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<span>Procura</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Procurar en Wikipedia" aria-label="Procurar en Wikipedia" autocapitalize="sentences" title="Procurar neste wiki [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Especial:Procurar"> </div> <button class="cdx-button cdx-search-input__end-button">Procurar</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Ferramentas persoais"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Aparencia"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Cambia a aparencia do tamaño da fonte, o ancho e a cor da páxina" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Aparencia" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Aparencia</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_gl.wikipedia.org&uselang=gl" class=""><span>Doazóns</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Crear_unha_conta&returnto=28978+Ixion" title="É recomendable que cree unha conta e acceda ao sistema, se ben non é obrigatorio" class=""><span>Crear unha conta</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Iniciar_sesi%C3%B3n&returnto=28978+Ixion" title="É recomendable que se rexistre, se ben non é obrigatorio [o]" accesskey="o" class=""><span>Acceder ao sistema</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Máis opcións" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" 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href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_gl.wikipedia.org&uselang=gl"><span>Doazóns</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Crear_unha_conta&returnto=28978+Ixion" title="É recomendable que cree unha conta e acceda ao sistema, se ben non é obrigatorio"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Crear unha conta</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Iniciar_sesi%C3%B3n&returnto=28978+Ixion" title="É recomendable que se rexistre, se ben non é obrigatorio [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Acceder ao sistema</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Páxinas para os editores sen a sesión iniciada <a href="/wiki/Axuda:Introduci%C3%B3n" aria-label="Máis información sobre a edición"><span>máis información</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Especial:As_mi%C3%B1as_contribuci%C3%B3ns" title="Unha lista das modificacións feitas desde este enderezo IP [y]" accesskey="y"><span>Contribucións</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Especial:A_mi%C3%B1a_conversa" title="Conversa acerca de edicións feitas desde este enderezo IP [n]" accesskey="n"><span>Conversa</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Sitio"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contidos" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contidos</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover á barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">agochar</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inicio</div> </a> </li> <li id="toc-Características_físicas" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Características_físicas"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Características físicas</span> </div> </a> <button aria-controls="toc-Características_físicas-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Mostrar ou agochar a subsección "Características físicas"</span> </button> <ul id="toc-Características_físicas-sublist" class="vector-toc-list"> <li id="toc-Ocultación" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ocultación"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Ocultación</span> </div> </a> <ul id="toc-Ocultación-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Órbita_e_rotación" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Órbita_e_rotación"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Órbita e rotación</span> </div> </a> <ul id="toc-Órbita_e_rotación-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notas" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notas"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Notas</span> </div> </a> <ul id="toc-Notas-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Véxase_tamén" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Véxase_tamén"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Véxase tamén</span> </div> </a> <button aria-controls="toc-Véxase_tamén-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Mostrar ou agochar a subsección "Véxase tamén"</span> </button> <ul id="toc-Véxase_tamén-sublist" class="vector-toc-list"> <li id="toc-Ligazóns_externas" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ligazóns_externas"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Ligazóns externas</span> </div> </a> <ul id="toc-Ligazóns_externas-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contidos" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Mostrar ou agochar a táboa de contidos" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Mostrar ou agochar a táboa de contidos</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">28978 Ixion</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="Ir a un artigo noutra lingua. Dispoñible en 41 linguas" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-41" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">41 linguas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/28978_%D8%A5%D9%83%D8%B3%D9%8A%D9%88%D9%86" title="28978 إكسيون – árabe" lang="ar" hreflang="ar" data-title="28978 إكسيون" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/28978_%D8%A7%D9%8A%D9%83%D8%B3%D9%8A%D9%88%D9%86_(%D9%83%D9%88%D9%8A%D9%83%D8%A8)" title="28978 ايكسيون (كويكب) – Egyptian Arabic" lang="arz" hreflang="arz" data-title="28978 ايكسيون (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-be mw-list-item"><a href="https://be.wikipedia.org/wiki/(28978)_%D0%86%D0%BA%D1%81%D1%96%D1%91%D0%BD" title="(28978) Іксіён – belaruso" lang="be" hreflang="be" data-title="(28978) Іксіён" data-language-autonym="Беларуская" data-language-local-name="belaruso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/28978_%D0%86%D0%BA%D1%81%D1%96%D1%91%D0%BD" title="28978 Іксіён – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="28978 Іксіён" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/28978_%D0%98%D0%BA%D1%81%D0%B8%D0%BE%D0%BD" title="28978 Иксион – búlgaro" lang="bg" hreflang="bg" data-title="28978 Иксион" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/(28978)_Ixion" title="(28978) Ixion – catalán" lang="ca" hreflang="ca" data-title="(28978) Ixion" data-language-autonym="Català" data-language-local-name="catalán" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Ixion_(planetka)" title="Ixion (planetka) – checo" lang="cs" hreflang="cs" data-title="Ixion (planetka)" data-language-autonym="Čeština" data-language-local-name="checo" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%98%D0%BA%D1%81%D0%B8%D0%BE%D0%BD" title="Иксион – chuvaxo" lang="cv" hreflang="cv" data-title="Иксион" data-language-autonym="Чӑвашла" data-language-local-name="chuvaxo" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – dinamarqués" lang="da" hreflang="da" data-title="28978 Ixion" data-language-autonym="Dansk" data-language-local-name="dinamarqués" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/(28978)_Ixion" title="(28978) Ixion – alemán" lang="de" hreflang="de" data-title="(28978) Ixion" data-language-autonym="Deutsch" data-language-local-name="alemán" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/28978_%CE%99%CE%BE%CE%AF%CF%89%CE%BD" title="28978 Ιξίων – grego" lang="el" hreflang="el" data-title="28978 Ιξίων" data-language-autonym="Ελληνικά" data-language-local-name="grego" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="artigo bo"><a href="https://en.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – inglés" lang="en" hreflang="en" data-title="28978 Ixion" data-language-autonym="English" data-language-local-name="inglés" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/28978_Iksiono" title="28978 Iksiono – esperanto" lang="eo" hreflang="eo" data-title="28978 Iksiono" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/(28978)_Ixion" title="(28978) Ixion – español" lang="es" hreflang="es" data-title="(28978) Ixion" data-language-autonym="Español" data-language-local-name="español" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/(28978)_Ixion" title="(28978) Ixion – éuscaro" lang="eu" hreflang="eu" data-title="(28978) Ixion" data-language-autonym="Euskara" data-language-local-name="éuscaro" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%DB%8C%D8%A7%D8%B1%DA%A9_%DB%B2%DB%B8%DB%B9%DB%B7%DB%B8" title="سیارک ۲۸۹۷۸ – persa" lang="fa" hreflang="fa" data-title="سیارک ۲۸۹۷۸" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – finés" lang="fi" hreflang="fi" data-title="28978 Ixion" data-language-autonym="Suomi" data-language-local-name="finés" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/(28978)_Ixion" title="(28978) Ixion – francés" lang="fr" hreflang="fr" data-title="(28978) Ixion" data-language-autonym="Français" data-language-local-name="francés" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Ixion" title="Ixion – irlandés" lang="ga" hreflang="ga" data-title="Ixion" data-language-autonym="Gaeilge" data-language-local-name="irlandés" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/28978_Iksion" title="28978 Iksion – croata" lang="hr" hreflang="hr" data-title="28978 Iksion" data-language-autonym="Hrvatski" data-language-local-name="croata" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – indonesio" lang="id" hreflang="id" data-title="28978 Ixion" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesio" 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/28978_Ixion" title="28978 Ixion – italiano" lang="it" hreflang="it" data-title="28978 Ixion" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A4%E3%82%AF%E3%82%B7%E3%82%AA%E3%83%B3_(%E5%B0%8F%E6%83%91%E6%98%9F)" title="イクシオン (小惑星) – xaponés" lang="ja" hreflang="ja" data-title="イクシオン (小惑星)" data-language-autonym="日本語" data-language-local-name="xaponés" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/28978_%EC%9D%B5%EC%8B%9C%EC%98%A8" title="28978 익시온 – coreano" lang="ko" hreflang="ko" data-title="28978 익시온" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%98%D0%BA%D1%81%D0%B8%D0%BE%D0%BD" title="Иксион – komi" lang="kv" hreflang="kv" data-title="Иксион" data-language-autonym="Коми" data-language-local-name="komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/(28978)_Ixion" title="(28978) Ixion – luxemburgués" lang="lb" hreflang="lb" data-title="(28978) Ixion" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgués" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – minangkabau" lang="min" hreflang="min" data-title="28978 Ixion" data-language-autonym="Minangkabau" data-language-local-name="minangkabau" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ixion_(planeto%C3%AFde)" title="Ixion (planetoïde) – neerlandés" lang="nl" hreflang="nl" data-title="Ixion (planetoïde)" data-language-autonym="Nederlands" data-language-local-name="neerlandés" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – noruegués nynorsk" lang="nn" hreflang="nn" data-title="28978 Ixion" data-language-autonym="Norsk nynorsk" data-language-local-name="noruegués nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – noruegués bokmål" lang="nb" hreflang="nb" data-title="28978 Ixion" data-language-autonym="Norsk bokmål" data-language-local-name="noruegués bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/(28978)_Iksjon" title="(28978) Iksjon – polaco" lang="pl" hreflang="pl" data-title="(28978) Iksjon" data-language-autonym="Polski" data-language-local-name="polaco" 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/28978_%C3%8Dxion" title="28978 Íxion – portugués" lang="pt" hreflang="pt" data-title="28978 Íxion" data-language-autonym="Português" data-language-local-name="portugués" 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/Ixion" title="Ixion – romanés" lang="ro" hreflang="ro" data-title="Ixion" data-language-autonym="Română" data-language-local-name="romanés" 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/(28978)_%D0%98%D0%BA%D1%81%D0%B8%D0%BE%D0%BD" title="(28978) Иксион – ruso" lang="ru" hreflang="ru" data-title="(28978) Иксион" data-language-autonym="Русский" data-language-local-name="ruso" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – Simple English" lang="en-simple" hreflang="en-simple" data-title="28978 Ixion" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – eslovaco" lang="sk" hreflang="sk" data-title="28978 Ixion" data-language-autonym="Slovenčina" data-language-local-name="eslovaco" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/28978_Iksion" title="28978 Iksion – esloveno" lang="sl" hreflang="sl" data-title="28978 Iksion" data-language-autonym="Slovenščina" data-language-local-name="esloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/28978_Ixion" title="28978 Ixion – sueco" lang="sv" hreflang="sv" data-title="28978 Ixion" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/28978_%D0%86%D0%BA%D1%81%D1%96%D0%BE%D0%BD" title="28978 Іксіон – ucraíno" lang="uk" hreflang="uk" data-title="28978 Іксіон" data-language-autonym="Українська" data-language-local-name="ucraíno" 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/28978_Ixion" title="28978 Ixion – vietnamita" lang="vi" hreflang="vi" data-title="28978 Ixion" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%B0%8F%E8%A1%8C%E6%98%9F28978" title="小行星28978 – chinés" lang="zh" hreflang="zh" data-title="小行星28978" data-language-autonym="中文" data-language-local-name="chinés" 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/Q15591#sitelinks-wikipedia" title="Editar as ligazóns interlingüísticas" class="wbc-editpage">Editar as ligazóns</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espazos de nomes"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/28978_Ixion" title="Ver o contido da páxina [c]" accesskey="c"><span>Artigo</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Conversa:28978_Ixion" rel="discussion" title="Conversa acerca do contido desta páxina [t]" accesskey="t"><span>Conversa</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" 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class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">agochar</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Na Galipedia, a Wikipedia en galego.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="gl" dir="ltr"><table class="infobox" style="width:250px; font-size:8pt;"> <caption style="font-size:10pt;"><b>28978 Ixion</b> <span typeof="mw:File"><a href="/wiki/Ficheiro:Ixion_symbol_(bold).svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Ixion_symbol_%28bold%29.svg/16px-Ixion_symbol_%28bold%29.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/47/Ixion_symbol_%28bold%29.svg/24px-Ixion_symbol_%28bold%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/47/Ixion_symbol_%28bold%29.svg/32px-Ixion_symbol_%28bold%29.svg.png 2x" data-file-width="16" data-file-height="16" /></a></span> </caption> <tbody><tr> <th colspan="2" align="center"><span typeof="mw:File"><a href="/wiki/Ficheiro:28978-ixion_hst.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/28978-ixion_hst.jpg/250px-28978-ixion_hst.jpg" decoding="async" width="250" height="250" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/28978-ixion_hst.jpg/375px-28978-ixion_hst.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/0/08/28978-ixion_hst.jpg 2x" data-file-width="400" data-file-height="400" /></a></span> </th></tr> <tr> <th bgcolor="#ffffc0" colspan="2" align="center">Descubrimento e clasificación<sup id="cite_ref-jpldata_1-0" class="reference"><a href="#cite_note-jpldata-1"><span>[</span>1<span>]</span></a></sup><sup id="cite_ref-MPEC2001-N01_2-0" class="reference"><a href="#cite_note-MPEC2001-N01-2"><span>[</span>2<span>]</span></a></sup> </th></tr> <tr> <th align="left">Descuberto polo </th> <td>programa <a href="/w/index.php?title=Deep_Ecliptic_Survey&action=edit&redlink=1" class="new" title="Deep Ecliptic Survey (a páxina aínda non existe)">Deep Ecliptic Survey</a> </td></tr> <tr> <th align="left">Descuberto dende o </th> <td><a href="/w/index.php?title=Observatorio_de_Cerro_Tololo&action=edit&redlink=1" class="new" title="Observatorio de Cerro Tololo (a páxina aínda non existe)">Observatorio de Cerro Tololo</a> </td></tr> <tr> <th align="left">Descuberto o </th> <td>22-05-2001 </td></tr> <tr> <th align="left">Nome no <a href="/w/index.php?title=Centro_de_Planetas_Menores&action=edit&redlink=1" class="new" title="Centro de Planetas Menores (a páxina aínda non existe)">Mpc</a> </th> <td>28978 Ixion </td></tr> <tr> <th align="left">Nome alternativo </th> <td>2001 KX<sub>76</sub> </td></tr> <tr> <th align="left">Categoría no <a href="/w/index.php?title=Centro_de_Planetas_Menores&action=edit&redlink=1" class="new" title="Centro de Planetas Menores (a páxina aínda non existe)">Mpc</a> </th> <td><a href="/w/index.php?title=Obxecto_Trans-neptuniano&action=edit&redlink=1" class="new" title="Obxecto Trans-neptuniano (a páxina aínda non existe)">TNO</a> (<a href="/wiki/Plutino" title="Plutino">plutino</a>)<sup id="cite_ref-Buie_3-0" class="reference"><a href="#cite_note-Buie-3"><span>[</span>3<span>]</span></a></sup> </td></tr> <tr> <th bgcolor="#ffffc0" colspan="2" align="center">Características orbitais<sup id="cite_ref-jpldata_1-1" class="reference"><a href="#cite_note-jpldata-1"><span>[</span>1<span>]</span></a></sup> </th></tr> <tr> <th colspan="2" align="center" style="font-size:7pt;"><a href="/wiki/%C3%89poca_(astronom%C3%ADa)" title="Época (astronomía)">Época</a>= 31-12-2006 (2 454 100,5 <a href="/w/index.php?title=D%C3%ADa_xuliano&action=edit&redlink=1" class="new" title="Día xuliano (a páxina aínda non existe)">xd</a>) </th></tr> <tr> <th align="left"><a href="/wiki/Afelio" title="Afelio">Afelio</a> </th> <td>7.370,503 <a href="/wiki/Metro" title="Metro">Gm</a> (49,269 <a href="/wiki/Unidade_astron%C3%B3mica" title="Unidade astronómica">UA</a>) (Q) </td></tr> <tr> <th align="left"><a href="/wiki/Perihelio" title="Perihelio">Perihelio</a> </th> <td>4.501,495 <a href="/wiki/Metro" title="Metro">Gm</a> (30,091 <a href="/wiki/Unidade_astron%C3%B3mica" title="Unidade astronómica">UA</a>) (q) </td></tr> <tr> <th align="left"><a href="/wiki/Eixo_semi-maior" class="mw-redirect" title="Eixo semi-maior">Eixo semi-maior</a> </th> <td>5.935,999 <a href="/wiki/Metro" title="Metro">Gm</a> (39,680 <a href="/wiki/Unidade_astron%C3%B3mica" title="Unidade astronómica">UA</a>) </td></tr> <tr> <th align="left"><a href="/w/index.php?title=Excentricidade_(%C3%B3rbita)&action=edit&redlink=1" class="new" title="Excentricidade (órbita) (a páxina aínda non existe)">Excentricidade</a> </th> <td>0,242 </td></tr> <tr> <th align="left"><a href="/wiki/Per%C3%ADodo_orbital" title="Período orbital">Período orbital</a> </th> <td>91.295,847 <a href="/wiki/D%C3%ADa" title="Día">d</a> (249,95 <a href="/w/index.php?title=Ano_xuliano&action=edit&redlink=1" class="new" title="Ano xuliano (a páxina aínda non existe)">ax</a>) </td></tr> <tr> <th align="left"><a href="/w/index.php?title=Inclinaci%C3%B3n&action=edit&redlink=1" class="new" title="Inclinación (a páxina aínda non existe)">Inclinación</a> </th> <td>19,584<a href="/w/index.php?title=Grao_(%C3%A1ngulo)&action=edit&redlink=1" class="new" title="Grao (ángulo) (a páxina aínda non existe)">°</a> </td></tr> <tr> <th align="left"><a href="/w/index.php?title=Anomal%C3%ADa_media&action=edit&redlink=1" class="new" title="Anomalía media (a páxina aínda non existe)">Anomalía media</a> </th> <td>268,546° (M) </td></tr> <tr> <th align="left"><a href="/w/index.php?title=Lonxitude_do_nodo_ascendente&action=edit&redlink=1" class="new" title="Lonxitude do nodo ascendente (a páxina aínda non existe)">Lonxitude do nodo ascendente</a> </th> <td>71,028<a href="/w/index.php?title=Grao_(%C3%A1ngulo)&action=edit&redlink=1" class="new" title="Grao (ángulo) (a páxina aínda non existe)">°</a> </td></tr> <tr> <th align="left"><a href="/w/index.php?title=Argumento_da_periapse&action=edit&redlink=1" class="new" title="Argumento da periapse (a páxina aínda non existe)">Argumento do perihelio</a> </th> <td>298,779<a href="/w/index.php?title=Grao_(%C3%A1ngulo)&action=edit&redlink=1" class="new" title="Grao (ángulo) (a páxina aínda non existe)">°</a> </td></tr> <tr> <th bgcolor="#ffffc0" colspan="2" align="center">Características físicas </th></tr> <tr> <th align="left">Diámetro </th> <td>650 (+260 -220) km<sup id="cite_ref-spitzer_4-0" class="reference"><a href="#cite_note-spitzer-4"><span>[</span>4<span>]</span></a></sup><br />< 822 km de diámetro<sup id="cite_ref-johnston_5-0" class="reference"><a href="#cite_note-johnston-5"><span>[</span>5<span>]</span></a></sup> </td></tr> <tr> <th align="left"><a href="/wiki/%C3%81rea" title="Área">Área</a> superficial </th> <td>< 2,24 x 10<sup>6</sup> <a href="/w/index.php?title=Quilometro&action=edit&redlink=1" class="new" title="Quilometro (a páxina aínda non existe)">km<sup>2</sup></a> </td></tr> <tr> <th align="left">Volume </th> <td>< 3,15 x 10<sup>8</sup> <a href="/w/index.php?title=Quilometro&action=edit&redlink=1" class="new" title="Quilometro (a páxina aínda non existe)">km<sup>3</sup></a> </td></tr> <tr> <th align="left"><a href="/wiki/Masa" title="Masa">Masa</a> </th> <td>≈3 x 10<sup>20</sup> kg<sup id="cite_ref-mass_6-0" class="reference"><a href="#cite_note-mass-6"><span>[</span>note 1<span>]</span></a></sup> </td></tr> <tr> <th align="left"><a href="/wiki/Densidade" title="Densidade">Densidade</a> </th> <td>2,0? g/<a href="/w/index.php?title=Cent%C3%ADmetro_c%C3%BAbico&action=edit&redlink=1" class="new" title="Centímetro cúbico (a páxina aínda non existe)">cm³</a> </td></tr> <tr> <th align="left"><a href="/wiki/Gravidade" title="Gravidade">Gravidade</a> superficial </th> <td>0,2297? m/s² </td></tr> <tr> <th align="left"><a href="/wiki/Velocidade" title="Velocidade">Velocidade</a> de escape </th> <td>0,4346? km/s </td></tr> <tr> <th align="left">Período de <a href="/wiki/Rotaci%C3%B3n" title="Rotación">rotación</a> </th> <td>? </td></tr> <tr> <th align="left"><a href="/w/index.php?title=Tipo_espectral&action=edit&redlink=1" class="new" title="Tipo espectral (a páxina aínda non existe)">Tipo espectral</a> </th> <td>(moderadamente vermello) B-V=1,03; V-R=0,61<sup id="cite_ref-Doressoundiram2004_7-0" class="reference"><a href="#cite_note-Doressoundiram2004-7"><span>[</span>6<span>]</span></a></sup> </td></tr> <tr> <th align="left"><a href="/wiki/Albedo" title="Albedo">Albedo</a> </th> <td>0,15-0,37<sup id="cite_ref-johnston_5-1" class="reference"><a href="#cite_note-johnston-5"><span>[</span>5<span>]</span></a></sup><br />0,12 (+ 0,14 - 0,06}}<sup id="cite_ref-spitzer_4-1" class="reference"><a href="#cite_note-spitzer-4"><span>[</span>4<span>]</span></a></sup> </td></tr> <tr> <th align="left"><a href="/wiki/Magnitude_aparente" title="Magnitude aparente">Magnitude aparente</a> </th> <td>19,6 (en oposición) <sup id="cite_ref-AstDys_8-0" class="reference"><a href="#cite_note-AstDys-8"><span>[</span>7<span>]</span></a></sup> </td></tr> <tr> <th align="left"><a href="/wiki/Magnitude_absoluta" title="Magnitude absoluta">Magnitude absoluta</a> </th> <td>3,86 (banda-V)<br />3,25 (banda-R)<sup id="cite_ref-Doressoundiram2004_7-1" class="reference"><a href="#cite_note-Doressoundiram2004-7"><span>[</span>6<span>]</span></a></sup> </td></tr> <tr> <th align="left"><a href="/wiki/Temperatura" title="Temperatura">Temperatura</a> superficial </th> <td>≈44 <a href="/wiki/Kelvin" title="Kelvin">K</a> </td></tr> <tr> <th align="left"><a href="/w/index.php?title=Tama%C3%B1o_angular&action=edit&redlink=1" class="new" title="Tamaño angular (a páxina aínda non existe)">Tamaño angular</a> </th> <td>0,022″ </td></tr></tbody></table> <p><b>28978 Ixion</b> é un obxecto do <a href="/wiki/Cinto_de_Kuiper" title="Cinto de Kuiper">cinto de Kuiper</a> que foi descuberto o 22 de maio do ano 2001. Ixion é un <a href="/wiki/Plutino" title="Plutino">plutino</a> (un obxecto que está nunha <a href="/wiki/Resonancia_orbital" title="Resonancia orbital">resonancia orbital</a> de 2:3 con <a href="/wiki/Neptuno" title="Neptuno">Neptuno</a>) e é un <a href="/wiki/Candidato_a_planeta_anano" class="mw-redirect" title="Candidato a planeta anano">candidato a planeta anano</a>; o seu <a href="/wiki/Di%C3%A1metro" title="Diámetro">diámetro</a> foi estimado en 650 km polo <a href="/wiki/Telescopio_Espacial_Spitzer" title="Telescopio Espacial Spitzer">Telescopio Espacial Spitzer</a> que fai deste obxecto o quinto plutino en tamaño. Foi bautizado coma <a href="/wiki/Ixi%C3%B3n_(mitolox%C3%ADa)" title="Ixión (mitoloxía)">Ixión</a>, un personaxe da <a href="/wiki/Mitolox%C3%ADa_grega" title="Mitoloxía grega">mitoloxía grega</a>. Ixion foi descuberto dende o <a href="/w/index.php?title=Observatorio_de_Cerro_Tololo&action=edit&redlink=1" class="new" title="Observatorio de Cerro Tololo (a páxina aínda non existe)">Observatorio de Cerro Tololo</a>.<sup id="cite_ref-MPEC2001-N01_2-1" class="reference"><a href="#cite_note-MPEC2001-N01-2"><span>[</span>2<span>]</span></a></sup> É moderadamente vermello visto baixo a luz visible e ten unha superficie que é unha mestura de <a href="/w/index.php?title=Tolina&action=edit&redlink=1" class="new" title="Tolina (a páxina aínda non existe)">tolinas</a> e xeo de auga. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Características_físicas"><span id="Caracter.C3.ADsticas_f.C3.ADsicas"></span>Características físicas</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=28978_Ixion&veaction=edit&section=1" title="Editar a sección: «Características físicas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=28978_Ixion&action=edit&section=1" title="Editar o código fonte da sección: Características físicas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Ixion-Spitzer2007.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Ixion-Spitzer2007.gif/175px-Ixion-Spitzer2007.gif" decoding="async" width="175" height="188" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Ixion-Spitzer2007.gif/263px-Ixion-Spitzer2007.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Ixion-Spitzer2007.gif/350px-Ixion-Spitzer2007.gif 2x" data-file-width="358" data-file-height="384" /></a><figcaption>O diámetro de Ixion depende do <a href="/wiki/Albedo" title="Albedo">albedo</a> (a fracción de luz que reflicte).</figcaption></figure> <p>Exceptuando <a href="/wiki/Plut%C3%B3n" title="Plutón">Plutón</a>, Ixion foi o primeiro TNO descuberto que orixinalmente se lle estimase un tamaño maior có do <a href="/wiki/Asteroide" title="Asteroide">asteroide</a> <a href="/wiki/Ceres_(planeta_anano)" title="Ceres (planeta anano)">Ceres</a>,<sup id="cite_ref-firstlook_9-0" class="reference"><a href="#cite_note-firstlook-9"><span>[</span>8<span>]</span></a></sup> No 2002, un ano despois do seu descubrimento, aínda se seguía pensando que Ixion tiña máis de 1000 km de diámetro.<sup id="cite_ref-MaxPlanckInstitute_10-0" class="reference"><a href="#cite_note-MaxPlanckInstitute-10"><span>[</span>9<span>]</span></a></sup> As estimacións do 2002 estaban baseadas nunha detección <i>errónea</i> feita a 250 GHz que non puido ser confirmada en posteriores observacións.<sup id="cite_ref-Altenhoff2004_11-0" class="reference"><a href="#cite_note-Altenhoff2004-11"><span>[</span>10<span>]</span></a></sup> Estimacións máis recentes suxiren que Ixion ten un albedo alto<sup id="cite_ref-johnston_5-2" class="reference"><a href="#cite_note-johnston-5"><span>[</span>5<span>]</span></a></sup> e que é máis pequeno ca Ceres. Observacións de Ixion feitas polo <a href="/wiki/Telescopio_Espacial_Spitzer" title="Telescopio Espacial Spitzer">Telescopio Espacial Spitzer</a> na parte do espectro do <a href="/wiki/Infravermello" class="mw-redirect" title="Infravermello">infravermello</a> profundo indican que o seu tamaño é duns 650 km.<sup id="cite_ref-spitzer_4-2" class="reference"><a href="#cite_note-spitzer-4"><span>[</span>4<span>]</span></a></sup> </p><p>Ixion e moderadamente vermello (un pisco máis cá <a href="/wiki/50000_Quaoar" class="mw-redirect" title="50000 Quaoar">50000 Quaoar</a>) baixo a <a href="/wiki/Luz_visible" class="mw-redirect" title="Luz visible">luz visible</a>.<sup id="cite_ref-Marchi2003_12-0" class="reference"><a href="#cite_note-Marchi2003-12"><span>[</span>11<span>]</span></a></sup> Tamén ten un <a href="/wiki/Albedo" title="Albedo">albedo</a> máis alto (>0.15) cós <a href="/wiki/Cubewano" title="Cubewano">cubewanos</a> vermellos de tamaño medio.<sup id="cite_ref-Altenhoff2004_11-1" class="reference"><a href="#cite_note-Altenhoff2004-11"><span>[</span>10<span>]</span></a></sup> Podería estar presente unha traza nunha lonxitude de onda de 0.8 μm no seu espectro, a cal normalmente é atribuída a unha alteración dos materiais da superficie por parte da auga.<sup id="cite_ref-Marchi2003_12-1" class="reference"><a href="#cite_note-Marchi2003-12"><span>[</span>11<span>]</span></a></sup> No infravermello próximo, o espectro de Ixion é plano e sen trazas distintivas. A banda de absorción do xeo de auga que está entre 1,5 e 2 μm é inexistente. Isto contrasta co espectro de <a href="/w/index.php?title=20000_Varuna&action=edit&redlink=1" class="new" title="20000 Varuna (a páxina aínda non existe)">Varuna</a>, o cal ten trazas distintivas no infravermello próximo así coma unha prominentes bandas de absorción de auga.<sup id="cite_ref-Licandro2002_13-0" class="reference"><a href="#cite_note-Licandro2002-13"><span>[</span>12<span>]</span></a></sup> Tanto os estudos espectroscópicos da luz visible así coma da luz infravermella amosan que a superficie de Ixion é unha mestura de xeo de auga, carbono escuro e <a href="/w/index.php?title=Tolina&action=edit&redlink=1" class="new" title="Tolina (a páxina aínda non existe)">tolinas</a>, as cales son <a href="/wiki/Copol%C3%ADmero" title="Copolímero">copolímeros</a> formados pola irradiación dos <a href="/wiki/Clatrato" title="Clatrato">clatratos</a> de auga e de compostos orgánicos.<sup id="cite_ref-Boehnhardt2004_14-0" class="reference"><a href="#cite_note-Boehnhardt2004-14"><span>[</span>13<span>]</span></a></sup> O <a href="/w/index.php?title=Very_Large_Telescope&action=edit&redlink=1" class="new" title="Very Large Telescope (a páxina aínda non existe)">Very Large Telescope</a> (VLT) inspeccionou Ixion na procura de actividade cometaria, pero non detectou ningunha <a href="/w/index.php?title=Coma_(astronom%C3%ADa)&action=edit&redlink=1" class="new" title="Coma (astronomía) (a páxina aínda non existe)">coma</a>.<sup id="cite_ref-coma_15-0" class="reference"><a href="#cite_note-coma-15"><span>[</span>14<span>]</span></a></sup> Ixion actualmente atópase a unha distancia dunhas 41 UAs respecto do Sol,<sup id="cite_ref-AstDys_8-1" class="reference"><a href="#cite_note-AstDys-8"><span>[</span>7<span>]</span></a></sup> e é posible que Ixion poida desenvolver unha coma ou unha atmosfera temporal cando se aproxime ó seu <a href="/wiki/Perihelio" title="Perihelio">perihelio</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Ocultación"><span id="Ocultaci.C3.B3n"></span>Ocultación</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=28978_Ixion&veaction=edit&section=2" title="Editar a sección: «Ocultación»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=28978_Ixion&action=edit&section=2" title="Editar o código fonte da sección: Ocultación"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ixion podería ocultar unha estrela relativamente brillante de <a href="/wiki/Magnitude_aparente" title="Magnitude aparente">magnitude aparente</a> 11,5 na constelación de <a href="/wiki/Ophiuchus" title="Ophiuchus">Ophiuchus</a> o 19 de xullo do 2010.<sup id="cite_ref-Preston2010_16-0" class="reference"><a href="#cite_note-Preston2010-16"><span>[</span>15<span>]</span></a></sup> Este evento podería ser visible en Norte América.<sup id="cite_ref-Preston2010_16-1" class="reference"><a href="#cite_note-Preston2010-16"><span>[</span>15<span>]</span></a></sup> A <a href="/wiki/Ascensi%C3%B3n_recta" title="Ascensión recta">RA</a> e a <a href="/wiki/Declinaci%C3%B3n_(astronom%C3%ADa)" title="Declinación (astronomía)">DE</a> para este evento está situado nunha rexión rica en estrelas, coa posición <a rel="nofollow" class="external text" href="http://www.wikisky.org/?ra=16.907185000000005&de=-24.40635000000001&zoom=10&show_grid=1&show_constellation_lines=1&show_constellation_boundaries=1&show_const_names=0&show_galaxies=1&show_box=1&box_ra=16.907185&box_de=-24.40635&box_width=50&box_height=50&img_source=DSS2">16 54 25,8620 −24 24 22,856.</a><sup id="cite_ref-Preston2010_16-2" class="reference"><a href="#cite_note-Preston2010-16"><span>[</span>15<span>]</span></a></sup> A ocultación podería durar máis de 45 segundos,<sup id="cite_ref-Preston2010_16-3" class="reference"><a href="#cite_note-Preston2010-16"><span>[</span>15<span>]</span></a></sup> pero a ruta para a predita ocultación podería non pasar pola Terra. A detección dunha ocultación axudaría a precisar mellor o diámetro deste candidato a planeta anano. </p> <div class="mw-heading mw-heading2"><h2 id="Órbita_e_rotación"><span id=".C3.93rbita_e_rotaci.C3.B3n"></span>Órbita e rotación</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=28978_Ixion&veaction=edit&section=3" title="Editar a sección: «Órbita e rotación»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=28978_Ixion&action=edit&section=3" title="Editar o código fonte da sección: Órbita e rotación"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:TheKuiperBelt_Orbits_Ixion2.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/TheKuiperBelt_Orbits_Ixion2.svg/300px-TheKuiperBelt_Orbits_Ixion2.svg.png" decoding="async" width="300" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a7/TheKuiperBelt_Orbits_Ixion2.svg/450px-TheKuiperBelt_Orbits_Ixion2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a7/TheKuiperBelt_Orbits_Ixion2.svg/600px-TheKuiperBelt_Orbits_Ixion2.svg.png 2x" data-file-width="400" data-file-height="200" /></a><figcaption>Este diagrama amosa as órbitas de Ixion (verde), Plutón (vermello) e Neptuno (gris). As posicións de Ixion e Plutón corresponden as abril do 2006.</figcaption></figure> <p>Ixion e Plutón seguen órbitas semellantes pero con diferentes orientacións: o <a href="/wiki/Perihelio" title="Perihelio">perihelio</a> de Ixion está por debaixo da eclíptica e pola contra o de Plutón está por riba. O contrario do que é usual en obxectos en resonancia orbital con Neptuno (tales coma <a href="/wiki/90482_Orcus" title="90482 Orcus">Orcus</a>), Ixion aproximase <i>bastante</i> a Plutón, un pouco por debaixo do 20 graos de <a href="/w/index.php?title=Separaci%C3%B3n_angular&action=edit&redlink=1" class="new" title="Separación angular (a páxina aínda non existe)">separación angular</a>. Ixion está actualmente cruzando a eclíptica cara a abaixo e acadará o seu perihelio no ano 2070. Plutón pasou ó seu perihelio no ano 1989 e actualmente está descendendo cara a eclíptica. O período orbital de Ixion é de polo menos de 250 anos, só un 0,5% máis grande có de Plutón. Ixion demostrou ter cambios regulares no seu brillo, o cal pensase que é debido á súa rotación. Con todo isto e a altura do ano 2010, o <a href="/w/index.php?title=Per%C3%ADodo_de_rotaci%C3%B3n&action=edit&redlink=1" class="new" title="Período de rotación (a páxina aínda non existe)">período de rotación</a> de Ixion aínda non puido ser precisado.<sup id="cite_ref-Boehnhardt2004_14-1" class="reference"><a href="#cite_note-Boehnhardt2004-14"><span>[</span>13<span>]</span></a></sup> </p> <div style="clear:left;"></div> <div class="mw-heading mw-heading2"><h2 id="Notas">Notas</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=28978_Ixion&veaction=edit&section=4" title="Editar a sección: «Notas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=28978_Ixion&action=edit&section=4" title="Editar o código fonte da sección: Notas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol class="references"> <li id="cite_note-mass-6"><span class="mw-cite-backlink"><a href="#cite_ref-mass_6-0">↑</a></span> <span class="reference-text">Usando o radio esférico obtido polo <a href="/w/index.php?title=Spitzer_Space_Telescope&action=edit&redlink=1" class="new" title="Spitzer Space Telescope (a páxina aínda non existe)">Spitzer</a> no 2007 de 325 km; <a href="/wiki/Volume_(f%C3%ADsica)" class="mw-redirect" title="Volume (física)">volume dunha esfera</a> x unha densidade asumida de 2 g/cm<sup>3</sup> da coma resultado unha masa (m=d*v) de 2,8 x 10<sup>20</sup> kg</span> </li> </ol> <div class="reflist columns references-column-width" style="-moz-column-width: 30em; -webkit-column-width: 30em; column-width: 30em; list-style-type: decimal;"> <ol class="references"> <li id="cite_note-jpldata-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-jpldata_1-0">1,0</a></sup> <sup><a href="#cite_ref-jpldata_1-1">1,1</a></sup></span> <span class="reference-text"><cite class="citation web"><a href="/wiki/JPL" class="mw-redirect" title="JPL">JPL</a>/<a href="/wiki/NASA" title="NASA">NASA</a>, ed. (12-07-2007). <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=Ixion">"JPL Small-Body Database Browser: 28978 Ixion (2001 KX76)"</a><span class="reference-accessdate">. Consultado o 04-10-2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.btitle=JPL+Small-Body+Database+Browser%3A+28978+Ixion+%282001+KX76%29&rft.genre=unknown&rft_id=http%3A%2F%2Fssd.jpl.nasa.gov%2Fsbdb.cgi%3Fsstr%3DIxion&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-MPEC2001-N01-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-MPEC2001-N01_2-0">2,0</a></sup> <sup><a href="#cite_ref-MPEC2001-N01_2-1">2,1</a></sup></span> <span class="reference-text"><cite class="citation web">B. G. Mardsen (01-07-2001). IAU Minor Planet Center, ed. <a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/mpec/K01/K01N01.html">"MPEC 2001-N01: 2001 FT185, 2001 KW76, 2001 KX76, 2001 KY76, 2001 KZ76, 2001 KA77"</a><span class="reference-accessdate">. Consultado o 05-01-2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.au=B.+G.+Mardsen&rft.btitle=MPEC+2001-N01%3A+2001+FT185%2C+2001+KW76%2C+2001+KX76%2C+2001+KY76%2C+2001+KZ76%2C+2001+KA77&rft.genre=unknown&rft_id=https%3A%2F%2Fwww.minorplanetcenter.net%2Fmpec%2FK01%2FK01N01.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Buie-3"><span class="mw-cite-backlink"><a href="#cite_ref-Buie_3-0">↑</a></span> <span class="reference-text"> <cite class="citation web">M. W. Buie (12-07-2007). SwRI, Space Science Department, ed. <a rel="nofollow" class="external text" href="http://www.boulder.swri.edu/~buie/kbo/astrom/28978.html">"Orbit Fit and Astrometric record for 28978"</a><span class="reference-accessdate">. Consultado o 29-09-2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.au=M.+W.+Buie&rft.btitle=Orbit+Fit+and+Astrometric+record+for+28978&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.boulder.swri.edu%2F~buie%2Fkbo%2Fastrom%2F28978.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-spitzer-4"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-spitzer_4-0">4,0</a></sup> <sup><a href="#cite_ref-spitzer_4-1">4,1</a></sup> <sup><a href="#cite_ref-spitzer_4-2">4,2</a></sup></span> <span class="reference-text"><cite class="citation book">John Stansberry, Will Grundy, Mike Brown, Dale Cruikshank, John Spencer, David Trilling, Jean-Luc Margot (2008). "Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope". En M. Antonietta Barucci, Hermann Boehnhardt, Dale P. Cruikshank. <a rel="nofollow" class="external text" href="http://www.lpi.usra.edu/books/ssbn2008/7017.pdf"><i>The Solar System Beyond Neptune</i></a> <span style="font-size:85%;">(pdf)</span>. <i>University of Arizona press</i>. pp. 161–179. <a href="/wiki/ISBN" title="ISBN">ISBN</a> <a href="/wiki/Especial:Fontes_bibliogr%C3%A1ficas/0-8165-2755-5" title="Especial:Fontes bibliográficas/0-8165-2755-5">0-8165-2755-5</a>. arxiv:<a rel="nofollow" class="external text" href="http://arxiv.org/abs/astro-ph/0702538v2">astro-ph/0702538v2</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.atitle=Physical+Properties+of+Kuiper+Belt+and+Centaur+Objects%3A+Constraints+from+Spitzer+Space+Telescope&rft.au=John+Stansberry%2C+Will+Grundy%2C+Mike+Brown%2C+Dale+Cruikshank%2C+John+Spencer%2C+David+Trilling%2C+Jean-Luc+Margot&rft.btitle=The+Solar+System+Beyond+Neptune&rft.date=2008&rft.genre=bookitem&rft.isbn=0-8165-2755-5&rft.pages=161-179&rft_id=http%3A%2F%2Fwww.lpi.usra.edu%2Fbooks%2Fssbn2008%2F7017.pdf&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-johnston-5"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-johnston_5-0">5,0</a></sup> <sup><a href="#cite_ref-johnston_5-1">5,1</a></sup> <sup><a href="#cite_ref-johnston_5-2">5,2</a></sup></span> <span class="reference-text"><cite class="citation web">W. R. Johnston (17-09-2008). <a rel="nofollow" class="external text" href="http://www.johnstonsarchive.net/astro/tnodiam.html">"TNO/Centaur diameters and albedos"</a><span class="reference-accessdate">. Consultado o 28-07-2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.au=W.+R.+Johnston&rft.btitle=TNO%2FCentaur+diameters+and+albedos&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.johnstonsarchive.net%2Fastro%2Ftnodiam.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Doressoundiram2004-7"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Doressoundiram2004_7-0">6,0</a></sup> <sup><a href="#cite_ref-Doressoundiram2004_7-1">6,1</a></sup></span> <span class="reference-text"><cite class="citation journal">A. Doressoundiram <i>e o seu equipo.</i> (2007). <a rel="nofollow" class="external text" href="https://iopscience.iop.org/article/10.1086/522783/meta">"The Meudon Multicolor Survey (2MS) of Centaurs and Trans-Neptunian Objects: From Visible to Infrared Colors"</a>. <i><a href="/w/index.php?title=Astronomical_Journal&action=edit&redlink=1" class="new" title="Astronomical Journal (a páxina aínda non existe)">Astronomical Journal</a></i> <b>134</b>: 2186–2199. <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2007AJ....134.2186D">2007AJ....134.2186D</a>. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1086%2F522783">10.1086/522783</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.atitle=The+Meudon+Multicolor+Survey+%282MS%29+of+Centaurs+and+Trans-Neptunian+Objects%3A+From+Visible+to+Infrared+Colors&rft.au=A.+Doressoundiram+%27%27e+o+seu+equipo.%27%27&rft.date=2007&rft.genre=article&rft.jtitle=Astronomical+Journal&rft.pages=2186-2199&rft.volume=134&rft_id=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.1086%2F522783%2Fmeta&rft_id=info%3Abibcode%2F2007AJ....134.2186D&rft_id=info%3Adoi%2F10.1086%2F522783&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-AstDys-8"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-AstDys_8-0">7,0</a></sup> <sup><a href="#cite_ref-AstDys_8-1">7,1</a></sup></span> <span class="reference-text"><cite class="citation web"><a href="/w/index.php?title=University_of_Pisa&action=edit&redlink=1" class="new" title="University of Pisa (a páxina aínda non existe)">University of Pisa</a>, Department of Mathematics (ed.). <a rel="nofollow" class="external text" href="http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.0&n=Ixion">"AstDys (28978) Ixion Ephemerides"</a><span class="reference-accessdate">. Consultado o 13-08-2009</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.btitle=AstDys+%2828978%29+Ixion+Ephemerides&rft.genre=unknown&rft_id=http%3A%2F%2Fhamilton.dm.unipi.it%2Fastdys%2Findex.php%3Fpc%3D1.1.3.0%26n%3DIxion&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-firstlook-9"><span class="mw-cite-backlink"><a href="#cite_ref-firstlook_9-0">↑</a></span> <span class="reference-text"><cite class="citation web">R. Stenger (24-08-2001). <a href="/wiki/CNN" title="CNN">CNN</a>, ed. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20160303183346/http://edition.cnn.com/2001/TECH/space/08/24/minor.planet/index.html">"New object deemed largest minor planet"</a>. Arquivado dende <a rel="nofollow" class="external text" href="http://edition.cnn.com/2001/TECH/space/08/24/minor.planet/index.html">o orixinal</a> o 03-03-2016<span class="reference-accessdate">. Consultado o 29-02-2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.au=R.+Stenger&rft.btitle=New+object+deemed+largest+minor+planet&rft.genre=unknown&rft_id=http%3A%2F%2Fedition.cnn.com%2F2001%2FTECH%2Fspace%2F08%2F24%2Fminor.planet%2Findex.html&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-MaxPlanckInstitute-10"><span class="mw-cite-backlink"><a href="#cite_ref-MaxPlanckInstitute_10-0">↑</a></span> <span class="reference-text"><cite class="citation web">F. Bertoldi, W. Altenhoff, N. Junkes (07-10-2002). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20190925020041/http://www.spaceref.com/news/viewpr.html?pid=9446">"Beyond Pluto: Max-Planck radioastronomers measure the sizes of distant minor planets"</a>. <i><a href="/w/index.php?title=SpaceRef.com&action=edit&redlink=1" class="new" title="SpaceRef.com (a páxina aínda non existe)">SpaceRef.com</a></i>. Arquivado dende <a rel="nofollow" class="external text" href="http://www.spaceref.com/news/viewpr.html?pid=9446">o orixinal</a> o 25-09-2019<span class="reference-accessdate">. Consultado o 06-01-2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.atitle=Beyond+Pluto%3A+Max-Planck+radioastronomers+measure+the+sizes+of+distant+minor+planets&rft.au=F.+Bertoldi%2C+W.+Altenhoff%2C+N.+Junkes&rft.chron=07-10-2002&rft.genre=unknown&rft.jtitle=SpaceRef.com&rft_id=http%3A%2F%2Fwww.spaceref.com%2Fnews%2Fviewpr.html%3Fpid%3D9446&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Altenhoff2004-11"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Altenhoff2004_11-0">10,0</a></sup> <sup><a href="#cite_ref-Altenhoff2004_11-1">10,1</a></sup></span> <span class="reference-text"><cite class="citation journal">W. J. Altenhoff, F. Bertoldi, K. M. Menten (2004). "Size estimates of some optically bright KBOs". <i><a href="/w/index.php?title=Astronomy_and_Astrophysics&action=edit&redlink=1" class="new" title="Astronomy and Astrophysics (a páxina aínda non existe)">Astronomy and Astrophysics</a></i> <b>415</b> (2): 771–775. <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2004A&A...415..771A">2004A&A...415..771A</a>. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1051%2F0004-6361%3A20035603">10.1051/0004-6361:20035603</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.atitle=Size+estimates+of+some+optically+bright+KBOs&rft.au=W.+J.+Altenhoff%2C++F.+Bertoldi%2C+K.+M.+Menten&rft.date=2004&rft.genre=article&rft.issue=2&rft.jtitle=Astronomy+and+Astrophysics&rft.pages=771-775&rft.volume=415&rft_id=info%3Abibcode%2F2004A%26A...415..771A&rft_id=info%3Adoi%2F10.1051%2F0004-6361%3A20035603&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Marchi2003-12"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Marchi2003_12-0">11,0</a></sup> <sup><a href="#cite_ref-Marchi2003_12-1">11,1</a></sup></span> <span class="reference-text"><cite class="citation journal">S. Marchi, M. Lazzarin, S. Magrin, C. Barbieri (2003). "Visible spectroscopy of the two largest known trans–Neptunian objects: Ixion and Quaoar". <i><a href="/w/index.php?title=Astronomy_and_Astrophysics_Letters&action=edit&redlink=1" class="new" title="Astronomy and Astrophysics Letters (a páxina aínda non existe)">Astronomy and Astrophysics Letters</a></i> <b>408</b>: L17–L19. <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2003A&A...408L..17M">2003A&A...408L..17M</a>. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1051%2F0004-6361%3A20031142">10.1051/0004-6361:20031142</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.atitle=Visible+spectroscopy+of+the+two+largest+known+trans%93Neptunian+objects%3A+Ixion+and+Quaoar&rft.au=S.+Marchi%2C+M.+Lazzarin%2C+S.+Magrin%2C+C.+Barbieri&rft.date=2003&rft.genre=article&rft.jtitle=Astronomy+and+Astrophysics+Letters&rft.pages=L17-L19&rft.volume=408&rft_id=info%3Abibcode%2F2003A%26A...408L..17M&rft_id=info%3Adoi%2F10.1051%2F0004-6361%3A20031142&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Licandro2002-13"><span class="mw-cite-backlink"><a href="#cite_ref-Licandro2002_13-0">↑</a></span> <span class="reference-text"><cite class="citation journal">J. Licandro, F. Ghinassi, L. Testi (2002). "Infrared spectroscopy of the largest known trans-Neptunian object 2001 KX76". <i><a href="/w/index.php?title=Astronomy_and_Astrophysics_Letters&action=edit&redlink=1" class="new" title="Astronomy and Astrophysics Letters (a páxina aínda non existe)">Astronomy and Astrophysics Letters</a></i> <b>388</b>: L9–L12. <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2002A&A...388L...9L">2002A&A...388L...9L</a>. <a href="/wiki/ArXiv" title="ArXiv">arXiv</a>:<a rel="nofollow" class="external text" href="//arxiv.org/abs/astro-ph/0204104">astro-ph/0204104</a>. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1051%2F0004-6361%3A20020533">10.1051/0004-6361:20020533</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.atitle=Infrared+spectroscopy+of+the+largest+known+trans-Neptunian+object+2001+KX76&rft.au=J.+Licandro%2C+F.+Ghinassi%2C+L.+Testi&rft.date=2002&rft.genre=article&rft.jtitle=Astronomy+and+Astrophysics+Letters&rft.pages=L9-L12&rft.volume=388&rft_id=info%3Aarxiv%2Fastro-ph%2F0204104&rft_id=info%3Abibcode%2F2002A%26A...388L...9L&rft_id=info%3Adoi%2F10.1051%2F0004-6361%3A20020533&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Boehnhardt2004-14"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Boehnhardt2004_14-0">13,0</a></sup> <sup><a href="#cite_ref-Boehnhardt2004_14-1">13,1</a></sup></span> <span class="reference-text"><cite class="citation journal">H. Boehnhardt <i>e o seu equipo.</i> (2004). "Surface characterization of 28978 Ixion (2001 KX76)". <i><a href="/w/index.php?title=Astronomy_and_Astrophysics_Letters&action=edit&redlink=1" class="new" title="Astronomy and Astrophysics Letters (a páxina aínda non existe)">Astronomy and Astrophysics Letters</a></i> <b>415</b>: L21–L25. <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2004A&A...415L..21B">2004A&A...415L..21B</a>. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1051%2F0004-6361%3A20040005">10.1051/0004-6361:20040005</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.atitle=Surface+characterization+of+28978+Ixion+%282001+KX76%29&rft.au=H.+Boehnhardt+%27%27e+o+seu+equipo.%27%27&rft.date=2004&rft.genre=article&rft.jtitle=Astronomy+and+Astrophysics+Letters&rft.pages=L21-L25&rft.volume=415&rft_id=info%3Abibcode%2F2004A%26A...415L..21B&rft_id=info%3Adoi%2F10.1051%2F0004-6361%3A20040005&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-coma-15"><span class="mw-cite-backlink"><a href="#cite_ref-coma_15-0">↑</a></span> <span class="reference-text"> <cite class="citation journal">O. Lorin, P. Rousselot (2007). "Search for cometary activity in three Centaurs (60558) Echeclus, 2000 FZ53 and 2000 GM137 and two trans-Neptunian objects (29981) 1999 TD10 and (28978) Ixion". <i><a href="/w/index.php?title=Monthly_Notices_of_the_Royal_Astronomical_Society&action=edit&redlink=1" class="new" title="Monthly Notices of the Royal Astronomical Society (a páxina aínda non existe)">Monthly Notices of the Royal Astronomical Society</a></i> <b>376</b> (2): 881–889. <a href="/wiki/Bibcode" title="Bibcode">Bibcode</a>:<a rel="nofollow" class="external text" href="http://adsabs.harvard.edu/abs/2007MNRAS.376..881L">2007MNRAS.376..881L</a>. <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://dx.doi.org/10.1111%2Fj.1365-2966.2007.11487.x">10.1111/j.1365-2966.2007.11487.x</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.atitle=Search+for+cometary+activity+in+three+Centaurs+%2860558%29+Echeclus%2C+2000+FZ53+and+2000+GM137+and+two+trans-Neptunian+objects+%2829981%29+1999+TD10+and+%2828978%29+Ixion&rft.au=O.+Lorin%2C+P.+Rousselot&rft.date=2007&rft.genre=article&rft.issue=2&rft.jtitle=Monthly+Notices+of+the+Royal+Astronomical+Society&rft.pages=881-889&rft.volume=376&rft_id=info%3Abibcode%2F2007MNRAS.376..881L&rft_id=info%3Adoi%2F10.1111%2Fj.1365-2966.2007.11487.x&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-Preston2010-16"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-Preston2010_16-0">15,0</a></sup> <sup><a href="#cite_ref-Preston2010_16-1">15,1</a></sup> <sup><a href="#cite_ref-Preston2010_16-2">15,2</a></sup> <sup><a href="#cite_ref-Preston2010_16-3">15,3</a></sup></span> <span class="reference-text"><cite class="citation web">S. Preston (26-05-2010). <a rel="nofollow" class="external text" href="https://web.archive.org/web/20110707181440/http://www.asteroidoccultation.com/2010_07/0719_28978_21077_Summary.txt">"(28978) Ixion / UCAC2 22032118 event on 2010 Jul 19, 01:48 UT"</a>. Arquivado dende <a rel="nofollow" class="external text" href="http://www.asteroidoccultation.com/2010_07/0719_28978_21077_Summary.txt">o orixinal</a> o 07-07-2011<span class="reference-accessdate">. Consultado o 05-07-2010</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fgl.wikipedia.org%3A28978+Ixion&rft.au=S.+Preston&rft.btitle=%2828978%29+Ixion+%2F+UCAC2+22032118+event+on+2010+Jul+19%2C+01%3A48+UT&rft.genre=unknown&rft_id=http%3A%2F%2Fwww.asteroidoccultation.com%2F2010_07%2F0719_28978_21077_Summary.txt&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Véxase_tamén"><span id="V.C3.A9xase_tam.C3.A9n"></span>Véxase tamén</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=28978_Ixion&veaction=edit&section=5" title="Editar a sección: «Véxase tamén»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=28978_Ixion&action=edit&section=5" title="Editar o código fonte da sección: Véxase tamén"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Ligazóns_externas"><span id="Ligaz.C3.B3ns_externas"></span>Ligazóns externas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=28978_Ixion&veaction=edit&section=6" title="Editar a sección: «Ligazóns externas»" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=28978_Ixion&action=edit&section=6" title="Editar o código fonte da sección: Ligazóns externas"><span>editar a fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://hamilton.dm.unipi.it/cgi-bin/astdys/astibo?objects:Ixion;main">AstDys</a> orbital elements</li> <li><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=Ixion;orb=1;view=Far">Orbital simulation</a> from JPL (Java) / <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=Ixion">Ephemeris</a></li></ul> <p><br /> </p> <div role="navigation" class="navbox" aria-labelledby="Plutoides_potenciais_e_oficiais_(planetas_ananos_trans-neptunianos)" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div class="plainlinks hlist navbar mini"><ul><li class="nv-ver"><a href="/wiki/Modelo:Plutoides" title="Modelo:Plutoides"><abbr title="Ver o modelo">v</abbr></a></li><li class="nv-conversa"><a href="/w/index.php?title=Conversa_modelo:Plutoides&action=edit&redlink=1" class="new" title="Conversa modelo:Plutoides (a páxina aínda non existe)"><abbr title="Conversa do modelo">c</abbr></a></li><li class="nv-editar"><a class="external text" href="https://gl.wikipedia.org/w/index.php?title=Modelo:Plutoides&action=edit"><abbr title="Editar o modelo">e</abbr></a></li></ul></div><div id="Plutoides_potenciais_e_oficiais_(planetas_ananos_trans-neptunianos)" style="font-size:114%;margin:0 4em"><a href="/wiki/Plutoide" title="Plutoide">Plutoides</a> potenciais e oficiais (<a href="/wiki/Planeta_anano" title="Planeta anano">planetas ananos</a> <a href="/wiki/Obxecto_transneptuniano" title="Obxecto transneptuniano">trans-neptunianos</a>)</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Cinto_de_Kuiper" title="Cinto de Kuiper">Cinto de Kuiper</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;padding:0.25em 0; line-height:1.4em;"><div style="padding:0em 0.25em"><b><a href="/wiki/Plut%C3%B3n" title="Plutón">Plutón</a></b> <span style="font-weight:bold;">·</span>  <b><a href="/wiki/Haumea_(planeta_anano)" title="Haumea (planeta anano)">Haumea</a></b> <span style="font-weight:bold;">·</span>  <b><a href="/wiki/Makemake_(planeta_anano)" title="Makemake (planeta anano)">Makemake</a></b></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Disco_disperso" title="Disco disperso">Disco disperso</a></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;padding:0.25em 0; line-height:1.4em;"><div style="padding:0em 0.25em"><b><a href="/wiki/Eris_(planeta_anano)" title="Eris (planeta anano)">Eris</a></b></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Candidatos do <a href="/wiki/Cinto_de_Kuiper" title="Cinto de Kuiper">cinto de Kuiper</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;padding:0.25em 0; line-height:1.4em;"><div style="padding:0em 0.25em"><a href="/wiki/90482_Orcus" title="90482 Orcus">Orcus</a> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/(208996)_2003_AZ84" title="(208996) 2003 AZ84">2003 AZ<sub>84</sub></a></span> <span style="font-weight:bold;">·</span>  <a class="mw-selflink selflink">Ixion</a> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/(145452)_2005_RN43" title="(145452) 2005 RN43">2005 RN<sub>43</sub></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/2002_MS4" class="mw-redirect" title="2002 MS4">2002 MS<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/(90568)_2004_GV9" title="(90568) 2004 GV9">2004 GV<sub>9</sub></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/w/index.php?title=(55637)_2002_UX25&action=edit&redlink=1" class="new" title="(55637) 2002 UX25 (a páxina aínda non existe)">2002 UX<sub>25</sub></a></span> <span style="font-weight:bold;">·</span>  <a href="/w/index.php?title=20000_Varuna&action=edit&redlink=1" class="new" title="20000 Varuna (a páxina aínda non existe)">Varuna</a> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/(145452)_2005_RN43" title="(145452) 2005 RN43">2005 RN<sub>43</sub></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/w/index.php?title=(202421)_2005_UQ513&action=edit&redlink=1" class="new" title="(202421) 2005 UQ513 (a páxina aínda non existe)">2005 UQ<sub>513</sub></a></span> <span style="font-weight:bold;">·</span>  <a href="/wiki/50000_Quaoar" class="mw-redirect" title="50000 Quaoar">Quaoar</a> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/(174567)_2003_MW12" title="(174567) 2003 MW12">2003 MW<sub>12</sub></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/(55565)_2002_AW197" title="(55565) 2002 AW197">2002 AW<sub>197</sub></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/(278361)_2007_JJ43" title="(278361) 2007 JJ43">2007 JJ<sub>43</sub></a></span> <span style="font-weight:bold;">·</span>  <a href="/wiki/120347_Salacia" title="120347 Salacia">Salacia</a></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Candidatos do <a href="/wiki/Disco_disperso" title="Disco disperso">Disco disperso</a></th><td class="navbox-list navbox-even" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;padding:0.25em 0; line-height:1.4em;"><div style="padding:0em 0.25em"><span style="white-space:nowrap"><a href="/wiki/(84522)_2002_TC302" title="(84522) 2002 TC302">2002 TC<sub>302</sub></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/w/index.php?title=2006_QH181&action=edit&redlink=1" class="new" title="2006 QH181 (a páxina aínda non existe)">2006 QH<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">181</span></span></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/wiki/(225088)_2007_OR10" class="mw-redirect" title="(225088) 2007 OR10">2007 OR<sub>10</sub></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/w/index.php?title=2010_EK139&action=edit&redlink=1" class="new" title="2010 EK139 (a páxina aínda non existe)">2010 EK<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">139</span></span></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/w/index.php?title=(229762)_2007_UK126&action=edit&redlink=1" class="new" title="(229762) 2007 UK126 (a páxina aínda non existe)">2007 UK<sub>126</sub></a></span> <span style="font-weight:bold;">·</span>  <span style="white-space:nowrap"><a href="/w/index.php?title=2005_QU182&action=edit&redlink=1" class="new" title="2005 QU182 (a páxina aínda non existe)">2005 QU<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">182</span></span></a></span> <span style="font-weight:bold;">·</span> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Outros candidatos</th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px;padding:0.25em 0; line-height:1.4em;"><div style="padding:0em 0.25em"><a href="/wiki/Sedna" title="Sedna">Sedna</a></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="padding:0.2em 0; background:lavender; line-height:1.3em;"><div>Véxase tamén: <a href="/wiki/Trit%C3%B3n_(l%C3%BAa)" title="Tritón (lúa)">Tritón</a> <span style="font-weight:bold;">·</span>  <a href="/w/index.php?title=Lista_de_obxectos_trans-neptunianos&action=edit&redlink=1" class="new" title="Lista de obxectos trans-neptunianos (a páxina aínda non existe)">Lista de obxectos trans-neptunianos</a> <span style="font-weight:bold;">·</span>  <a href="/wiki/Lista_de_candidatos_a_planeta_anano" title="Lista de candidatos a planeta anano">Lista de candidatos a planeta anano</a> <span style="font-weight:bold;">·</span>  <a href="/w/index.php?title=Lista_de_obxectos_do_Sistema_Solar&action=edit&redlink=1" class="new" title="Lista de obxectos do Sistema Solar (a páxina aínda non existe)">Lista de obxectos do Sistema Solar</a> <span style="font-weight:bold;">·</span>  <a href="/w/index.php?title=Lista_de_obxectos_do_Sistema_Solar_por_tama%C3%B1o&action=edit&redlink=1" class="new" title="Lista de obxectos do Sistema Solar por tamaño (a páxina aínda non existe)">Lista de obxectos do Sistema Solar por tamaño</a></div></td></tr></tbody></table></div> <p><br /> </p> <table role="presentation" class="mbox-small plainlinks sistersitebox" style="background-color:var(--background-color-neutral-subtle, #f8f9fa);border:1px solid var(--border-color-base, #a2a9b1);color:inherit"> <tbody><tr> <td class="mbox-image"><span class="noviewer" typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></td> <td class="mbox-text plainlist"><a href="https://commons.wikimedia.org/wiki/Portada_galega" class="extiw" title="commons:Portada galega">Wikimedia Commons</a> ten máis contidos multimedia na categoría:  <i><b><a href="https://commons.wikimedia.org/wiki/Category:28978_Ixion" class="extiw" title="commons:Category:28978 Ixion">28978 Ixion</a></b></i></td></tr> </tbody></table> <div role="navigation" class="navbox" aria-labelledby="Control_de_autoridades" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th id="Control_de_autoridades" scope="row" class="navbox-group" style="width:1%;width: 12%; text-align:center;"><a href="/wiki/Axuda:Control_de_autoridades" title="Axuda:Control de autoridades">Control de autoridades</a></th><td class="navbox-list navbox-odd plainlinks" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><span style="white-space:nowrap;"><span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Wikidata:Main_Page" title="Wikidata"><img alt="Wd" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/20px-Wikidata-logo.svg.png" decoding="async" width="20" height="11" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/30px-Wikidata-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/ff/Wikidata-logo.svg/40px-Wikidata-logo.svg.png 2x" data-file-width="1050" data-file-height="590" /></a></span>: <span class="uid"><a href="https://www.wikidata.org/wiki/Q15591" class="extiw" title="wikidata:Q15591">Q15591</a></span></span></li> <li><span style="white-space:nowrap;"><a href="/wiki/Laboratorio_de_Propulsi%C3%B3n_a_Chorro" title="Laboratorio de Propulsión a Chorro">JPL</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=20028978">20028978</a></span></span></span></li> <li><span style="white-space:nowrap;"><a href="/w/index.php?title=Minor_Planet_Center&action=edit&redlink=1" class="new" title="Minor Planet Center (a páxina aínda non existe)">MPC</a>: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="https://www.minorplanetcenter.net/db_search/show_object?object_id=28978">28978</a></span></span></span></li> <li><span style="white-space:nowrap;">UAT: <span class="uid"><span class="plainlinks"><a rel="nofollow" class="external text" href="http://astrothesaurus.org/uat/868">868</a></span></span></span></li></ul> </div></td></tr></tbody></table></div> <p><br /> </p>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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