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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="Växla innehållsförteckningen" > <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">Växla innehållsförteckningen</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">Excentricitet (astronomi)</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="Gå till en artikel på ett annat språk. Tillgänglig på 54 språk" > <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-54" 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">54 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Eksentrisiteit_(sterrekunde)" title="Eksentrisiteit (sterrekunde) – afrikaans" lang="af" hreflang="af" data-title="Eksentrisiteit (sterrekunde)" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%86%D8%AD%D8%B1%D8%A7%D9%81_%D9%85%D8%AF%D8%A7%D8%B1%D9%8A" title="انحراف مداري – arabiska" lang="ar" hreflang="ar" data-title="انحراف مداري" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Excentricidat" title="Excentricidat – aragonesiska" lang="an" hreflang="an" data-title="Excentricidat" data-language-autonym="Aragonés" data-language-local-name="aragonesiska" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%95%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%89%E0%A7%8E%E0%A6%95%E0%A7%87%E0%A6%A8%E0%A7%8D%E0%A6%A6%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%95%E0%A6%A4%E0%A6%BE" title="কক্ষীয় উৎকেন্দ্রিকতা – bengali" lang="bn" hreflang="bn" data-title="কক্ষীয় উৎকেন্দ্রিকতা" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%AD%D0%BA%D1%81%D1%86%D1%8D%D0%BD%D1%82%D1%80%D1%8B%D1%81%D1%96%D1%82%D1%8D%D1%82_%D0%B0%D1%80%D0%B1%D1%96%D1%82%D1%8B" title="Эксцэнтрысітэт арбіты – belarusiska" lang="be" hreflang="be" data-title="Эксцэнтрысітэт арбіты" data-language-autonym="Беларуская" data-language-local-name="belarusiska" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%95%D0%BA%D1%81%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D1%86%D0%B8%D1%82%D0%B5%D1%82_(%D0%BE%D1%80%D0%B1%D0%B8%D1%82%D0%B0)" title="Ексцентрицитет (орбита) – bulgariska" lang="bg" hreflang="bg" data-title="Ексцентрицитет (орбита)" data-language-autonym="Български" data-language-local-name="bulgariska" 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/Excentricitat_orbital" title="Excentricitat orbital – katalanska" lang="ca" hreflang="ca" data-title="Excentricitat orbital" data-language-autonym="Català" data-language-local-name="katalanska" 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/Excentricita_dr%C3%A1hy" title="Excentricita dráhy – tjeckiska" lang="cs" hreflang="cs" data-title="Excentricita dráhy" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Excentricitet_(astronomi)" title="Excentricitet (astronomi) – danska" lang="da" hreflang="da" data-title="Excentricitet (astronomi)" data-language-autonym="Dansk" data-language-local-name="danska" 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/Exzentrizit%C3%A4t_(Astronomie)" title="Exzentrizität (Astronomie) – tyska" lang="de" hreflang="de" data-title="Exzentrizität (Astronomie)" data-language-autonym="Deutsch" data-language-local-name="tyska" 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/Orbiidi_ekstsentrilisus" title="Orbiidi ekstsentrilisus – estniska" lang="et" hreflang="et" data-title="Orbiidi ekstsentrilisus" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Orbital_eccentricity" title="Orbital eccentricity – engelska" lang="en" hreflang="en" data-title="Orbital eccentricity" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Excentricidad_orbital" title="Excentricidad orbital – spanska" lang="es" hreflang="es" data-title="Excentricidad orbital" data-language-autonym="Español" data-language-local-name="spanska" 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/Eszentrikotasun_orbital" title="Eszentrikotasun orbital – baskiska" lang="eu" hreflang="eu" data-title="Eszentrikotasun orbital" data-language-autonym="Euskara" data-language-local-name="baskiska" 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%AE%D8%B1%D9%88%D8%AC_%D8%A7%D8%B2_%D9%85%D8%B1%DA%A9%D8%B2_%D9%85%D8%AF%D8%A7%D8%B1%DB%8C" title="خروج از مرکز مداری – persiska" lang="fa" hreflang="fa" data-title="خروج از مرکز مداری" data-language-autonym="فارسی" data-language-local-name="persiska" 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/Excentricit%C3%A9_orbitale" title="Excentricité orbitale – franska" lang="fr" hreflang="fr" data-title="Excentricité orbitale" data-language-autonym="Français" data-language-local-name="franska" 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/%EA%B6%A4%EB%8F%84_%EC%9D%B4%EC%8B%AC%EB%A5%A0" title="궤도 이심률 – koreanska" lang="ko" hreflang="ko" data-title="궤도 이심률" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%95%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A5%80%E0%A4%AF_%E0%A4%B5%E0%A4%BF%E0%A4%95%E0%A5%87%E0%A4%A8%E0%A5%8D%E0%A4%A6%E0%A5%8D%E0%A4%B0%E0%A4%A4%E0%A4%BE" title="कक्षीय विकेन्द्रता – hindi" lang="hi" hreflang="hi" data-title="कक्षीय विकेन्द्रता" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Ekscentri%C4%8Dnost_orbite" title="Ekscentričnost orbite – kroatiska" lang="hr" hreflang="hr" data-title="Ekscentričnost orbite" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" 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/Eksentrisitas_orbit" title="Eksentrisitas orbit – indonesiska" lang="id" hreflang="id" data-title="Eksentrisitas orbit" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" 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/Eccentricit%C3%A0_orbitale" title="Eccentricità orbitale – italienska" lang="it" hreflang="it" data-title="Eccentricità orbitale" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%AD%D0%BA%D1%81%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D1%81%D0%B8%D1%82%D0%B5%D1%82" title="Эксцентриситет – kazakiska" lang="kk" hreflang="kk" data-title="Эксцентриситет" data-language-autonym="Қазақша" data-language-local-name="kazakiska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Orb%C4%ABtas_ekscentricit%C4%81te" title="Orbītas ekscentricitāte – lettiska" lang="lv" hreflang="lv" data-title="Orbītas ekscentricitāte" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Exzentrizit%C3%A9it_(Astronomie)" title="Exzentrizitéit (Astronomie) – luxemburgiska" lang="lb" hreflang="lb" data-title="Exzentrizitéit (Astronomie)" data-language-autonym="Lëtzebuergesch" data-language-local-name="luxemburgiska" 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/Excentricit%C3%A1s_(csillag%C3%A1szat)" title="Excentricitás (csillagászat) – ungerska" lang="hu" hreflang="hu" data-title="Excentricitás (csillagászat)" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9E%D1%80%D0%B1%D0%B8%D1%82%D0%B0%D0%BB%D0%BD%D0%BE_%D0%B7%D0%B0%D0%BD%D0%B5%D1%81%D1%83%D0%B2%D0%B0%D1%9A%D0%B5" title="Орбитално занесување – makedonska" lang="mk" hreflang="mk" data-title="Орбитално занесување" data-language-autonym="Македонски" data-language-local-name="makedonska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%89%E0%B5%BD%E0%B4%95%E0%B5%87%E0%B4%A8%E0%B5%8D%E0%B4%A6%E0%B5%8D%E0%B4%B0%E0%B4%A4_(%E0%B4%9C%E0%B5%8D%E0%B4%AF%E0%B5%8B%E0%B4%A4%E0%B4%BF%E0%B4%B6%E0%B4%BE%E0%B4%B8%E0%B5%8D%E0%B4%A4%E0%B5%8D%E0%B4%B0%E0%B4%82)" title="ഉൽകേന്ദ്രത (ജ്യോതിശാസ്ത്രം) – malayalam" lang="ml" hreflang="ml" data-title="ഉൽകേന്ദ്രത (ജ്യോതിശാസ്ത്രം)" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%95%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A5%80%E0%A4%AF_%E0%A4%B5%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%A4%E0%A4%BE_%E0%A4%A8%E0%A4%BF%E0%A4%B0%E0%A5%8D%E0%A4%A6%E0%A5%87%E0%A4%B6%E0%A4%BE%E0%A4%82%E0%A4%95" title="कक्षीय वक्रता निर्देशांक – marathi" lang="mr" hreflang="mr" data-title="कक्षीय वक्रता निर्देशांक" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kesipian_orbit" title="Kesipian orbit – malajiska" lang="ms" hreflang="ms" data-title="Kesipian orbit" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Excentriciteit_(astronomie)" title="Excentriciteit (astronomie) – nederländska" lang="nl" hreflang="nl" data-title="Excentriciteit (astronomie)" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%BB%8C%E9%81%93%E9%9B%A2%E5%BF%83%E7%8E%87" title="軌道離心率 – japanska" lang="ja" hreflang="ja" data-title="軌道離心率" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Baneeksentrisitet" title="Baneeksentrisitet – norskt bokmål" lang="nb" hreflang="nb" data-title="Baneeksentrisitet" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Eksentrisitet" title="Eksentrisitet – nynorska" lang="nn" hreflang="nn" data-title="Eksentrisitet" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Excentricitat_orbitala" title="Excentricitat orbitala – occitanska" lang="oc" hreflang="oc" data-title="Excentricitat orbitala" data-language-autonym="Occitan" data-language-local-name="occitanska" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ekscentryczno%C5%9B%C4%87_(fizyka)" title="Ekscentryczność (fizyka) – polska" lang="pl" hreflang="pl" data-title="Ekscentryczność (fizyka)" data-language-autonym="Polski" data-language-local-name="polska" 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/Excentricidade_orbital" title="Excentricidade orbital – portugisiska" lang="pt" hreflang="pt" data-title="Excentricidade orbital" data-language-autonym="Português" data-language-local-name="portugisiska" 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/Excentricitate_orbital%C4%83" title="Excentricitate orbitală – rumänska" lang="ro" hreflang="ro" data-title="Excentricitate orbitală" data-language-autonym="Română" data-language-local-name="rumänska" 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/%D0%AD%D0%BA%D1%81%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D1%81%D0%B8%D1%82%D0%B5%D1%82_%D0%BE%D1%80%D0%B1%D0%B8%D1%82%D1%8B" title="Эксцентриситет орбиты – ryska" lang="ru" hreflang="ru" data-title="Эксцентриситет орбиты" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B6%9A%E0%B7%8A%E0%B7%82%E0%B7%93%E0%B6%BA_%E0%B6%8B%E0%B6%AD%E0%B7%8A%E0%B6%9A%E0%B7%9A%E0%B6%B1%E0%B7%8A%E0%B6%AF%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B7%92%E0%B6%BA%E0%B6%AD%E0%B7%8F%E0%B7%80%E0%B6%BA" title="කක්ෂීය උත්කේන්ද්‍රියතාවය – singalesiska" lang="si" hreflang="si" data-title="කක්ෂීය උත්කේන්ද්‍රියතාවය" data-language-autonym="සිංහල" data-language-local-name="singalesiska" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Orbital_eccentricity" title="Orbital eccentricity – Simple English" lang="en-simple" hreflang="en-simple" data-title="Orbital eccentricity" 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/Excentricita_(astron%C3%B3mia)" title="Excentricita (astronómia) – slovakiska" lang="sk" hreflang="sk" data-title="Excentricita (astronómia)" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" 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/Izsrednost_tira" title="Izsrednost tira – slovenska" lang="sl" hreflang="sl" data-title="Izsrednost tira" data-language-autonym="Slovenščina" data-language-local-name="slovenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%95%D0%BA%D1%81%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D1%86%D0%B8%D1%82%D0%B5%D1%82_%D0%BE%D1%80%D0%B1%D0%B8%D1%82%D0%B5" title="Ексцентрицитет орбите – serbiska" lang="sr" hreflang="sr" data-title="Ексцентрицитет орбите" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Ekscentricitet_orbite" title="Ekscentricitet orbite – serbokroatiska" lang="sh" hreflang="sh" data-title="Ekscentricitet orbite" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/%C3%89ks%C3%A9ntrisitas_orbit" title="Ékséntrisitas orbit – sundanesiska" lang="su" hreflang="su" data-title="Ékséntrisitas orbit" data-language-autonym="Sunda" data-language-local-name="sundanesiska" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%81%E0%AE%B1%E0%AF%8D%E0%AE%B1%E0%AF%81%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AE%BE%E0%AE%A4%E0%AF%88%E0%AE%AF%E0%AE%BF%E0%AE%A9%E0%AF%8D_%E0%AE%B5%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%BF%E0%AE%B2%E0%AE%95%E0%AE%B2%E0%AF%8D" title="சுற்றுப்பாதையின் வட்டவிலகல் – tamil" lang="ta" hreflang="ta" data-title="சுற்றுப்பாதையின் வட்டவிலகல்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Annfal_amezzay" title="Annfal amezzay – kabyliska" lang="kab" hreflang="kab" data-title="Annfal amezzay" data-language-autonym="Taqbaylit" data-language-local-name="kabyliska" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a 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src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Kepler_orbits.svg/250px-Kepler_orbits.svg.png" decoding="async" width="250" height="304" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Kepler_orbits.svg/375px-Kepler_orbits.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Kepler_orbits.svg/500px-Kepler_orbits.svg.png 2x" data-file-width="494" data-file-height="600" /></a><figcaption><div> <table cellpadding="0" cellspacing="0"> <tbody><tr> <td valign="top"><span style="display:inline-block; width:1.5em; height:1.5em; margin:1px 2px 1px 0; border:1px solid black; background-color:red; color:black; font-size:100%; text-align:center;"> </span> </td> <td>En elliptisk Keplerbana med en excentricitet på 0,7. </td></tr></tbody></table> </div><div> <table cellpadding="0" cellspacing="0"> <tbody><tr> <td valign="top"><span style="display:inline-block; width:1.5em; height:1.5em; margin:1px 2px 1px 0; border:1px solid black; background-color:green; color:black; font-size:100%; text-align:center;"> </span> </td> <td>En parabolisk Keplerbana. </td></tr></tbody></table> </div><div> <table cellpadding="0" cellspacing="0"> <tbody><tr> <td valign="top"><span style="display:inline-block; width:1.5em; height:1.5em; margin:1px 2px 1px 0; border:1px solid black; background-color:blue; color:black; font-size:100%; text-align:center;"> </span> </td> <td>En hyperbolisk Keplerbana med en excentricitet på 1,3. </td></tr></tbody></table> </div></figcaption></figure> <p><b>Excentricitet</b> är en astronomisk term för en <a href="/wiki/Omloppsbana" title="Omloppsbana">omloppsbana</a> som avviker från en perfekt <a href="/wiki/Cirkel" title="Cirkel">cirkel</a>, där 0 innebär att banan är helt cirkulär och 1,0 innebär en <a href="/wiki/Parabel_(kurva)" title="Parabel (kurva)">parabel</a> som inte längre är en sluten omloppsbana. För värden större än 1 är banan hyperbolisk.<sup id="cite_ref-NE_1-0" class="reference"><a href="#cite_note-NE-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> Normalt används termen för det isolerade <a href="/wiki/Tv%C3%A5kropparsproblemet" title="Tvåkropparsproblemet">tvåkropparsproblemet</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Definition">Definition</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Excentricitet_(astronomi)&veaction=edit&section=1" title="Redigera avsnitt: Definition" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Excentricitet_(astronomi)&action=edit&section=1" title="Redigera avsnitts källkod: Definition"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>För tvåkropparsproblemet, där dragningskraften som avtar med kvadraten på avståndet, är varje omloppsbana en <a href="/wiki/Keplers_lagar" title="Keplers lagar">Keplerbana</a>. <a href="/wiki/Excentricitet" title="Excentricitet">Excentriciteten</a> för denna Keplerbana är ett icke-negativt tal som bestämmer dess form. </p><p>Excentriciteten kan anta följande värden: </p> <ul><li><a href="/w/index.php?title=Cirkul%C3%A4r_bana&action=edit&redlink=1" class="new" title="Cirkulär bana [inte skriven än]">Cirkulär bana</a>: <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 e=0\,\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>e</mi> <mo>=</mo> <mn>0</mn> <mspace width="thinmathspace" /> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle e=0\,\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3d7365e239fbce1668637d0a1a986dc412f52a6e" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.387ex; width:5.732ex; height:2.176ex;" alt="{\displaystyle e=0\,\!}"></span></li> <li><a href="/w/index.php?title=Elliptisk_bana&action=edit&redlink=1" class="new" title="Elliptisk bana [inte skriven än]">Elliptisk bana</a>: <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 0<e<1\,\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mn>0</mn> <mo><</mo> <mi>e</mi> <mo><</mo> <mn>1</mn> <mspace width="thinmathspace" /> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle 0<e<1\,\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f11775a0a991b6f5305450ffa7a02723324e4cf2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.387ex; width:9.992ex; height:2.176ex;" alt="{\displaystyle 0<e<1\,\!}"></span> (se <a href="/wiki/Ellips_(matematik)" title="Ellips (matematik)">Ellips</a>)</li> <li><a href="/w/index.php?title=Parabolisk_bana&action=edit&redlink=1" class="new" title="Parabolisk bana [inte skriven än]">Parabolisk bana</a>: <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 e=1\,\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>e</mi> <mo>=</mo> <mn>1</mn> <mspace width="thinmathspace" /> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle e=1\,\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2f702d73cff396972e818bcefc3bcaccc598b445" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.387ex; width:5.732ex; height:2.176ex;" alt="{\displaystyle e=1\,\!}"></span> (se <a href="/wiki/Parabel_(kurva)" title="Parabel (kurva)">Parabel</a>)</li> <li><a href="/w/index.php?title=Hyperbolisk_bana&action=edit&redlink=1" class="new" title="Hyperbolisk bana [inte skriven än]">Hyperbolisk bana</a>: <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 e>1\,\!}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>e</mi> <mo>></mo> <mn>1</mn> <mspace width="thinmathspace" /> <mspace width="negativethinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle e>1\,\!}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6af79958d2c157adb1c10a9e3d703a937d6fbc65" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; margin-right: -0.387ex; width:5.732ex; height:2.176ex;" alt="{\displaystyle e>1\,\!}"></span> (se <a href="/wiki/Hyperbel" title="Hyperbel">Hyperbel</a>)</li></ul> <div class="mw-heading mw-heading2"><h2 id="Några_exempel"><span id="N.C3.A5gra_exempel"></span>Några exempel</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Excentricitet_(astronomi)&veaction=edit&section=2" title="Redigera avsnitt: Några exempel" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Excentricitet_(astronomi)&action=edit&section=2" title="Redigera avsnitts källkod: Några exempel"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>En elliptisk banas excentricitet kan användas för att beräkna förhållandet mellan <a href="/wiki/Apoapsis" class="mw-redirect" title="Apoapsis">apoapsis</a> och <a href="/wiki/Periapsis" class="mw-redirect" title="Periapsis">periapsis</a>: </p> <dl><dd><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_{\text{a}}} \over {r_{\text{p}}}}={{1+e} \over {1-e}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mtext>a</mtext> </mrow> </msub> </mrow> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi>r</mi> <mrow class="MJX-TeXAtom-ORD"> <mtext>p</mtext> </mrow> </msub> </mrow> </mfrac> </mrow> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> <mo>+</mo> <mi>e</mi> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> <mo>−</mo> <mi>e</mi> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {{r_{\text{a}}} \over {r_{\text{p}}}}={{1+e} \over {1-e}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c42b0cd656181775c20a14a8aedd1594a4712a34" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.505ex; width:12.052ex; height:5.843ex;" alt="{\displaystyle {{r_{\text{a}}} \over {r_{\text{p}}}}={{1+e} \over {1-e}}}"></span></dd></dl> <p>För jordens bana runt solen är excentriciteten ≈ 0,0167<sup id="cite_ref-earthfact_2-0" class="reference"><a href="#cite_note-earthfact-2"><span class="cite-reference-link-bracket">[</span>2<span class="cite-reference-link-bracket">]</span></a></sup> och förhållandet mellan <a href="/wiki/Aphelium" title="Aphelium">aphelium</a> och <a href="/wiki/Perihelium" title="Perihelium">perihelium</a> blir alltså ≈ 1,034. </p><p>Månen <a href="/wiki/Nereid" title="Nereid">Nereid</a> rör sig runt planeten <a href="/wiki/Neptunus" title="Neptunus">Neptunus</a> i en för månar ovanligt långsträckt ellipsbana och har excentriciteten 0,75.<sup id="cite_ref-NE_1-1" class="reference"><a href="#cite_note-NE-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p><p>Småplaneten <a href="/wiki/Pluto" title="Pluto">Pluto</a> rör sig i en bana med excentriciteten 0,25 och kommer därför delar av sin omloppstid att befinna sig innanför Neptunus bana.<sup id="cite_ref-NE_1-2" class="reference"><a href="#cite_note-NE-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Referenser">Referenser</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Excentricitet_(astronomi)&veaction=edit&section=3" title="Redigera avsnitt: Referenser" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Excentricitet_(astronomi)&action=edit&section=3" title="Redigera avsnitts källkod: Referenser"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-NE-1">^ [<a href="#cite_ref-NE_1-0"><small>a</small></a> <a href="#cite_ref-NE_1-1"><small>b</small></a> <a href="#cite_ref-NE_1-2"><small>c</small></a>] <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/excentricitet">”excentricitet”</a>. <i><span>ne.se</span></i>. Nationalencyklopedin<span class="printonly">. <a rel="nofollow" class="external free" href="https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/excentricitet">https://www.ne.se/uppslagsverk/encyklopedi/l%C3%A5ng/excentricitet</a></span><span class="reference-accessdate">. Läst 13 augusti 2020</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=excentricitet&rft.atitle=ne.se&rft.pub=Nationalencyklopedin&rft_id=https%3A%2F%2Fwww.ne.se%2Fuppslagsverk%2Fencyklopedi%2Fl%25C3%25A5ng%2Fexcentricitet&rfr_id=info:sid/en.wikipedia.org:Excentricitet_(astronomi)"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-earthfact-2"><a href="#cite_ref-earthfact_2-0">^</a> <span class="reference-text"><cite style="font-style:normal" class="web" id="CITEREFWilliams">Williams, D. R.. <a rel="nofollow" class="external text" href="https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html">”Earth Fact Sheet”</a>. <a href="/wiki/Nasa" class="mw-redirect" title="Nasa">Nasa</a><span class="printonly">. <a rel="nofollow" class="external free" href="https://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html">http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html</a></span><span class="reference-accessdate">. Läst 4 juli 2018</span>.</cite><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Earth+Fact+Sheet&rft.atitle=&rft.aulast=Williams&rft.aufirst=D.+R.&rft.au=Williams%2C+D.+R.&rft.pub=%5B%5BNasa%5D%5D&rft_id=http%3A%2F%2Fnssdc.gsfc.nasa.gov%2Fplanetary%2Ffactsheet%2Fearthfact.html&rfr_id=info:sid/en.wikipedia.org:Excentricitet_(astronomi)"><span style="display: none;"> </span></span></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Externa_länkar"><span id="Externa_l.C3.A4nkar"></span>Externa länkar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Excentricitet_(astronomi)&veaction=edit&section=4" title="Redigera avsnitt: Externa länkar" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Excentricitet_(astronomi)&action=edit&section=4" title="Redigera avsnitts källkod: Externa länkar"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://scienceworld.wolfram.com/physics/Eccentricity.html">World of Physics: Eccentricity</a></li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20170424171326/http://www.walter-fendt.de/ph14e/keplerlaw2.htm">Simulering av Keplers andra lag</a></li></ul> <style data-mw-deduplicate="TemplateStyles:r56287950">.mw-parser-output table.navbox{border:#aaa 1px solid;width:100%;margin:auto;margin-top:1em;clear:both;font-size:88%;text-align:center;padding:1px}.mw-parser-output link+table.navbox{margin-top:-1px}.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow,.mw-parser-output table.navbox th{text-align:center;padding-left:1em;padding-right:1em}.mw-parser-output .navbox-thlinkcolor .navbox-title button,.mw-parser-output .navbox-thlinkcolor .navbox-title 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expanded" style="width:100%;border-spacing:0;background:transparent;color:inherit;;"><tbody><tr><th style=";" colspan="2" class="navbox-title"><div style="float:left; width:3em;text-align:left;"><div class="noprint plainlinks" style="background-color:transparent; padding:0; white-space:nowrap; font-weight:normal; font-size:80%; border:none;; color: inherit;"><a href="/wiki/Mall:Omloppsbana" title="Mall:Omloppsbana"><span title="Visa denna mall" style="border:none;;">v</span></a> <span style="font-size:80%;">•</span> <a class="external text" href="https://sv.wikipedia.org/w/index.php?title=Mall:Omloppsbana&action=edit"><span style="border:none;;" title="Redigera den här mallen">r</span></a></div></div><span style="font-size:110%;"><a href="/wiki/Gravitation" title="Gravitation">Gravitation</a> <a href="/wiki/Omloppsbana" title="Omloppsbana">omloppsbana</a></span></th></tr><tr style="height:2px;"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Omloppsbana" title="Omloppsbana">Typer</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950"></div><table class="navbox-subgroup" style="width:100%;border-spacing:0;;;;"><tbody><tr><td class="navbox-group" style=";;">Generell</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <a href="/wiki/Begravningsbana" title="Begravningsbana">Begravnings</a> <b>•</b> <a href="/wiki/Hohmannbana" title="Hohmannbana">Hohmann</a> <b>•</b> <a href="/wiki/H%C3%A4stskobana" title="Hästskobana">Hästsko</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Omloppsbana" title="Omloppsbana">Geocentrisk</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <a href="/wiki/Geostation%C3%A4r_omloppsbana" title="Geostationär omloppsbana">Geostationär</a> <b>•</b> <a href="/wiki/H%C3%B6g_omloppsbana" title="Hög omloppsbana">Hög</a> <b>•</b> <a href="/wiki/L%C3%A5g_omloppsbana" title="Låg omloppsbana">Låg</a> <b>•</b> <a href="/wiki/Medelh%C3%B6g_omloppsbana" title="Medelhög omloppsbana">Medelhög</a> <b>•</b> <a href="/wiki/Molnijabana" title="Molnijabana">Molnija</a> <b>•</b> <a href="/wiki/M%C3%A5nvarv" title="Månvarv">Månvarv</a> <b>•</b> <a href="/wiki/Pol%C3%A4r_bana" title="Polär bana">Polär</a> <b>•</b> <a href="/wiki/Solsynkron_bana" title="Solsynkron bana">Solsynkron</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Om andra punkter</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <a href="/wiki/Heliocentrisk_bana" title="Heliocentrisk bana">Heliocentrisk</a> <b>•</b> <a href="/wiki/Solsynkron_bana" title="Solsynkron bana">Solsynkron</a></div></td></tr></tbody></table><div></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Banelement" title="Banelement">Banelement</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r56287950"></div><table class="navbox-subgroup" style="width:100%;border-spacing:0;;;;"><tbody><tr><td class="navbox-group" style=";;">Form <b>•</b> storlek</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <span class="texhtml mvar" style="font-style:italic;">e</span>  <a class="mw-selflink selflink">Excentricitet </a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">a</span>  <a href="/wiki/Halv_storaxel" title="Halv storaxel">Ellips</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">b</span>  <a href="/wiki/Halv_storaxel" title="Halv storaxel">Hyperbel</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">Q</span>, <span class="texhtml mvar" style="font-style:italic;">q</span>  <a href="/wiki/Apsis" title="Apsis">Apsis</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Orientering</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <span class="texhtml mvar" style="font-style:italic;">i</span>  <a href="/wiki/Banlutning" title="Banlutning">Banlutning</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">Ω</span>  <a href="/w/index.php?title=Longitud_hos_uppstigande_nod&action=edit&redlink=1" class="new" title="Longitud hos uppstigande nod [inte skriven än]">Longitud hos uppstigande nod</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">ω</span>  <a href="/wiki/Periapsisargument" title="Periapsisargument">Periapsisargument</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">ϖ</span>  <a href="/wiki/Periapsislongitud" title="Periapsislongitud">Periapsislongitud</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Position</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <span class="texhtml mvar" style="font-style:italic;">M</span>  <a href="/wiki/Medelanomali" title="Medelanomali">Medelanomali</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">ν</span>, <span class="texhtml mvar" style="font-style:italic;">θ</span>, <span class="texhtml mvar" style="font-style:italic;">f</span>  <a href="/wiki/Sann_anomali" title="Sann anomali">Sann anomali</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">E</span>  <a href="/wiki/Excentrisk_anomali" title="Excentrisk anomali">Excentrisk anomali</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">L</span>  <a href="/w/index.php?title=Medellongitud&action=edit&redlink=1" class="new" title="Medellongitud [inte skriven än]">Medellongitud</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">l</span>  <a href="/w/index.php?title=Sann_longitud&action=edit&redlink=1" class="new" title="Sann longitud [inte skriven än]">Sann longitud</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Variation</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <span class="texhtml mvar" style="font-style:italic;">T</span>  <a href="/wiki/Siderisk_omloppstid" title="Siderisk omloppstid">Siderisk omloppstid</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">n</span>  <a href="/w/index.php?title=Genomsnittlig_r%C3%B6relse&action=edit&redlink=1" class="new" title="Genomsnittlig rörelse [inte skriven än]">Genomsnittlig rörelse</a> <b>•</b> <span class="texhtml mvar" style="font-style:italic;">v</span>  <a href="/wiki/Omloppshastighet" title="Omloppshastighet">Omloppshastighet</a> <b>•</b> <span style="white-space: nowrap; font-family: times, serif, palatino linotype, new athena unicode, athena, gentium, code2000; font-size: 120%;"><i>t</i><sub>0</sub></span>  <a href="/wiki/Epok_(astronomi)" title="Epok (astronomi)">Epok</a></div></td></tr></tbody></table><div></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;">Manövrar</td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <a href="/wiki/Gravitationsslunga" title="Gravitationsslunga">Gravitationsslunga</a> <b>•</b> <a href="/wiki/Hohmannbana" title="Hohmannbana">Hohmannbana</a> <b>•</b> <a href="/wiki/Rymdm%C3%B6te" title="Rymdmöte">Rymdmöte</a> <b>•</b> <a href="/wiki/Tsiolkovskijs_raketekvation" title="Tsiolkovskijs raketekvation">Tsiolkovskijs raketekvation</a></div></td></tr><tr style="height:2px"><td></td></tr><tr><td class="navbox-group" style=";;"><a href="/wiki/Celest_mekanik" title="Celest mekanik">Celest mekanik</a></td><td style="text-align:left;border-left:2px solid #fdfdfd;width:100%;padding:0px;;;" class="navbox-list navbox-"><div style="padding:0em 0.25em"><b>•</b> <a href="/wiki/Astronomiska_koordinatsystem" title="Astronomiska koordinatsystem">Astronomiska koordinatsystem</a> <b>•</b> <a href="/wiki/Efemerid" title="Efemerid">Efemerid</a> <b>•</b> <a href="/wiki/Ekliptiska_koordinater" title="Ekliptiska koordinater">Ekliptiskt koordinatsystem</a> <b>•</b> <a href="/wiki/Ekvatoriellt_koordinatsystem" title="Ekvatoriellt koordinatsystem">Ekvatoriellt koordinatsystem</a> <b>•</b> <a href="/wiki/Flykthastighet" title="Flykthastighet">Flykthastighet</a> <b>•</b> <a href="/wiki/Hillsf%C3%A4r" title="Hillsfär">Hillsfär</a> <b>•</b> <a href="/wiki/Keplers_lagar" title="Keplers lagar">Keplers lagar</a> <b>•</b> <a href="/wiki/Lagrangepunkt" title="Lagrangepunkt">Lagrangepunkt</a> <b>•</b> <a href="/wiki/Perturbation_(astronomi)" title="Perturbation (astronomi)">Perturbation</a> <b>•</b> <a href="/wiki/Retrograd_r%C3%B6relse" title="Retrograd rörelse">Retrograd rörelse</a></div></td></tr></tbody></table></td></tr></tbody></table>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Hämtad från ”<a dir="ltr" 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