="/wiki/South_African_Astronomical_Observatory" title="South African Astronomical Observatory">South African Astronomical Observatory</a>'s 1-meter Lesedi telescope</figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Animation_of_DART_trajectory_around_Sun.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Animation_of_DART_trajectory_around_Sun.gif/220px-Animation_of_DART_trajectory_around_Sun.gif" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Animation_of_DART_trajectory_around_Sun.gif/330px-Animation_of_DART_trajectory_around_Sun.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Animation_of_DART_trajectory_around_Sun.gif/440px-Animation_of_DART_trajectory_around_Sun.gif 2x" data-file-width="560" data-file-height="420" /></a><figcaption>Animation of DART's trajectory<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> <a href="/wiki/Double_Asteroid_Redirection_Test" title="Double Asteroid Redirection Test">DART</a></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> 65803 Didymos</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> <a href="/wiki/Earth" title="Earth">Earth</a></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> <a href="/wiki/Sun" title="Sun">Sun</a></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> 2001 CB21</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> <a href="/wiki/3361_Orpheus" title="3361 Orpheus">3361 Orpheus</a></span></figcaption></figure> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Animation_of_DART_around_Didymos_-_Impact_on_Dimorphos.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Animation_of_DART_around_Didymos_-_Impact_on_Dimorphos.gif/220px-Animation_of_DART_around_Didymos_-_Impact_on_Dimorphos.gif" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Animation_of_DART_around_Didymos_-_Impact_on_Dimorphos.gif/330px-Animation_of_DART_around_Didymos_-_Impact_on_Dimorphos.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/51/Animation_of_DART_around_Didymos_-_Impact_on_Dimorphos.gif/440px-Animation_of_DART_around_Didymos_-_Impact_on_Dimorphos.gif 2x" data-file-width="560" data-file-height="420" /></a><figcaption>Animation of DART around Didymos - Impact on Dimorphos<br /><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:Magenta; color:black;"> </span> DART</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> Didymos</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> Dimorphos</span></figcaption></figure> <p>In the early 2010s, Didymos<span class="nowrap" style="padding-left:0.1em;">'s</span> moon, Dimorphos was to be the principal target of proposed robotic mission by the <a href="/wiki/European_Space_Agency" title="European Space Agency">ESA</a> and <a href="/wiki/NASA" title="NASA">NASA</a>, called the <a href="/wiki/AIDA_(mission)" class="mw-redirect" title="AIDA (mission)">Asteroid Impact & Deflection Assessment (AIDA) mission</a>. The ESA dropped out, and the mission did not proceed.<sup id="cite_ref-AIDA-PDF_30-0" class="reference"><a href="#cite_note-AIDA-PDF-30"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-AIDA-mission_31-0" class="reference"><a href="#cite_note-AIDA-mission-31"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p><p>NASA redefined mission requirements and decided to proceed with a 2020s mission to visit Didymos with an impactor, which had been considered as a part of the earlier AIDA mission, named the <a href="/wiki/Double_Asteroid_Redirection_Test" title="Double Asteroid Redirection Test">Double Asteroid Redirection Test</a> or DART. The NASA mission was intended to test whether a spacecraft impact could successfully deflect an asteroid on a collision course with Earth. The DART spacecraft was launched on 24 November 2021, and impacted Dimorphos on September 26, 2022.<sup id="cite_ref-nsf20220922_32-0" class="reference"><a href="#cite_note-nsf20220922-32"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-nasa20220907_33-0" class="reference"><a href="#cite_note-nasa20220907-33"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-34" class="reference"><a href="#cite_note-34"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> It was accompanied by the <a href="/wiki/Italian_Space_Agency" title="Italian Space Agency">Italian Space Agency</a>'s (ASI) six-unit <a href="/wiki/LICIACube" title="LICIACube">LICIACube</a> flyby <a href="/wiki/CubeSat" title="CubeSat">Cubesat</a> that was released 15 days before impact to observe the asteroid and DART's impact.<sup id="cite_ref-natgeo20211125_35-0" class="reference"><a href="#cite_note-natgeo20211125-35"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>DART was the first spacecraft to intentionally target and successfully visit an asteroid known to have a <a href="/wiki/Minor-planet_moon" title="Minor-planet moon">minor-planet moon</a> (The binary asteroid <span class="nowrap"><a href="/wiki/2000_DP107" class="mw-redirect" title="2000 DP107">2000 DP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">107</span></span></a></span> was targeted by the <a href="/wiki/PROCYON" title="PROCYON">PROCYON</a> mission before it failed, <a href="/wiki/243_Ida" title="243 Ida">243 Ida</a> was visited by the <a href="/wiki/Galileo_spacecraft" class="mw-redirect" title="Galileo spacecraft">Galileo spacecraft</a> but its moon was unknown until then, <a href="/wiki/Pluto" title="Pluto">Pluto</a> was considered a planet until a few months after the launch of <i><a href="/wiki/New_Horizons" title="New Horizons">New Horizons</a></i>, and <a href="/wiki/3548_Eurybates" title="3548 Eurybates">3548 Eurybates</a>'s and <a href="/wiki/15094_Polymele" title="15094 Polymele">15094 Polymele</a>'s moons were not discovered until months before and after <a href="/wiki/Lucy_(spacecraft)" title="Lucy (spacecraft)"><i>Lucy</i></a>'s launch, respectively). Didymos is the most easily reachable asteroid of its size from Earth, requiring a <a href="/wiki/Delta-v" title="Delta-v">delta-<i>v</i></a> of only <span class="nowrap"><span data-sort-value="7003510000000000000♠"></span>5.1 km/s</span> for a spacecraft to rendezvous, compared to <span class="nowrap"><span data-sort-value="7003600000000000000♠"></span>6.0 km/s</span> to reach the <a href="/wiki/Moon" title="Moon">Moon</a>.<sup id="cite_ref-JPL-delta-v_36-0" class="reference"><a href="#cite_note-JPL-delta-v-36"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> </p><p>After two weeks of analysis, NASA announced that the collision shortened Dimorphos's orbital period around Didymos by 32 minutes,<sup id="cite_ref-37" class="reference"><a href="#cite_note-37"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> far more than the minimum requirement of 73 seconds and the success benchmark of 10 minutes. The measurement has an uncertainty of ±2 minutes.<sup id="cite_ref-NASA22-105_38-0" class="reference"><a href="#cite_note-NASA22-105-38"><span class="cite-bracket">[</span>34<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Two_LICIACube_LUKE_images_showing_the_ejecta_morphology_that_were_used_to_reduce_the_possible_axis_orientation_solutions.webp" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Two_LICIACube_LUKE_images_showing_the_ejecta_morphology_that_were_used_to_reduce_the_possible_axis_orientation_solutions.webp/220px-Two_LICIACube_LUKE_images_showing_the_ejecta_morphology_that_were_used_to_reduce_the_possible_axis_orientation_solutions.webp.png" decoding="async" width="220" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Two_LICIACube_LUKE_images_showing_the_ejecta_morphology_that_were_used_to_reduce_the_possible_axis_orientation_solutions.webp/330px-Two_LICIACube_LUKE_images_showing_the_ejecta_morphology_that_were_used_to_reduce_the_possible_axis_orientation_solutions.webp.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/da/Two_LICIACube_LUKE_images_showing_the_ejecta_morphology_that_were_used_to_reduce_the_possible_axis_orientation_solutions.webp/440px-Two_LICIACube_LUKE_images_showing_the_ejecta_morphology_that_were_used_to_reduce_the_possible_axis_orientation_solutions.webp.png 2x" data-file-width="1932" data-file-height="877" /></a><figcaption>Dart Impact seen by LICIACube</figcaption></figure> <p>Another mission to Didymos was approved in November 2019 and launched in October 2024, with the arrival at Didymos being expected in 2026.<sup id="cite_ref-39" class="reference"><a href="#cite_note-39"><span class="cite-bracket">[</span>35<span class="cite-bracket">]</span></a></sup> ESA's <i><a href="/wiki/Hera_(space_mission)" title="Hera (space mission)">Hera</a></i> mission is planning to survey the dynamical effects of the DART impact and measure the characteristics of the crater made by DART.<sup id="cite_ref-Proposed_launch_40-0" class="reference"><a href="#cite_note-Proposed_launch-40"><span class="cite-bracket">[</span>36<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=65803_Didymos&action=edit&section=7" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/66391_Moshup" title="66391 Moshup">66391 Moshup</a> – a similar near-Earth asteroid binary system</li> <li><a href="/wiki/List_of_asteroids_visited_by_spacecraft" class="mw-redirect" title="List of asteroids visited by spacecraft">List of asteroids visited by spacecraft</a></li></ul> <div style="clear:left;" 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=65803_Didymos&action=edit&section=8" 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-Apollo-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-Apollo_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Apollo_4-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">It is an <a href="/wiki/Apollo_asteroid" title="Apollo asteroid">Apollo asteroid</a> because <a href="/wiki/Perihelion" class="mw-redirect" title="Perihelion">perihelion</a> (q) is less than 1.017 AU (Earth aphelion), not greater.</span> </li> <li id="cite_note-diameter-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-diameter_7-0">^</a></b></span> <span class="reference-text">Volume-equivalent spherical diameter is calculated from an ellipsoid's volume given Didymos's dimensions of <span class="nowrap"><span data-sort-value="7002851000000000000♠"></span>851 × 849 × 620</span> m,<sup id="cite_ref-Cheng2023_6-1" class="reference"><a href="#cite_note-Cheng2023-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Pages: 28–29">: 28–29 </span></sup> and then solving for radius with <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle r={\sqrt[{3}]{3V \over 4\pi }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>r</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mroot> <mfrac> <mrow> <mn>3</mn> <mi>V</mi> </mrow> <mrow> <mn>4</mn> <mi>π</mi> </mrow> </mfrac> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </mroot> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle r={\sqrt[{3}]{3V \over 4\pi }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0433b06fed29a77aa4be9b21c2fb831b441da220" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:10.257ex; height:6.176ex;" alt="{\displaystyle r={\sqrt[{3}]{3V \over 4\pi }}}"></span>.</span> </li> <li id="cite_note-pole-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-pole_12-0">^</a></b></span> <span class="reference-text">Naidu et al. (2020) give the Didymos's north pole direction in terms of <a href="/wiki/Ecliptic_coordinates" class="mw-redirect" title="Ecliptic coordinates">ecliptic coordinates</a>, where <i>λ</i> is ecliptic longitude and <i>β</i> is ecliptic latitude.<sup id="cite_ref-Naidu2020_8-2" class="reference"><a href="#cite_note-Naidu2020-8"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page: 12">: 12 </span></sup> <i>β</i> is the angular offset from the ecliptic plane whereas inclination <i>i</i> with respect to the ecliptic is the angular offset from the ecliptic north pole at <i>β</i> = +90°; <i>i</i> with respect to the ecliptic would be the <a href="/wiki/Angle#Combining_angle_pairs" title="Angle">complement</a> of <i>β</i>.<sup id="cite_ref-coordstransform_11-0" class="reference"><a href="#cite_note-coordstransform-11"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Therefore, given <i>β</i> = –84°, <i>i</i> = 90° – (–84°) = 174° from the ecliptic.</span> </li> <li id="cite_note-lightcurve-plot-PDO-23"><span class="mw-cite-backlink"><b><a href="#cite_ref-lightcurve-plot-PDO_23-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://www.minorplanetobserver.com/pdolc/A65803_2003.HTM">Lightcurve plots</a> of 65803 Didymos, Palmer Divide Observatory, <a href="/wiki/Brian_D._Warner" title="Brian D. Warner">B. D. Warner</a></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=65803_Didymos&action=edit&section=9" 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-jpldata-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-jpldata_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-jpldata_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-jpldata_1-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-jpldata_1-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-jpldata_1-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-jpldata_1-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-jpldata_1-6"><sup><i><b>g</b></i></sup></a> <a href="#cite_ref-jpldata_1-7"><sup><i><b>h</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://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2065803&view=OPC">"JPL Small-Body Database Browser: 65803 Didymos (1996 GT)"</a> (2017-04-27 last obs.). <a href="/wiki/Jet_Propulsion_Laboratory" title="Jet Propulsion Laboratory">Jet Propulsion Laboratory</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210422130744/https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2065803">Archived</a> from the original on 22 April 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">28 June</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=JPL+Small-Body+Database+Browser%3A+65803+Didymos+%281996+GT%29&rft.pub=Jet+Propulsion+Laboratory&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Ftools%2Fsbdb_lookup.html%23%2F%3Fsstr%3D2065803%26view%3DOPC&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFReference-OED-didymous" class="citation encyclopaedia cs1"><span class="id-lock-subscription" title="Paid subscription required"><a rel="nofollow" class="external text" href="https://www.oed.com/search/dictionary/?q=didymous">"didymous"</a></span>. <i><a href="/wiki/Oxford_English_Dictionary" title="Oxford English Dictionary">Oxford English Dictionary</a></i> (Online ed.). <a href="/wiki/Oxford_University_Press" title="Oxford University Press">Oxford University Press</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=didymous&rft.btitle=Oxford+English+Dictionary&rft.edition=Online&rft.pub=Oxford+University+Press&rft_id=https%3A%2F%2Fwww.oed.com%2Fsearch%2Fdictionary%2F%3Fq%3Ddidymous&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span> <span style="font-size:0.95em; font-size:95%; color: var( --color-subtle, #555 )">(Subscription or <a rel="nofollow" class="external text" href="https://www.oed.com/public/login/loggingin#withyourlibrary">participating institution membership</a> required.)</span></span> </li> <li id="cite_note-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></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchmadel2006" class="citation book cs1">Schmadel, Lutz D. (2006). "(65803) Didymos [1.64, 0.38, 3.4]". <i>Dictionary of Minor Planet Names – (65803) Didymos, Addendum to Fifth Edition: 2003–2005</i>. <a href="/wiki/Springer_Berlin_Heidelberg" class="mw-redirect" title="Springer Berlin Heidelberg">Springer Berlin Heidelberg</a>. p. 225. <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%2F978-3-540-34361-5_2677">10.1007/978-3-540-34361-5_2677</a>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-3-540-34361-5" title="Special:BookSources/978-3-540-34361-5"><bdi>978-3-540-34361-5</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=%2865803%29+Didymos+%26%2391%3B1.64%2C+0.38%2C+3.4%26%2393%3B&rft.btitle=Dictionary+of+Minor+Planet+Names+%E2%80%93+%2865803%29+Didymos%2C+Addendum+to+Fifth+Edition%3A+2003%E2%80%932005&rft.pages=225&rft.pub=Springer+Berlin+Heidelberg&rft.date=2006&rft_id=info%3Adoi%2F10.1007%2F978-3-540-34361-5_2677&rft.isbn=978-3-540-34361-5&rft.aulast=Schmadel&rft.aufirst=Lutz+D.&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span></span> </li> <li id="cite_note-MPC-Didymos-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-MPC-Didymos_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-MPC-Didymos_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/db_search/show_object?object_id=65803">"65803 Didymos (1996 GT)"</a>. <i>Minor Planet Center</i>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20201112004545/http://www.minorplanetcenter.net/db_search/show_object?object_id=65803">Archived</a> from the original on 12 November 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">12 March</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=65803+Didymos+%281996+GT%29&rft_id=https%3A%2F%2Fwww.minorplanetcenter.net%2Fdb_search%2Fshow_object%3Fobject_id%3D65803&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span></span> </li> <li id="cite_note-Cheng2023-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-Cheng2023_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Cheng2023_6-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Cheng2023_6-2"><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="CITEREFChengAgrusaBarbeeMeyer2022" class="citation journal cs1">Cheng, Andrew; Agrusa, Harrison; Barbee, Brent; Meyer, Alex; Farnham, Tony; Raducan, Sabina; et al. 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European Southern Observatory. January 1998. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210617050235/https://aas.aanda.org/articles/aas/full/1998/01/ds1449/node3.html">Archived</a> from the original on 17 June 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">17 June</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Astronomy+and+Astrophysics&rft.atitle=Coordinate+transformations&rft.date=1998-01&rft_id=https%3A%2F%2Faas.aanda.org%2Farticles%2Faas%2Ffull%2F1998%2F01%2Fds1449%2Fnode3.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span></span> </li> <li id="cite_note-Scheirich2022-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-Scheirich2022_13-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFScheirichPravec2022" class="citation journal cs1">Scheirich, P.; Pravec, P. 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Retrieved <span class="nowrap">12 March</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=LCDB+Data+for+%2865803%29+Didymos&rft.pub=Asteroid+Lightcurve+Database+%28LCDB%29&rft_id=http%3A%2F%2Fwww.minorplanet.info%2FPHP%2FgenerateOneAsteroidInfo.php%3FAstInfo%3D65803%257CDidymos&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span></span> </li> <li id="cite_note-Kitazato-2004-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-Kitazato-2004_15-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKitazatoAbeMitoTarusawa2004" class="citation book cs1">Kitazato, K.; Abe, M.; Mito, H.; Tarusawa, K.; Soyano, T.; Nishihara, S.; et al. 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Retrieved <span class="nowrap">12 March</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=Photometric+Behaviour+Dependent+on+Solar+Phase+Angle+and+Physical+Characteristics+of+Binary+Near-Earth-Asteroid+%2865803%29+1996+GT&rft.btitle=35th+Lunar+and+Planetary+Science+Conference&rft.pages=1623&rft.date=2004-03&rft_id=info%3Abibcode%2F2004LPI....35.1623K&rft.aulast=Kitazato&rft.aufirst=K.&rft.au=Abe%2C+M.&rft.au=Mito%2C+H.&rft.au=Tarusawa%2C+K.&rft.au=Soyano%2C+T.&rft.au=Nishihara%2C+S.&rft.au=Sarugaku%2C+Y.&rft_id=http%3A%2F%2Fadsabs.harvard.edu%2Fcgi-bin%2Fbib_query%3Fbibcode%3D2004LPI....35.1623K&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span></span> </li> <li id="cite_note-Pravec-2012b-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-Pravec-2012b_16-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFPravecHarrisKusnirákGalád2012" class="citation journal cs1">Pravec, Petr; Harris, Alan W.; Kusnirák, Peter; Galád, Adrián; Hornoch, Kamil (September 2012). <a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012Icar..221..365P">"Absolute magnitudes of asteroids and a revision of asteroid albedo estimates from WISE thermal observations"</a>. <i>Icarus</i>. <b>221</b> (1): 365–387. <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/2012Icar..221..365P">2012Icar..221..365P</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.icarus.2012.07.026">10.1016/j.icarus.2012.07.026</a><span class="reference-accessdate">. Retrieved <span class="nowrap">12 March</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Icarus&rft.atitle=Absolute+magnitudes+of+asteroids+and+a+revision+of+asteroid+albedo+estimates+from+WISE+thermal+observations&rft.volume=221&rft.issue=1&rft.pages=365-387&rft.date=2012-09&rft_id=info%3Adoi%2F10.1016%2Fj.icarus.2012.07.026&rft_id=info%3Abibcode%2F2012Icar..221..365P&rft.aulast=Pravec&rft.aufirst=Petr&rft.au=Harris%2C+Alan+W.&rft.au=Kusnir%C3%A1k%2C+Peter&rft.au=Gal%C3%A1d%2C+Adri%C3%A1n&rft.au=Hornoch%2C+Kamil&rft_id=http%3A%2F%2Fadsabs.harvard.edu%2Fcgi-bin%2Fbib_query%3Fbibcode%3D2012Icar..221..365P&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span></span> </li> <li id="cite_note-Horizons2184-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-Horizons2184_17-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%2765803%27&START_TIME=%272184-Oct-14%2010:15%27&STOP_TIME=%272184-Oct-15%27&STEP_SIZE=%271%20day%27&QUANTITIES=%2720,39%27">"Horizons Batch for 2184-Oct-14 Close Approach"</a>. <a href="/wiki/JPL_Horizons_On-Line_Ephemeris_System" title="JPL Horizons On-Line Ephemeris System">JPL Horizons</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20221015025813/https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%2765803%27&START_TIME=%272184-Oct-14%2010:15%27&STOP_TIME=%272184-Oct-15%27&STEP_SIZE=%271%20day%27&QUANTITIES=%2720,39%27">Archived</a> from the original on 15 October 2022<span class="reference-accessdate">. Retrieved <span class="nowrap">14 October</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Horizons+Batch+for+2184-Oct-14+Close+Approach&rft.pub=JPL+Horizons&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fhorizons_batch.cgi%3Fbatch%3D1%26COMMAND%3D%252765803%2527%26START_TIME%3D%25272184-Oct-14%252010%3A15%2527%26STOP_TIME%3D%25272184-Oct-15%2527%26STEP_SIZE%3D%25271%2520day%2527%26QUANTITIES%3D%252720%2C39%2527&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span> RNG_3sigma = uncertainty range in km. (JPL#194/Soln.date: 2022-Oct-13 generates RNG_3sigma = 1343 km)</span> </li> <li id="cite_note-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-18">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCampo_BagatinDell’OroParroBenavidez2024" class="citation journal cs1">Campo Bagatin, Adriano; Dell’Oro, Aldo; Parro, Laura M.; Benavidez, Paula G.; Jacobson, Seth; Lucchetti, Alice; Marzari, Francesco; Michel, Patrick; Pajola, Maurizio; Vincent, Jean-Baptiste (3 May 2024). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11068898">"Recent collisional history of (65803) Didymos"</a>. <i>Nature Communications</i>. <b>15</b> (1): 3714. <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/2024NatCo..15.3714C">2024NatCo..15.3714C</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%2Fs41467-024-48094-7">10.1038/s41467-024-48094-7</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/2041-1723">2041-1723</a>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11068898">11068898</a></span>. <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/38702317">38702317</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Nature+Communications&rft.atitle=Recent+collisional+history+of+%2865803%29+Didymos&rft.volume=15&rft.issue=1&rft.pages=3714&rft.date=2024-05-03&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC11068898%23id-name%3DPMC&rft_id=info%3Abibcode%2F2024NatCo..15.3714C&rft_id=info%3Apmid%2F38702317&rft_id=info%3Adoi%2F10.1038%2Fs41467-024-48094-7&rft.issn=2041-1723&rft.aulast=Campo+Bagatin&rft.aufirst=Adriano&rft.au=Dell%E2%80%99Oro%2C+Aldo&rft.au=Parro%2C+Laura+M.&rft.au=Benavidez%2C+Paula+G.&rft.au=Jacobson%2C+Seth&rft.au=Lucchetti%2C+Alice&rft.au=Marzari%2C+Francesco&rft.au=Michel%2C+Patrick&rft.au=Pajola%2C+Maurizio&rft.au=Vincent%2C+Jean-Baptiste&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC11068898&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span></span> </li> <li id="cite_note-deLeon-2010-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-deLeon-2010_19-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFde_LeónLicandroSerra-RicartPinilla-Alonso2010" class="citation journal cs1">de León, J.; Licandro, J.; Serra-Ricart, M.; Pinilla-Alonso, N.; Campins, H. 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Retrieved <span class="nowrap">7 October</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.esa.int&rft.atitle=Planetary+defence+mission+Hera+heading+for+deflected+asteroid&rft_id=https%3A%2F%2Fwww.esa.int%2FSpace_Safety%2FHera%2FPlanetary_defence_mission_Hera_heading_for_deflected_asteroid&rfr_id=info%3Asid%2Fen.wikipedia.org%3A65803+Didymos" class="Z3988"></span></span> </li> <li id="cite_note-Proposed_launch-40"><span class="mw-cite-backlink"><b><a href="#cite_ref-Proposed_launch_40-0">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="http://iaaweb.org/iaa/Scientific%20Activity/conf/pdc2019/IAA-PDC-19-04-09ab.pdf">Numerical modelling of the DART impact and the importance of the Hera mission.</a><sup class="noprint Inline-Template"><span style="white-space: nowrap;">[<i><a href="/wiki/Wikipedia:Link_rot" title="Wikipedia:Link rot"><span title=" Dead link tagged March 2021">permanent dead link</span></a></i><span style="visibility:hidden; color:transparent; padding-left:2px">‍</span>]</span></sup> Sabina D. Raducan, Thomas M. Davison, Gareth S. Collins. PDC 2019. Washington, D.C., USA.</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=65803_Didymos&action=edit&section=10" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1235681985">.mw-parser-output .side-box{margin:4px 0;box-sizing:border-box;border:1px solid #aaa;font-size:88%;line-height:1.25em;background-color:var(--background-color-interactive-subtle,#f8f9fa);display:flow-root}.mw-parser-output .side-box-abovebelow,.mw-parser-output .side-box-text{padding:0.25em 0.9em}.mw-parser-output .side-box-image{padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .side-box-imageright{padding:2px 0.9em 2px 0;text-align:center}@media(min-width:500px){.mw-parser-output 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rel="nofollow" class="external text" href="http://www.johnstonsarchive.net/astro/asteroidmoons.html">Asteroids with Satellites</a>, Robert Johnston, johnstonsarchive.net</li> <li><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/iau/lists/NumberedMPs065001.html">Discovery Circumstances: Numbered Minor Planets (65001)-(70000)</a> – Minor Planet Center</li> <li><a rel="nofollow" class="external text" href="https://newton.spacedys.com/neodys/index.php?n=65803&pc=1.1.0">65803 Didymos</a> at <i>NeoDyS-2, Near Earth Objects—Dynamic Site</i> <ul><li><a rel="nofollow" class="external text" href="https://newton.spacedys.com/neodys/index.php?n=65803&pc=1.1.3.0">Ephemerides</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/neodys/index.php?n=65803&pc=1.1.4.0">Observation prediction</a> <b>·</b> <a rel="nofollow" class="external text" href="https://newton.spacedys.com/neodys/index.php?n=65803&pc=1.1.1">Orbital info</a> <b>·</b> <a 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rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20065803&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=20065803">Ephemeris</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20065803&view=V">Orbit viewer</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20065803&view=O">Orbit parameters</a> <b>·</b> <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=20065803&view=P">Physical parameters</a></li></ul></li></ul> <style data-mw-deduplicate="TemplateStyles:r1130092004">.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;justify-content:center;align-items:baseline}.mw-parser-output .portal-bar-bordered{padding:0 2em;background-color:#fdfdfd;border:1px solid #a2a9b1;clear:both;margin:1em auto 0}.mw-parser-output .portal-bar-related{font-size:100%;justify-content:flex-start}.mw-parser-output .portal-bar-unbordered{padding:0 1.7em;margin-left:0}.mw-parser-output .portal-bar-header{margin:0 1em 0 0.5em;flex:0 0 auto;min-height:24px}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;flex:0 1 auto;padding:0.15em 0;column-gap:1em;align-items:baseline;margin:0;list-style:none}.mw-parser-output .portal-bar-content-related{margin:0;list-style:none}.mw-parser-output .portal-bar-item{display:inline-block;margin:0.15em 0.2em;min-height:24px;line-height:24px}@media screen and (max-width:768px){.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;flex-flow:column wrap;align-items:baseline}.mw-parser-output .portal-bar-header{text-align:center;flex:0;padding-left:0.5em;margin:0 auto}.mw-parser-output .portal-bar-related{font-size:100%;align-items:flex-start}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;align-items:center;flex:0;column-gap:1em;border-top:1px solid #a2a9b1;margin:0 auto;list-style:none}.mw-parser-output .portal-bar-content-related{border-top:none;margin:0;list-style:none}}.mw-parser-output .navbox+link+.portal-bar,.mw-parser-output .navbox+style+.portal-bar,.mw-parser-output .navbox+link+.portal-bar-bordered,.mw-parser-output .navbox+style+.portal-bar-bordered,.mw-parser-output .sister-bar+link+.portal-bar,.mw-parser-output .sister-bar+style+.portal-bar,.mw-parser-output .portal-bar+.navbox-styles+.navbox,.mw-parser-output .portal-bar+.navbox-styles+.sister-bar{margin-top:-1px}</style><div class="portal-bar noprint metadata noviewer portal-bar-bordered" role="navigation" aria-label="Portals"><span class="portal-bar-header"><a href="/wiki/Wikipedia:Contents/Portals" title="Wikipedia:Contents/Portals">Portals</a>:</span><ul class="portal-bar-content"><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/19px-Crab_Nebula.jpg" decoding="async" width="19" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/29px-Crab_Nebula.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/38px-Crab_Nebula.jpg 2x" data-file-width="3864" data-file-height="3864" /></span></span> </span><a href="/wiki/Portal:Astronomy" title="Portal:Astronomy">Astronomy</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><a href="/wiki/File:He1523a.jpg" class="mw-file-description"><img alt="icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/He1523a.jpg/16px-He1523a.jpg" decoding="async" width="16" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5f/He1523a.jpg/25px-He1523a.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5f/He1523a.jpg/33px-He1523a.jpg 2x" data-file-width="180" data-file-height="207" /></a></span> </span><a href="/wiki/Portal:Stars" title="Portal:Stars">Stars</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/19px-RocketSunIcon.svg.png" decoding="async" width="19" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/29px-RocketSunIcon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/38px-RocketSunIcon.svg.png 2x" data-file-width="128" data-file-height="128" /></span></span> </span><a href="/wiki/Portal:Spaceflight" title="Portal:Spaceflight">Spaceflight</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/21px-Earth-moon.jpg" decoding="async" width="21" height="17" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/32px-Earth-moon.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/42px-Earth-moon.jpg 2x" data-file-width="3000" data-file-height="2400" /></span></span> </span><a href="/wiki/Portal:Outer_space" title="Portal:Outer space">Outer space</a></li><li class="portal-bar-item"><span class="nowrap"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/15px-Solar_system.jpg" decoding="async" width="15" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/23px-Solar_system.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/83/Solar_system.jpg/30px-Solar_system.jpg 2x" data-file-width="4500" data-file-height="5600" /></span></span> </span><a href="/wiki/Portal:Solar_System" title="Portal:Solar System">Solar System</a></li></ul></div> <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 ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": 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.navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="2022_in_space" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:2022_in_space" title="Template:2022 in space"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:2022_in_space" title="Template talk:2022 in space"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:2022_in_space" title="Special:EditPage/Template:2022 in space"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="2022_in_space" style="font-size:114%;margin:0 4em">2022 in space</div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><div style="float: left;"> « <a href="/wiki/Template:2021_in_space" title="Template:2021 in space">2021</a></div> <div style="float: right;"><a href="/wiki/Template:2023_in_space" title="Template:2023 in space">2023</a> »</div></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/2022_in_spaceflight" title="2022 in spaceflight">Space probe launches</a> <span typeof="mw:File"><a href="/wiki/Category:Space_probes_launched_in_2022" title="Category:Space probes launched in 2022"><img alt="Space probes launched in 2022" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/15px-Symbol_category_class.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/30px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CAPSTONE" title="CAPSTONE">CAPSTONE</a> (June 2022)</li> <li><a href="/wiki/Danuri" title="Danuri">Danuri</a> (August 2022)</li> <li><a href="/wiki/Artemis_I" title="Artemis I">Artemis I</a> (November 2022) <ul><li><a href="/wiki/ArgoMoon" title="ArgoMoon">ArgoMoon</a></li> <li><a href="/wiki/EQUULEUS" title="EQUULEUS">EQUULEUS</a></li> <li><a href="/wiki/Lunar_Polar_Hydrogen_Mapper" title="Lunar Polar Hydrogen Mapper">LunaH-Map</a></li> <li><a href="/wiki/Lunar_IceCube" title="Lunar IceCube">Lunar IceCube</a></li> <li><a href="/wiki/Near-Earth_Asteroid_Scout" title="Near-Earth Asteroid Scout">NEA Scout</a></li> <li><a href="/wiki/OMOTENASHI" title="OMOTENASHI">OMOTENASHI</a></li> <li><a href="/wiki/LunIR" title="LunIR">LunIR</a></li></ul></li> <li><a href="/wiki/Hakuto-R" class="mw-redirect" title="Hakuto-R">Hakuto-R Mission 1</a> / <a href="/wiki/Emirates_Lunar_Mission" title="Emirates Lunar Mission">Emirates Lunar Mission</a> / <a href="/wiki/Lunar_Flashlight" title="Lunar Flashlight">Lunar Flashlight</a> (December 2022)</li></ul> </div></td><td class="noviewer navbox-image" rowspan="6" style="width:1px;padding:0 0 0 2px;padding-left: 0.5em;"><div><span typeof="mw:File"><a href="/wiki/File:Webb%27s_First_Deep_Field.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Webb%27s_First_Deep_Field.jpg/125px-Webb%27s_First_Deep_Field.jpg" decoding="async" width="125" height="128" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Webb%27s_First_Deep_Field.jpg/188px-Webb%27s_First_Deep_Field.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Webb%27s_First_Deep_Field.jpg/250px-Webb%27s_First_Deep_Field.jpg 2x" data-file-width="4537" data-file-height="4630" /></a></span><br /><span typeof="mw:File"><a href="/wiki/File:Stacked_image_of_Dimorphos_true_orientation.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Stacked_image_of_Dimorphos_true_orientation.jpg/125px-Stacked_image_of_Dimorphos_true_orientation.jpg" decoding="async" width="125" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Stacked_image_of_Dimorphos_true_orientation.jpg/188px-Stacked_image_of_Dimorphos_true_orientation.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Stacked_image_of_Dimorphos_true_orientation.jpg/250px-Stacked_image_of_Dimorphos_true_orientation.jpg 2x" data-file-width="5792" data-file-height="5792" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Impact_event" title="Impact event">Impact events</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/2022_EB5" title="2022 EB5">2022 EB<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">5</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_WJ1" title="2022 WJ1">2022 WJ<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Selected <a href="/wiki/Near-Earth_object" title="Near-Earth object">NEOs</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_asteroid_close_approaches_to_Earth_in_2022" title="List of asteroid close approaches to Earth in 2022">Asteroid close approaches</a></li> <li><span class="nowrap"><a href="/wiki/2020_AP1" title="2020 AP1">2020 AP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_AE1" title="2022 AE1">2022 AE<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_AP7" title="2022 AP7">2022 AP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">7</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_BX1" title="2022 BX1">2022 BX<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/(7482)_1994_PC1" title="(7482) 1994 PC1">(7482) 1994 PC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2015_DR215" title="2015 DR215">2015 DR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">215</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_FD1" title="2022 FD1">2022 FD<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><a href="/wiki/(7335)_1989_JA" title="(7335) 1989 JA">(7335) 1989 JA</a></li> <li><span class="nowrap"><a href="/wiki/2022_NX1" title="2022 NX1">2022 NX<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_QX4" title="2022 QX4">2022 QX<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><a href="/wiki/161989_Cacus" title="161989 Cacus">161989 Cacus</a></li> <li><a class="mw-selflink selflink">65803 Didymos</a></li> <li><span class="nowrap"><a href="/wiki/2022_UR4" title="2022 UR4">2022 UR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_RM4" title="2022 RM4">2022 RM<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2005_LW3" class="mw-redirect" title="2005 LW3">2005 LW<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">3</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_WM7" title="2022 WM7">2022 WM<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">7</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2010_XC15" class="mw-redirect" title="2010 XC15">2010 XC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">15</span></span></a></span></li> <li><a href="/wiki/2022_YG" title="2022 YG">2022 YG</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Discoveries</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/2021_LL37" title="2021 LL37">2021 LL<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">37</span></span></a></span> (TNO)</li> <li><span class="nowrap"><a href="/wiki/2021_RR205" title="2021 RR205">2021 RR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">205</span></span></a></span> (TNO)</li> <li><a href="/wiki/Alcyoneus_(galaxy)" title="Alcyoneus (galaxy)">Alcyoneus (galaxy)</a></li> <li><a href="/wiki/CEERS-93316" title="CEERS-93316">CEERS-93316</a></li> <li><a href="/wiki/Gaia_BH1" title="Gaia BH1">Gaia BH1</a></li> <li><a href="/wiki/GLASS-z12" title="GLASS-z12">GLASS-z12</a></li> <li><a href="/wiki/GNz7q" title="GNz7q">GNz7q</a></li> <li><a href="/wiki/GRB_221009A" title="GRB 221009A">GRB 221009A</a></li> <li><a href="/wiki/HD1_(galaxy)" class="mw-redirect" title="HD1 (galaxy)">HD1 (galaxy)</a></li> <li><a href="/wiki/J1144%E2%80%934308" title="J1144–4308">J1144–4308</a></li> <li><a href="/wiki/JADES-GS-z13-0" title="JADES-GS-z13-0">JADES-GS-z13-0</a></li> <li><a href="/wiki/OGLE-2011-BLG-0462" title="OGLE-2011-BLG-0462">OGLE-2011-BLG-0462</a></li> <li><a href="/wiki/PKS_2131-021" title="PKS 2131-021">PKS 2131-021</a></li> <li><a href="/wiki/PSR_J0901%E2%80%934046" title="PSR J0901–4046">PSR J0901–4046</a></li> <li><a href="/wiki/PSR_J0952%E2%80%930607" title="PSR J0952–0607">PSR J0952–0607</a></li> <li><a href="/wiki/Sagittarius_A*" title="Sagittarius A*">Sagittarius A*</a> imaged</li> <li><a href="/wiki/S4716" title="S4716">S4716</a></li> <li><a href="/wiki/SN_2022jli" title="SN 2022jli">SN 2022jli</a></li> <li><a href="/wiki/VFTS_243" title="VFTS 243">VFTS 243</a></li> <li><a href="/wiki/Webb%27s_First_Deep_Field" title="Webb's First Deep Field">Webb's First Deep Field</a> (<a href="/wiki/SMACS_J0723.3%E2%80%937327" class="mw-redirect" title="SMACS J0723.3–7327">SMACS J0723.3–7327</a>)</li> <li><a href="/wiki/WD_1054%E2%80%93226" title="WD 1054–226">WD 1054–226</a></li> <li><a href="/wiki/WHL0137-LS" title="WHL0137-LS">WHL0137-LS</a></li> <li><a href="/wiki/ZTF_J1813%2B4251" title="ZTF J1813+4251">ZTF J1813+4251</a></li> <li>12 <a href="/wiki/Moons_of_Jupiter" title="Moons of Jupiter">moons of Jupiter</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_exoplanets_discovered_in_2022" title="List of exoplanets discovered in 2022">Exoplanets</a> <span typeof="mw:File"><a href="/wiki/Category:Exoplanets_discovered_in_2022" title="Category:Exoplanets discovered in 2022"><img alt="Exoplanets discovered in 2022" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/15px-Symbol_category_class.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/30px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AB_Aurigae_b" title="AB Aurigae b">AB Aurigae b</a></li> <li><a href="/wiki/Carbon_dioxide" title="Carbon dioxide"><span class="nowrap">CO<sub>2</sub></span></a> on <a href="/wiki/WASP-39b" title="WASP-39b">WASP-39b</a></li> <li><a href="/wiki/Gliese_514" title="Gliese 514">Gliese 514 b</a></li> <li><a href="/wiki/Gliese_3929" class="mw-redirect" title="Gliese 3929">Gliese 3929</a> <ul><li><a href="/wiki/Gliese_3929_b" class="mw-redirect" title="Gliese 3929 b">b</a></li> <li>c</li></ul></li> <li><a href="/wiki/EQ_Pegasi" title="EQ Pegasi">Gliese 896 Ab</a></li> <li><a href="/wiki/HD_83443" title="HD 83443">HD 83443 c</a></li> <li><a href="/wiki/HD_260655" title="HD 260655">HD 260655</a> <ul><li>b</li> <li>c</li></ul></li> <li><a href="/wiki/List_of_exoplanets_discovered_in_2022" title="List of exoplanets discovered in 2022">K2-2016-BLG-0005Lb</a></li> <li><a href="/wiki/2M_1938%2B4603" class="mw-redirect" title="2M 1938+4603">Kepler-451</a> <ul><li>c</li> <li>d</li></ul></li> <li><a href="/wiki/Kepler-1708b" title="Kepler-1708b">Kepler-1708b</a> and possible <a href="/wiki/Exomoon" title="Exomoon">exomoon</a> <a href="/wiki/Kepler-1708b_I" class="mw-redirect" title="Kepler-1708b I">Kepler-1708b I</a></li> <li><a href="/wiki/LP_890-9" title="LP 890-9">LP 890-9</a> <ul><li><a href="/wiki/LP_890-9_b" class="mw-redirect" title="LP 890-9 b">b</a></li> <li><a href="/wiki/LP_890-9_c" class="mw-redirect" title="LP 890-9 c">c</a></li></ul></li> <li><a href="/wiki/Mu2_Scorpii" title="Mu2 Scorpii">Mu2 Scorpii</a> <ul><li>b</li> <li>c</li></ul></li> <li><a href="/wiki/OGLE-2018-BLG-1119Lb" class="mw-redirect" title="OGLE-2018-BLG-1119Lb">OGLE-2018-BLG-1119Lb</a></li> <li><a href="/wiki/Pi_Mensae#Planetary_system" title="Pi Mensae">Pi Mensae d</a></li> <li><a href="/wiki/Proxima_Centauri_d" title="Proxima Centauri d">Proxima Centauri d</a></li> <li><a href="/wiki/TOI-1227_b" title="TOI-1227 b">TOI-1227 b</a></li> <li><a href="/wiki/TOI-1452_b" title="TOI-1452 b">TOI-1452 b</a></li> <li><a href="/wiki/TOI-2180_b" title="TOI-2180 b">TOI-2180 b</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Comets <span typeof="mw:File"><a href="/wiki/Category:Comets_in_2022" title="Category:Comets in 2022"><img alt="Comets in 2022" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/15px-Symbol_category_class.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/30px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/C/2021_O3_(PanSTARRS)" title="C/2021 O3 (PanSTARRS)">C/2021 O3 (PanSTARRS)</a></li> <li><a href="/wiki/73P/Schwassmann%E2%80%93Wachmann" title="73P/Schwassmann–Wachmann">73P/Schwassmann–Wachmann</a></li> <li><a href="/wiki/C/2017_K2_(PanSTARRS)" title="C/2017 K2 (PanSTARRS)">C/2017 K2 (PanSTARRS)</a></li> <li><a href="/wiki/C/2022_E3_(ZTF)" title="C/2022 E3 (ZTF)">C/2022 E3 (ZTF)</a></li> <li>PSP-001</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Space exploration</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Double_Asteroid_Redirection_Test" title="Double Asteroid Redirection Test">DART</a> (<a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a> impact; September 2022)</li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/32px-Earth-moon.jpg" decoding="async" width="32" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/48px-Earth-moon.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/64px-Earth-moon.jpg 2x" data-file-width="3000" data-file-height="2400" /></span></span> </span><a href="/wiki/Portal:Outer_space" title="Portal:Outer space">Outer space portal</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:2021_in_outer_space" title="Category:2021 in outer space">Category:2021 in outer space</a> — <b><a href="/wiki/Category:2022_in_outer_space" title="Category:2022 in outer space">Category:2022 in outer space</a></b> — <a href="/wiki/Category:2023_in_outer_space" title="Category:2023 in outer space">Category:2023 in outer space</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Minor_planets_navigator" style="padding:3px"><table class="nowraplinks mw-collapsible expanded navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Minor_planets_navigator" title="Template:Minor planets navigator"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Minor_planets_navigator" title="Template talk:Minor planets navigator"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Minor_planets_navigator" title="Special:EditPage/Template:Minor planets navigator"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Minor_planets_navigator" style="font-size:114%;margin:0 4em"><a href="/wiki/List_of_minor_planets#Main_index" title="List of minor planets">Minor planets navigator</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><b><a href="/wiki/List_of_minor_planets:_65001%E2%80%9366000#803" title="List of minor planets: 65001–66000">65803 Didymos</a></b></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Small_Solar_System_bodies" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Small_Solar_System_bodies" title="Template:Small Solar System bodies"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Small_Solar_System_bodies" title="Template talk:Small Solar System bodies"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Small_Solar_System_bodies" title="Special:EditPage/Template:Small Solar System bodies"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Small_Solar_System_bodies" style="font-size:114%;margin:0 4em"><a href="/wiki/Small_Solar_System_body" title="Small Solar System body">Small Solar System bodies</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Minor_planet" title="Minor planet">Minor planets</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Minor-planet_designation" title="Minor-planet designation">Designation</a></li> <li><a href="/wiki/List_of_minor-planet_groups" title="List of minor-planet groups">Groups</a></li> <li><a href="/wiki/List_of_minor_planets" title="List of minor planets">List</a></li> <li><a href="/wiki/Minor-planet_moon" title="Minor-planet moon">Moon</a></li> <li><a href="/wiki/Meanings_of_minor-planet_names" title="Meanings of minor-planet names">Meanings of names</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Asteroid" title="Asteroid">Asteroid</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Active_asteroid" title="Active asteroid">Active</a></li> <li><a href="/wiki/Aten_asteroid" title="Aten asteroid">Aten asteroid</a></li> <li><a href="/wiki/Asteroid_belt" title="Asteroid belt">Asteroid belt</a></li> <li><a href="/wiki/Asteroid_family" title="Asteroid family">Family</a></li> <li><a href="/wiki/Jupiter_trojan" title="Jupiter trojan">Jupiter trojan</a></li> <li><a href="/wiki/Near-Earth_object" title="Near-Earth object">Near-Earth</a></li> <li><a href="/wiki/Asteroid_spectral_types" title="Asteroid spectral types">Spectral types</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em"><a href="/wiki/Distant_minor_planet" title="Distant minor planet">Distant minor planet</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><ul><li><a href="/wiki/Centaur_(small_Solar_System_body)" title="Centaur (small Solar System body)">Centaur</a></li> <li><a href="/wiki/Neptune_trojan" title="Neptune trojan">Neptune trojan</a></li></ul></li> <li><a href="/wiki/Damocloid" title="Damocloid">Damocloid</a></li> <li><a href="/wiki/Trans-Neptunian_object" title="Trans-Neptunian object">Trans-Neptunian object</a> <ul><li><a href="/wiki/Detached_object" title="Detached object">Detached</a></li> <li><a href="/wiki/Kuiper_belt" title="Kuiper belt">Kuiper belt</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li> <li><a href="/wiki/Scattered_disc" title="Scattered disc">Scattered disc</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Comet" title="Comet">Comets</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Extinct_comet" title="Extinct comet">Extinct</a></li> <li><a href="/wiki/Great_comet" title="Great comet">Great</a></li> <li><a href="/wiki/List_of_Halley-type_comets" title="List of Halley-type comets">Halley-type</a></li> <li><a href="/wiki/List_of_hyperbolic_comets" title="List of hyperbolic comets">Hyperbolic</a></li> <li><a href="/wiki/List_of_long-period_comets" title="List of long-period comets">Long-period</a></li> <li><a href="/wiki/Lost_comet" title="Lost comet">Lost</a></li> <li><a href="/wiki/List_of_near-parabolic_comets" title="List of near-parabolic comets">Near-parabolic</a></li> <li><a href="/wiki/List_of_periodic_comets" title="List of periodic comets">Periodic</a></li> <li><a href="/wiki/Sungrazing_comet" title="Sungrazing comet">Sungrazing</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Cosmic_dust" title="Cosmic dust">Cosmic dust</a></li> <li><a href="/wiki/Meteoroid" title="Meteoroid">Meteoroids</a></li> <li><a href="/wiki/Space_debris" title="Space debris">Space debris</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-label="Navbox" style="padding:3px"><table 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