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class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%AE%A8%E8%AE%BA%E9%A1%B5" title="对于来自此IP地址编辑的讨论[n]" accesskey="n"><span>讨论</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="站点"> <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="目录" 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">目录</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至侧栏</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隐藏</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">序言</div> </a> </li> <li id="toc-相關條目" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#相關條目"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>相關條目</span> </div> </a> <ul id="toc-相關條目-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-參考資料" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#參考資料"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>參考資料</span> </div> </a> <ul id="toc-參考資料-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-外部連結" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#外部連結"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>外部連結</span> </div> </a> <ul id="toc-外部連結-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="目录" 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="开关目录" > <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">开关目录</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">曆元</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="前往另一种语言写成的文章。55种语言可用" > <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-55" 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">55种语言</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/Epog_(sterrekunde)" title="Epog (sterrekunde) – 南非荷兰语" lang="af" hreflang="af" data-title="Epog (sterrekunde)" data-language-autonym="Afrikaans" data-language-local-name="南非荷兰语" 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%AD%D9%82%D8%A8%D8%A9_(%D8%B9%D9%84%D9%85_%D8%A7%D9%84%D9%81%D9%84%D9%83)" title="حقبة (علم الفلك) – 阿拉伯语" lang="ar" hreflang="ar" data-title="حقبة (علم الفلك)" data-language-autonym="العربية" data-language-local-name="阿拉伯语" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/D%C3%B3mina_(astronom%C3%ADa)" title="Dómina (astronomía) – 阿斯图里亚斯语" lang="ast" hreflang="ast" data-title="Dómina (astronomía)" data-language-autonym="Asturianu" data-language-local-name="阿斯图里亚斯语" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%AD%D0%BF%D0%BE%D1%85%D0%B0_(%D0%B0%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%BE%D0%BC%D1%96%D1%8F)" title="Эпоха (астраномія) – 白俄罗斯语" lang="be" hreflang="be" data-title="Эпоха (астраномія)" data-language-autonym="Беларуская" data-language-local-name="白俄罗斯语" 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/%D0%AD%D0%BF%D0%BE%D1%85%D0%B0_(%D0%B0%D1%81%D1%82%D1%80%D0%B0%D0%BD%D0%BE%D0%BC%D1%96%D1%8F)" title="Эпоха (астраномія) – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Эпоха (астраномія)" 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/%D0%95%D0%BF%D0%BE%D1%85%D0%B0_(%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%8F)" title="Епоха (астрономия) – 保加利亚语" lang="bg" hreflang="bg" data-title="Епоха (астрономия)" data-language-autonym="Български" data-language-local-name="保加利亚语" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%B8%E0%A6%99%E0%A7%8D%E0%A6%97%E0%A6%A4%E0%A6%BF%E0%A6%A5%E0%A6%BF_(%E0%A6%9C%E0%A7%8D%E0%A6%AF%E0%A7%8B%E0%A6%A4%E0%A6%BF%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%BF%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A8)" title="প্রসঙ্গতিথি (জ্যোতির্বিজ্ঞান) – 孟加拉语" lang="bn" hreflang="bn" data-title="প্রসঙ্গতিথি (জ্যোতির্বিজ্ঞান)" data-language-autonym="বাংলা" data-language-local-name="孟加拉语" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Epoha_(astronomija)" title="Epoha (astronomija) – 波斯尼亚语" lang="bs" hreflang="bs" data-title="Epoha (astronomija)" data-language-autonym="Bosanski" data-language-local-name="波斯尼亚语" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/%C3%88poca_(astronomia)" title="Època (astronomia) – 加泰罗尼亚语" lang="ca" hreflang="ca" data-title="Època (astronomia)" data-language-autonym="Català" data-language-local-name="加泰罗尼亚语" 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/Ekvinokcium" title="Ekvinokcium – 捷克语" lang="cs" hreflang="cs" data-title="Ekvinokcium" data-language-autonym="Čeština" data-language-local-name="捷克语" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Epoche_(Astronomie)" title="Epoche (Astronomie) – 德语" lang="de" hreflang="de" data-title="Epoche (Astronomie)" data-language-autonym="Deutsch" data-language-local-name="德语" 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/%CE%95%CF%80%CE%BF%CF%87%CE%AE_(%CE%B1%CF%83%CF%84%CF%81%CE%BF%CE%BD%CE%BF%CE%BC%CE%AF%CE%B1)" title="Εποχή (αστρονομία) – 希腊语" lang="el" hreflang="el" data-title="Εποχή (αστρονομία)" data-language-autonym="Ελληνικά" data-language-local-name="希腊语" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Epoch_(astronomy)" title="Epoch (astronomy) – 英语" lang="en" hreflang="en" data-title="Epoch (astronomy)" data-language-autonym="English" data-language-local-name="英语" 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/Epoko_(astronomio)" title="Epoko (astronomio) – 世界语" lang="eo" hreflang="eo" data-title="Epoko (astronomio)" data-language-autonym="Esperanto" data-language-local-name="世界语" 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/%C3%89poca_(astronom%C3%ADa)" title="Época (astronomía) – 西班牙语" lang="es" hreflang="es" data-title="Época (astronomía)" data-language-autonym="Español" data-language-local-name="西班牙语" 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/Garai_(astronomia)" title="Garai (astronomia) – 巴斯克语" lang="eu" hreflang="eu" data-title="Garai (astronomia)" data-language-autonym="Euskara" data-language-local-name="巴斯克语" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D8%A8%D8%AF%D8%A3_(%D8%A7%D8%AE%D8%AA%D8%B1%D8%B4%D9%86%D8%A7%D8%B3%DB%8C)" title="مبدأ (اخترشناسی) – 波斯语" lang="fa" hreflang="fa" data-title="مبدأ (اخترشناسی)" data-language-autonym="فارسی" data-language-local-name="波斯语" 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/Epookki_(t%C3%A4htitiede)" title="Epookki (tähtitiede) – 芬兰语" lang="fi" hreflang="fi" data-title="Epookki (tähtitiede)" data-language-autonym="Suomi" data-language-local-name="芬兰语" 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/%C3%89poque_(astronomie)" title="Époque (astronomie) – 法语" lang="fr" hreflang="fr" data-title="Époque (astronomie)" data-language-autonym="Français" data-language-local-name="法语" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/%C3%89poca_(astronom%C3%ADa)" title="Época (astronomía) – 加利西亚语" lang="gl" hreflang="gl" data-title="Época (astronomía)" data-language-autonym="Galego" data-language-local-name="加利西亚语" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%AA%D7%A7%D7%95%D7%A4%D7%AA_%D7%99%D7%99%D7%97%D7%95%D7%A1_(%D7%90%D7%A1%D7%98%D7%A8%D7%95%D7%A0%D7%95%D7%9E%D7%99%D7%94)" title="תקופת ייחוס (אסטרונומיה) – 希伯来语" lang="he" hreflang="he" data-title="תקופת ייחוס (אסטרונומיה)" data-language-autonym="עברית" data-language-local-name="希伯来语" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AF%E0%A5%81%E0%A4%97%E0%A4%BE%E0%A4%B0%E0%A4%AE%E0%A5%8D%E0%A4%AD_(%E0%A4%96%E0%A4%97%E0%A5%8B%E0%A4%B2%E0%A4%B6%E0%A4%BE%E0%A4%B8%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%B0)" title="युगारम्भ (खगोलशास्त्र) – 印地语" lang="hi" hreflang="hi" data-title="युगारम्भ (खगोलशास्त्र)" data-language-autonym="हिन्दी" data-language-local-name="印地语" 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/Epoha_(astronomija)" title="Epoha (astronomija) – 克罗地亚语" lang="hr" hreflang="hr" data-title="Epoha (astronomija)" data-language-autonym="Hrvatski" data-language-local-name="克罗地亚语" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B7%D5%BA%D5%B8%D5%AD%D5%A1_(%D5%A1%D5%BD%D5%BF%D5%B2%D5%A1%D5%A3%D5%AB%D5%BF%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6)" title="Էպոխա (աստղագիտություն) – 亚美尼亚语" lang="hy" hreflang="hy" data-title="Էպոխա (աստղագիտություն)" data-language-autonym="Հայերեն" data-language-local-name="亚美尼亚语" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Epos_(astronomi)" title="Epos (astronomi) – 印度尼西亚语" lang="id" hreflang="id" data-title="Epos (astronomi)" data-language-autonym="Bahasa Indonesia" data-language-local-name="印度尼西亚语" 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/Epoca_(astronomia)" title="Epoca (astronomia) – 意大利语" lang="it" hreflang="it" data-title="Epoca (astronomia)" data-language-autonym="Italiano" data-language-local-name="意大利语" 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/%E5%85%83%E6%9C%9F" title="元期 – 日语" lang="ja" hreflang="ja" data-title="元期" data-language-autonym="日本語" data-language-local-name="日语" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%94%E1%83%9E%E1%83%9D%E1%83%A5%E1%83%90_(%E1%83%90%E1%83%A1%E1%83%A2%E1%83%A0%E1%83%9D%E1%83%9C%E1%83%9D%E1%83%9B%E1%83%98%E1%83%90)" title="ეპოქა (ასტრონომია) – 格鲁吉亚语" lang="ka" hreflang="ka" data-title="ეპოქა (ასტრონომია)" data-language-autonym="ქართული" data-language-local-name="格鲁吉亚语" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%97%AD%EA%B8%B0%EC%A0%90" title="역기점 – 韩语" lang="ko" hreflang="ko" data-title="역기점" data-language-autonym="한국어" data-language-local-name="韩语" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Epocha_(astronomia)" title="Epocha (astronomia) – 拉丁语" lang="la" hreflang="la" data-title="Epocha (astronomia)" data-language-autonym="Latina" data-language-local-name="拉丁语" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Epoch_(Astronomie)" title="Epoch (Astronomie) – 卢森堡语" lang="lb" hreflang="lb" data-title="Epoch (Astronomie)" data-language-autonym="Lëtzebuergesch" data-language-local-name="卢森堡语" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Epocha_(astronomija)" title="Epocha (astronomija) – 立陶宛语" lang="lt" hreflang="lt" data-title="Epocha (astronomija)" data-language-autonym="Lietuvių" data-language-local-name="立陶宛语" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%95%D0%BF%D0%BE%D1%85%D0%B0_(%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%98%D0%B0)" title="Епоха (астрономија) – 马其顿语" lang="mk" hreflang="mk" data-title="Епоха (астрономија)" data-language-autonym="Македонски" data-language-local-name="马其顿语" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%AF%E0%A5%81%E0%A4%97_(%E0%A4%96%E0%A4%97%E0%A5%8B%E0%A4%B2%E0%A4%B6%E0%A4%BE%E0%A4%B8%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%B0)" title="युग (खगोलशास्त्र) – 马拉地语" lang="mr" hreflang="mr" data-title="युग (खगोलशास्त्र)" data-language-autonym="मराठी" data-language-local-name="马拉地语" 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/Epok_(astronomi)" title="Epok (astronomi) – 马来语" lang="ms" hreflang="ms" data-title="Epok (astronomi)" data-language-autonym="Bahasa Melayu" data-language-local-name="马来语" 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/Epoche_(astronomie)" title="Epoche (astronomie) – 荷兰语" lang="nl" hreflang="nl" data-title="Epoche (astronomie)" data-language-autonym="Nederlands" data-language-local-name="荷兰语" 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/Astronomisk_epoke" title="Astronomisk epoke – 挪威尼诺斯克语" lang="nn" hreflang="nn" data-title="Astronomisk epoke" data-language-autonym="Norsk nynorsk" data-language-local-name="挪威尼诺斯克语" 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/Epoke_(astronomi)" title="Epoke (astronomi) – 书面挪威语" lang="nb" hreflang="nb" data-title="Epoke (astronomi)" data-language-autonym="Norsk bokmål" data-language-local-name="书面挪威语" 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/Epoka_(astronomia)" title="Epoka (astronomia) – 波兰语" lang="pl" hreflang="pl" data-title="Epoka (astronomia)" data-language-autonym="Polski" data-language-local-name="波兰语" 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/%C3%89poca_(astronomia)" title="Época (astronomia) – 葡萄牙语" lang="pt" hreflang="pt" data-title="Época (astronomia)" data-language-autonym="Português" data-language-local-name="葡萄牙语" 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/Epoc%C4%83_(astronomie)" title="Epocă (astronomie) – 罗马尼亚语" lang="ro" hreflang="ro" data-title="Epocă (astronomie)" data-language-autonym="Română" data-language-local-name="罗马尼亚语" 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%BF%D0%BE%D1%85%D0%B0_(%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%8F)" title="Эпоха (астрономия) – 俄语" lang="ru" hreflang="ru" data-title="Эпоха (астрономия)" data-language-autonym="Русский" data-language-local-name="俄语" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Epoha_(astronomija)" title="Epoha (astronomija) – 塞尔维亚-克罗地亚语" lang="sh" hreflang="sh" data-title="Epoha (astronomija)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="塞尔维亚-克罗地亚语" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Epoch_(astronomy)" title="Epoch (astronomy) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Epoch (astronomy)" 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/Epocha_(astron%C3%B3mia)" title="Epocha (astronómia) – 斯洛伐克语" lang="sk" hreflang="sk" data-title="Epocha (astronómia)" data-language-autonym="Slovenčina" data-language-local-name="斯洛伐克语" 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/Epoha_(astronomija)" title="Epoha (astronomija) – 斯洛文尼亚语" lang="sl" hreflang="sl" data-title="Epoha (astronomija)" data-language-autonym="Slovenščina" data-language-local-name="斯洛文尼亚语" 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%BF%D0%BE%D1%85%D0%B0_(%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D0%B8%D1%98%D0%B0)" title="Епоха (астрономија) – 塞尔维亚语" lang="sr" hreflang="sr" data-title="Епоха (астрономија)" data-language-autonym="Српски / srpski" data-language-local-name="塞尔维亚语" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Epok_(astronomi)" title="Epok (astronomi) – 瑞典语" lang="sv" hreflang="sv" data-title="Epok (astronomi)" data-language-autonym="Svenska" data-language-local-name="瑞典语" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Epoka_(astr%C5%8Dn%C5%8Dmij%C5%8F)" title="Epoka (astrōnōmijŏ) – 西里西亚语" lang="szl" hreflang="szl" data-title="Epoka (astrōnōmijŏ)" data-language-autonym="Ślůnski" data-language-local-name="西里西亚语" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%95%E0%B9%89%E0%B8%99%E0%B8%A2%E0%B8%B8%E0%B8%84%E0%B8%AD%E0%B9%89%E0%B8%B2%E0%B8%87%E0%B8%AD%E0%B8%B4%E0%B8%87_(%E0%B8%94%E0%B8%B2%E0%B8%A3%E0%B8%B2%E0%B8%A8%E0%B8%B2%E0%B8%AA%E0%B8%95%E0%B8%A3%E0%B9%8C)" title="ต้นยุคอ้างอิง (ดาราศาสตร์) – 泰语" lang="th" hreflang="th" data-title="ต้นยุคอ้างอิง (ดาราศาสตร์)" data-language-autonym="ไทย" data-language-local-name="泰语" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Devir_(astronomi)" title="Devir (astronomi) – 土耳其语" lang="tr" hreflang="tr" data-title="Devir (astronomi)" data-language-autonym="Türkçe" data-language-local-name="土耳其语" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%95%D0%BF%D0%BE%D1%85%D0%B0_(%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%BD%D0%BE%D0%BC%D1%96%D1%8F)" title="Епоха (астрономія) – 乌克兰语" lang="uk" hreflang="uk" data-title="Епоха (астрономія)" data-language-autonym="Українська" data-language-local-name="乌克兰语" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Davr_(astronomiya)" title="Davr (astronomiya) – 乌兹别克语" lang="uz" hreflang="uz" data-title="Davr (astronomiya)" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="乌兹别克语" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/K%E1%BB%B7_nguy%C3%AAn_(thi%C3%AAn_v%C4%83n_h%E1%BB%8Dc)" title="Kỷ nguyên (thiên văn học) – 越南语" lang="vi" hreflang="vi" data-title="Kỷ nguyên (thiên văn học)" data-language-autonym="Tiếng Việt" data-language-local-name="越南语" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%9B%86%E5%85%83" title="曆元 – 粤语" lang="yue" hreflang="yue" data-title="曆元" data-language-autonym="粵語" data-language-local-name="粤语" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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.ambox-move{border-left-color:#9932cc!important}html.skin-theme-clientpref-os .mw-parser-output .ambox-protection{border-left-color:#a2a9b1!important}}</style><table class="box-Refimprove plainlinks metadata ambox ambox-content" role="presentation"><tbody><tr><td class="mbox-image"><div style="width:52px"><span typeof="mw:File"><a href="/wiki/File:Tango-nosources.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Tango-nosources.svg/45px-Tango-nosources.svg.png" decoding="async" width="45" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Tango-nosources.svg/68px-Tango-nosources.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Tango-nosources.svg/90px-Tango-nosources.svg.png 2x" data-file-width="48" data-file-height="48" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">此條目<b>需要补充更多<a href="/wiki/Wikipedia:%E5%88%97%E6%98%8E%E6%9D%A5%E6%BA%90" title="Wikipedia:列明来源">来源</a></b>。<span class="hide-when-compact"></span> <small class="date-container"><i>(<span class="date">2019年8月24日</span>)</i></small><span class="hide-when-compact"><br /><small>请协助補充多方面<a href="/wiki/Wikipedia:%E5%8F%AF%E9%9D%A0%E6%9D%A5%E6%BA%90" title="Wikipedia:可靠来源">可靠来源</a>以<a class="external text" href="https://zh.wikipedia.org/w/index.php?title=%E6%9B%86%E5%85%83&action=edit">改善这篇条目</a>，<a href="/wiki/Wikipedia:%E5%8F%AF%E4%BE%9B%E6%9F%A5%E8%AF%81" class="mw-redirect" title="Wikipedia:可供查证">无法查证</a>的内容可能會因為<a href="/wiki/Template:Fact" class="mw-redirect" title="Template:Fact">异议提出</a>而被移除。<br />致使用者：请搜索一下条目的标题（来源搜索：<span class="plainlinks"><a rel="nofollow" class="external text" href="//www.google.com/search?&as_eq=wikipedia&q=%22%E6%9B%86%E5%85%83%22">"曆元"</a> — <a rel="nofollow" class="external text" href="//www.google.com/search?q=%22%E6%9B%86%E5%85%83%22">网页</a>、<a rel="nofollow" class="external text" href="//www.google.com/search?tbm=nws&q=&as_src=-newswire+-wire+-presswire+-PR+-press+-release+-wikipedia&q=%22%E6%9B%86%E5%85%83%22">新闻</a>、<a rel="nofollow" class="external text" href="//books.google.com/books?&as_brr=0&as_pub=-icon&q=%22%E6%9B%86%E5%85%83%22">书籍</a>、<a rel="nofollow" class="external text" href="//scholar.google.com/scholar?&q=%22%E6%9B%86%E5%85%83%22">学术</a>、<a rel="nofollow" class="external text" href="//www.google.com/search?tbm=isch&safe=off&q=%22%E6%9B%86%E5%85%83%22">图像</a></span>），以检查网络上是否存在该主题的更多可靠来源（<a href="/wiki/Wikipedia:%E5%8F%AF%E9%9D%A0%E6%9D%A5%E6%BA%90" title="Wikipedia:可靠来源">判定指引</a>）。</small></span><span class="hide-when-compact"></span></div></td></tr></tbody></table> <p><b>曆元</b>（英語：<span lang="en">Epoch</span>），在<a href="/wiki/%E5%A4%A9%E6%96%87%E5%AD%B8" title="天文學">天文學</a>是一些天文變數作為參考的時刻點，例如<a href="/wiki/%E5%A4%A9%E7%90%83%E5%9D%90%E6%A0%87%E7%B3%BB%E7%BB%9F" title="天球坐标系统">天球座標</a>或<a href="/wiki/%E5%A4%A9%E4%BD%93%E5%88%97%E8%A1%A8" title="天体列表">天體</a>的橢圓<a href="/wiki/%E8%BB%8C%E9%81%93%E6%A0%B9%E6%95%B8" title="軌道根數">軌道要素</a>，因為這些會受到<a href="/wiki/%E6%94%9D%E5%8B%95" title="攝動">攝動</a>而隨著時間變化<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>。這些會隨著時間變動的天文變量可能包括天體的<a href="/wiki/%E5%B9%B3%E9%BB%83%E7%B6%93" title="平黃經">平黃經</a>或<a href="/wiki/%E5%B9%B3%E8%BF%91%E9%BB%9E%E8%A7%92" title="平近點角">平近點角</a>、軌道相對於<a href="/wiki/%E5%8F%83%E8%80%83%E5%B9%B3%E9%9D%A2" title="參考平面">參考平面</a>的交點、軌道<a href="/wiki/%E8%BF%91%E6%97%A5%E9%BB%9E%E5%92%8C%E9%81%A0%E6%97%A5%E9%BB%9E" title="近日點和遠日點">近日點和遠日點</a>或<a href="/wiki/%E6%8B%B1%E9%BB%9E" title="拱點">拱點</a>的方向、其軌道<a href="/wiki/%E5%8D%8A%E9%95%B7%E8%BB%B8" title="半長軸">半長軸</a>的大小等等。 </p><p>在中國古代<a href="/wiki/%E6%9B%86%E6%B3%95" class="mw-redirect" title="曆法">曆法</a>中，則為曆法起算的基準點。对天球坐标来说，其他时刻天体的位置可以依据<a href="/wiki/%E5%B2%81%E5%B7%AE" class="mw-redirect" title="岁差">岁差</a>和天体的<a href="/wiki/%E8%87%AA%E8%A1%8C" title="自行">自行</a>而计算出。在轨道根數的情况下，就必须考虑其他物体产生的扰动才能计算出另一时刻的轨道根数。 </p><p>现在使用的标准曆元是<a href="/wiki/J2000.0" title="J2000.0">J2000.0</a>，即<a href="/wiki/%E5%9C%B0%E7%90%83%E6%99%82" title="地球時">TT</a>（<span lang="en">Terrestrial Time</span>）时间2000年1月1日12:00。前缀「J」代表这是一个<a href="/wiki/%E5%84%92%E7%95%A5%E7%BA%AA%E5%85%83" title="儒略纪元">儒略曆元</a>（<span lang="en">Julian epoch</span>）。在使用J2000.0前的标准曆元是<a href="/wiki/B1950.0" title="B1950.0">B1950.0</a>，前缀「B」代表这是一个<a href="/w/index.php?title=%E8%B4%9D%E5%A1%9E%E8%80%B3%E6%9B%86%E5%85%83&action=edit&redlink=1" class="new" title="贝塞耳曆元（页面不存在）">贝塞耳曆元</a>（<span lang="en">Besselian epoch</span>）。 </p><p>贝塞耳曆元在1984年前使用，而现在使用的是儒略曆元。 </p><p><a href="/wiki/HD%E6%98%9F%E8%A1%A8" title="HD星表">亨利·德雷伯星表</a>使用B1900.0，B1900.0<a href="/wiki/%E7%BA%AA%E5%85%83_(%E5%A4%A9%E6%96%87%E5%AD%A6)" class="mw-redirect" title="纪元 (天文学)">纪元</a>在<a href="/wiki/%E5%A4%A9%E6%96%87%E5%AD%A6" class="mw-redirect" title="天文学">天文学</a>上使用。因为恒星的<a href="/wiki/%E8%B5%A4%E7%BB%8F" title="赤经">赤经</a>和<a href="/wiki/%E8%B5%A4%E7%BA%AC" title="赤纬">赤纬</a>会因<a href="/wiki/%E5%B2%81%E5%B7%AE" class="mw-redirect" title="岁差">岁差</a>之缘故改变，天文学家经常定义某一纪元作为参考点。B1900.0纪元标准已经被后继标准所取代：<a href="/wiki/B1950.0" title="B1950.0">B1950.0</a>以及现在使用的<a href="/wiki/J2000.0" title="J2000.0">J2000.0</a>纪元标准。前缀"B"代表这是一个<a href="/w/index.php?title=%E8%B4%9D%E5%A1%9E%E8%80%B3%E7%BA%AA%E5%85%83&action=edit&redlink=1" class="new" title="贝塞耳纪元（页面不存在）">贝塞耳纪元</a>而非一个<a href="/wiki/%E5%84%92%E7%95%A5%E7%BA%AA%E5%85%83" title="儒略纪元">儒略纪元</a>。 </p><p>对轨道参数的曆元经常会同时给出<a href="/wiki/%E5%9C%B0%E7%90%83%E6%99%82" title="地球時">TT</a>时间，有如下几种格式： </p> <ul><li><a href="/wiki/%E6%A0%BC%E9%87%8C%E5%8E%86" class="mw-redirect" title="格里历">格里</a>日期加上24小时时间格式：2000年1月1日，12:00 TT</li> <li>格里日期加上分数日：2000年1月1.5TT</li> <li><a href="/wiki/%E5%84%92%E7%95%A5%E6%97%A5" title="儒略日">儒略日</a>加上分数日：JDT 2451545.0</li> <li><a href="/wiki/%E7%BE%8E%E5%9B%BD%E5%9B%BD%E5%AE%B6%E8%88%AA%E7%A9%BA%E8%88%AA%E5%A4%A9%E5%B1%80" title="美国国家航空航天局">NASA</a>／<a href="/wiki/%E5%8C%97%E7%BE%8E%E7%A9%BA%E9%98%B2%E5%8F%B8%E4%BB%A4%E9%83%A8" title="北美空防司令部">NORAD</a>的<a href="/wiki/%E8%BB%8C%E9%81%93%E6%A0%B9%E6%95%B8" title="軌道根數">Two-Line Elements</a>格式加上分数日：00001.50000000</li></ul> <div class="mw-heading mw-heading2"><h2 id="相關條目"><span id=".E7.9B.B8.E9.97.9C.E6.A2.9D.E7.9B.AE"></span>相關條目</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%9B%86%E5%85%83&action=edit&section=1" title="编辑章节：相關條目"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%E5%A4%A9%E4%BD%93%E6%B5%8B%E9%87%8F%E5%AD%A6" title="天体测量学">天体测量学</a></li> <li><a href="/wiki/%E5%9B%BD%E9%99%85%E5%A4%A9%E7%90%83%E5%8F%82%E8%80%83%E7%B3%BB" title="国际天球参考系">国际天球参考系</a></li> <li><a href="/wiki/%E5%9C%8B%E9%9A%9B%E5%A4%A9%E7%90%83%E5%8F%83%E8%80%83%E6%9E%B6" title="國際天球參考架">國際天球參考架</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="參考資料"><span id=".E5.8F.83.E8.80.83.E8.B3.87.E6.96.99"></span>參考資料</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%9B%86%E5%85%83&action=edit&section=2" title="编辑章节：參考資料"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><cite class="citation book">Soop, E. M. Handbook of Geostationary Orbits. Springer. 1994. <a href="/wiki/Special:%E7%BD%91%E7%BB%9C%E4%B9%A6%E6%BA%90/978-0-7923-3054-7" title="Special:网络书源/978-0-7923-3054-7"><span title="国际标准书号">ISBN</span> 978-0-7923-3054-7</a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E6%9B%86%E5%85%83&rft.aufirst=E.+M.&rft.aulast=Soop&rft.btitle=Handbook+of+Geostationary+Orbits&rft.date=1994&rft.genre=book&rft.isbn=978-0-7923-3054-7&rft.pub=Springer&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="外部連結"><span id=".E5.A4.96.E9.83.A8.E9.80.A3.E7.B5.90"></span>外部連結</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%9B%86%E5%85%83&action=edit&section=3" title="编辑章节：外部連結"><span>编辑</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><cite class="citation journal">Standish, E. M., Jr. <a rel="nofollow" class="external text" href="https://archive.org/details/sim_astronomy-and-astrophysics_1982-11_115_1/page/20">Conversion of positions and proper motions from B1950.0 to the IAU system at J2000.0</a>. Astronomy and Astrophysics. November 1982, <b>115</b> (1): 20–22. <a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1982A&A...115...20S"><span title="Bibcode">Bibcode:1982A&A...115...20S</span></a>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E6%9B%86%E5%85%83&rft.atitle=Conversion+of+positions+and+proper+motions+from+B1950.0+to+the+IAU+system+at+J2000.0&rft.aufirst=E.+M.%2C+Jr.&rft.aulast=Standish&rft.date=1982-11&rft.genre=article&rft.issue=1&rft.jtitle=Astronomy+and+Astrophysics&rft.pages=20-22&rft.volume=115&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fsim_astronomy-and-astrophysics_1982-11_115_1%2Fpage%2F20&rft_id=info%3Abibcode%2F1982A%26A...115...20S&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></li> <li><a rel="nofollow" class="external text" href="http://aa.usno.navy.mil/faq/docs/TT.html">What is Terrestrial Time?</a> （<a rel="nofollow" class="external text" href="//web.archive.org/web/20060806040555/http://aa.usno.navy.mil/faq/docs/TT.html">页面存档备份</a>，存于<a href="/wiki/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86" title="互联网档案馆">互联网档案馆</a>） - U.S. Naval Observatory</li> <li><a rel="nofollow" class="external text" href="http://aa.usno.navy.mil/faq/docs/ICRS_doc.html">International Celestial Reference System, or ICRS</a> （<a rel="nofollow" class="external text" href="//web.archive.org/web/20060805073908/http://aa.usno.navy.mil/faq/docs/ICRS_doc.html">页面存档备份</a>，存于<a href="/wiki/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86" title="互联网档案馆">互联网档案馆</a>） - U.S. Naval Observatory</li> <li><a rel="nofollow" class="external text" href="http://www.iers.org/MainDisp.csl?pid=46-25776">IERS Conventions 2003 (defines ICRS and other related standards)</a> （<a rel="nofollow" class="external text" href="//web.archive.org/web/20090131124845/http://www.iers.org/MainDisp.csl?pid=46-25776">页面存档备份</a>，存于<a href="/wiki/%E4%BA%92%E8%81%94%E7%BD%91%E6%A1%A3%E6%A1%88%E9%A6%86" title="互联网档案馆">互联网档案馆</a>）</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r84265675">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:" :"}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist 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ul.sslist{margin:0;padding:0;display:inline-block;list-style:none}.mw-parser-output .cslist li,.mw-parser-output .sslist li{margin:0;display:inline-block}.mw-parser-output .cslist li::after{content:"，"}.mw-parser-output .sslist li::after{content:"；"}.mw-parser-output .cslist li:last-child::after,.mw-parser-output .sslist li:last-child::after{content:none}</style><style data-mw-deduplicate="TemplateStyles:r84261037">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{text-align:center;padding-left:1em;padding-right:1em}.mw-parser-output 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.hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em;width:auto;padding-left:0.2em;position:absolute;left:1em}.mw-parser-output .navbox .mw-collapsible-toggle{margin-left:0.5em;position:absolute;right:1em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="引力的轨道" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="collapsible-title navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><style data-mw-deduplicate="TemplateStyles:r84244141">.mw-parser-output .navbar{display:inline;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:110%;margin:0 8em}.mw-parser-output .navbar-ct-mini{font-size:110%;margin:0 5em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:%E8%BB%8C%E9%81%93" title="Template:軌道"><abbr title="查看该模板">查</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:%E8%BB%8C%E9%81%93" title="Template talk:軌道"><abbr title="讨论该模板">论</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:%E7%BC%96%E8%BE%91%E9%A1%B5%E9%9D%A2/Template:%E8%BB%8C%E9%81%93" title="Special:编辑页面/Template:軌道"><abbr title="编辑该模板">编</abbr></a></li></ul></div><div id="引力的轨道" style="font-size:110%;margin:0 5em">引力的<a href="/wiki/%E8%BD%A8%E9%81%93_(%E5%8A%9B%E5%AD%A6)" title="轨道 (力学)">轨道</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%E8%BD%A8%E9%81%93_(%E5%8A%9B%E5%AD%A6)" title="轨道 (力学)">类型</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">一般</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E7%9B%92%E8%BB%8C%E9%81%93" title="盒軌道">盒軌道</a></li> <li><a href="/wiki/%E6%8B%8B%E7%89%A9%E7%B7%9A%E8%BB%8C%E9%81%93" title="拋物線軌道">捕獲軌道</a></li> <li><span class="ilh-all" data-orig-title="圆轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Circular orbit"><span class="ilh-page"><a href="/w/index.php?title=%E5%9C%86%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="圆轨道（页面不存在）">圆轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Circular_orbit" class="extiw" title="en:Circular orbit"><span lang="en" dir="auto">Circular orbit</span></a></span>）</span></span></li> <li><a href="/wiki/%E6%A9%A2%E5%9C%93%E8%BB%8C%E9%81%93" title="橢圓軌道">橢圓軌道</a> / <a href="/wiki/%E5%A4%A7%E6%A4%AD%E5%9C%86%E8%BD%A8%E9%81%93" title="大椭圆轨道">高橢圓軌道</a></li> <li><a href="/wiki/%E6%8B%8B%E7%89%A9%E7%B7%9A%E8%BB%8C%E9%81%93" title="拋物線軌道">逃逸轨道</a></li> <li><a href="/wiki/%E9%A6%AC%E8%B9%84%E5%BD%A2%E8%BB%8C%E9%81%93" title="馬蹄形軌道">馬蹄形軌道</a></li> <li><span class="ilh-all" data-orig-title="双曲线轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Hyperbolic trajectory"><span class="ilh-page"><a href="/w/index.php?title=%E5%8F%8C%E6%9B%B2%E7%BA%BF%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="双曲线轨道（页面不存在）">双曲线轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Hyperbolic_trajectory" class="extiw" title="en:Hyperbolic trajectory"><span lang="en" dir="auto">Hyperbolic trajectory</span></a></span>）</span></span></li> <li><span class="ilh-all" data-orig-title="倾斜轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Inclined orbit"><span class="ilh-page"><a href="/w/index.php?title=%E5%80%BE%E6%96%9C%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="倾斜轨道（页面不存在）">倾斜轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Inclined_orbit" class="extiw" title="en:Inclined orbit"><span lang="en" dir="auto">Inclined orbit</span></a></span>）</span></span> / <span class="ilh-all" data-orig-title="无倾斜轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Non-inclined orbit"><span class="ilh-page"><a href="/w/index.php?title=%E6%97%A0%E5%80%BE%E6%96%9C%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="无倾斜轨道（页面不存在）">无倾斜轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Non-inclined_orbit" class="extiw" title="en:Non-inclined orbit"><span lang="en" dir="auto">Non-inclined orbit</span></a></span>）</span></span></li> <li><a href="/wiki/%E6%8B%89%E6%A0%BC%E6%9C%97%E6%97%A5%E7%82%B9" title="拉格朗日点">拉格朗日点</a></li> <li><a href="/wiki/%E5%90%BB%E5%88%87%E8%BB%8C%E9%81%93" title="吻切軌道">吻切軌道</a></li> <li><a href="/wiki/%E6%8B%8B%E7%89%A9%E7%B7%9A%E8%BB%8C%E9%81%93" title="拋物線軌道">拋物線軌道</a></li> <li><span class="ilh-all" data-orig-title="停泊轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Parking orbit"><span class="ilh-page"><a href="/w/index.php?title=%E5%81%9C%E6%B3%8A%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="停泊轨道（页面不存在）">停泊轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Parking_orbit" class="extiw" title="en:Parking orbit"><span lang="en" dir="auto">Parking orbit</span></a></span>）</span></span></li> <li><a href="/wiki/%E9%A0%86%E8%A1%8C%E5%92%8C%E9%80%86%E8%A1%8C" title="順行和逆行">顺行/逆行</a></li> <li><a href="/wiki/%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93" title="同步轨道">同步轨道</a> <ul><li><a href="/wiki/%E5%8D%8A%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93" title="半同步轨道">半同步</a></li> <li><span class="ilh-all" data-orig-title="亚同步轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Subsynchronous orbit"><span class="ilh-page"><a href="/w/index.php?title=%E4%BA%9A%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="亚同步轨道（页面不存在）">亚同步</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Subsynchronous_orbit" class="extiw" title="en:Subsynchronous orbit"><span lang="en" dir="auto">Subsynchronous orbit</span></a></span>）</span></span></li></ul></li> <li><a href="/wiki/%E9%9C%8D%E6%9B%BC%E8%BD%89%E7%A7%BB%E8%BB%8C%E9%81%93" title="霍曼轉移軌道">转移轨道</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%E5%9C%B0%E5%BF%83%E8%BD%A8%E9%81%93" title="地心轨道">地心</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%9C%B0%E7%90%83%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93" title="地球同步轨道">地球同步轨道</a> <ul><li><a href="/wiki/%E5%9C%B0%E7%90%83%E9%9D%9C%E6%AD%A2%E8%BB%8C%E9%81%93" title="地球靜止軌道">地球靜止軌道</a></li> <li><a href="/wiki/%E5%9C%B0%E7%90%83%E5%90%8C%E6%AD%A5%E8%BD%89%E7%A7%BB%E8%BB%8C%E9%81%93" title="地球同步轉移軌道">地球同步轉移軌道</a></li></ul></li> <li><a href="/wiki/%E5%A2%93%E5%9C%B0%E8%BD%A8%E9%81%93" title="墓地轨道">墓地轨道</a></li> <li><a href="/wiki/%E8%BF%91%E5%9C%B0%E8%BD%A8%E9%81%93" title="近地轨道">低地球軌道</a></li> <li><a href="/wiki/%E4%B8%AD%E5%9C%B0%E7%90%83%E8%BD%A8%E9%81%93" title="中地球轨道">中地球轨道</a></li> <li><a href="/wiki/%E9%AB%98%E5%9C%B0%E7%90%83%E8%BB%8C%E9%81%93" title="高地球軌道">高地球軌道</a></li> <li><a href="/wiki/%E9%97%AA%E7%94%B5%E8%BD%A8%E9%81%93" title="闪电轨道">闪电轨道</a></li> <li><span class="ilh-all" data-orig-title="近赤道轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Near-equatorial orbit"><span class="ilh-page"><a href="/w/index.php?title=%E8%BF%91%E8%B5%A4%E9%81%93%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="近赤道轨道（页面不存在）">近赤道轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Near-equatorial_orbit" class="extiw" title="en:Near-equatorial orbit"><span lang="en" dir="auto">Near-equatorial orbit</span></a></span>）</span></span></li> <li><a href="/wiki/%E6%9C%88%E7%90%83%E8%BB%8C%E9%81%93" title="月球軌道">月球軌道</a></li> <li><a href="/wiki/%E6%9E%81%E8%BD%A8%E9%81%93" title="极轨道">极轨道</a></li> <li><a href="/wiki/%E5%A4%AA%E9%98%B3%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93" title="太阳同步轨道">太阳同步轨道</a></li> <li><a href="/wiki/%E5%87%8D%E5%8E%9F%E8%BB%8C%E9%81%93" title="凍原軌道">凍原軌道</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">其他</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li>火星 <ul><li><a href="/wiki/%E7%81%AB%E6%98%9F%E8%BD%A8%E9%81%93" title="火星轨道">火星轨道</a></li> <li><span class="ilh-all" data-orig-title="火星同步轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Areosynchronous orbit"><span class="ilh-page"><a href="/w/index.php?title=%E7%81%AB%E6%98%9F%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="火星同步轨道（页面不存在）">火星同步轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Areosynchronous_orbit" class="extiw" title="en:Areosynchronous orbit"><span lang="en" dir="auto">Areosynchronous orbit</span></a></span>）</span></span></li> <li><span class="ilh-all" data-orig-title="火星静止轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Areostationary orbit"><span class="ilh-page"><a href="/w/index.php?title=%E7%81%AB%E6%98%9F%E9%9D%99%E6%AD%A2%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="火星静止轨道（页面不存在）">火星静止轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Areostationary_orbit" class="extiw" title="en:Areostationary orbit"><span lang="en" dir="auto">Areostationary orbit</span></a></span>）</span></span></li></ul></li> <li>拉格朗日点 <ul><li><span class="ilh-all" data-orig-title="远距离逆行轨道" data-lang-code="en" data-lang-name="英语" data-foreign-title="Distant retrograde orbit"><span class="ilh-page"><a href="/w/index.php?title=%E8%BF%9C%E8%B7%9D%E7%A6%BB%E9%80%86%E8%A1%8C%E8%BD%A8%E9%81%93&action=edit&redlink=1" class="new" title="远距离逆行轨道（页面不存在）">远距离逆行轨道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Distant_retrograde_orbit" class="extiw" title="en:Distant retrograde orbit"><span lang="en" dir="auto">Distant retrograde orbit</span></a></span>）</span></span></li> <li><a href="/wiki/%E6%99%95%E8%BD%AE%E8%BD%A8%E9%81%93" title="晕轮轨道">晕轮轨道</a></li> <li><a href="/wiki/%E5%88%A9%E8%96%A9%E5%A6%82%E8%BB%8C%E9%81%93" title="利薩如軌道">利薩如軌道</a></li></ul></li> <li><a href="/wiki/%E7%BB%95%E6%9C%88%E8%BD%A8%E9%81%93" title="绕月轨道">绕月轨道</a></li> <li>太阳 <ul><li><a href="/wiki/%E6%97%A5%E5%BF%83%E8%BB%8C%E9%81%93" title="日心軌道">日心軌道</a> <ul><li><a href="/wiki/%E5%9C%B0%E7%90%83%E8%BD%A8%E9%81%93" title="地球轨道">地球轨道</a></li></ul></li> <li><a href="/wiki/%E5%A4%AA%E9%98%B3%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93" title="太阳同步轨道">太阳同步轨道</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%E8%BB%8C%E9%81%93%E6%A0%B9%E6%95%B8" title="軌道根數">参数</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:6em"><div class="hlist"><ul><li>形状</li><li>大小</li></ul></div></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0px"><div style="padding:0em 0.25em"> <ul><li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">e</span></span>  <a href="/wiki/%E8%BB%8C%E9%81%93%E9%9B%A2%E5%BF%83%E7%8E%87" title="軌道離心率">离心率</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">a</span></span>  <a href="/wiki/%E5%8D%8A%E9%95%B7%E8%BB%B8" title="半長軸">半長軸</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">b</span></span>  <a href="/wiki/%E5%8D%8A%E7%9F%AD%E8%BB%B8" title="半短軸">半短軸</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">Q</span></span>, <span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">q</span></span>  <a href="/wiki/%E6%8B%B1%E9%BB%9E" title="拱點">拱點</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em">方向</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0px"><div style="padding:0em 0.25em"> <ul><li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">i</span></span>  <a href="/wiki/%E8%BB%8C%E9%81%93%E5%82%BE%E8%A7%92" title="軌道傾角">倾角</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">Ω</span></span>  <a href="/wiki/%E5%8D%87%E4%BA%A4%E9%BB%9E%E9%BB%83%E7%B6%93" title="升交點黃經">升交点经度</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">ω</span></span>  <a href="/wiki/%E8%BF%91%E5%BF%83%E9%BB%9E%E5%B9%85%E8%A7%92" title="近心點幅角">近心點幅角</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">ϖ</span></span>  <a href="/wiki/%E8%BF%91%E5%BF%83%E9%BB%9E%E7%B6%93%E5%BA%A6" title="近心點經度">近心點經度</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em">位置</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0px"><div style="padding:0em 0.25em"> <ul><li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">M</span></span>  <a href="/wiki/%E5%B9%B3%E8%BF%91%E9%BB%9E%E8%A7%92" title="平近點角">平近點角</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">ν</span></span>, <span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">θ</span></span>, <span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">f</span></span>  <a href="/wiki/%E7%9C%9F%E8%BF%91%E9%BB%9E%E8%A7%92" title="真近點角">真近點角</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">E</span></span>  <a href="/wiki/%E5%81%8F%E8%BF%91%E9%BB%9E%E8%A7%92" title="偏近點角">偏近點角</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">L</span></span>  <a href="/wiki/%E5%B9%B3%E9%BB%83%E7%B6%93" title="平黃經">平黃經</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">l</span></span>  <a href="/wiki/%E7%9C%9F%E9%BB%83%E7%B6%93" title="真黃經">真黃經</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:6em">变化</th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0px"><div style="padding:0em 0.25em"> <ul><li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">T</span></span>  <a href="/wiki/%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F" title="轨道周期">轨道周期</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">n</span></span>  <a href="/wiki/%E5%B9%B3%E5%9D%87%E8%BF%90%E5%8A%A8" title="平均运动">平均运动</a></li> <li><span class="serif"><span class="texhtml mvar" style="font-style:italic;margin-left:2px;margin-right:2px;">v</span></span>  <a href="/wiki/%E8%BD%A8%E9%81%93%E9%80%9F%E5%BA%A6" title="轨道速度">轨道速度</a></li> <li><span class="serif"><span class="texhtml"><i>t</i><sub>0</sub></span></span>  <a class="mw-selflink selflink">曆元</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><span class="ilh-all" data-orig-title="轨道机动" data-lang-code="en" data-lang-name="英语" data-foreign-title="Orbital maneuver"><span class="ilh-page"><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E6%9C%BA%E5%8A%A8&action=edit&redlink=1" class="new" title="轨道机动（页面不存在）">机动</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Orbital_maneuver" class="extiw" title="en:Orbital maneuver"><span lang="en" dir="auto">Orbital maneuver</span></a></span>）</span></span></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%8F%8C%E6%A4%AD%E5%9C%86%E8%BD%AC%E7%A7%BB" title="双椭圆转移">双椭圆转移</a></li> <li><span class="ilh-all" data-orig-title="碰撞规避" data-lang-code="en" data-lang-name="英语" data-foreign-title="Collision avoidance (spacecraft)"><span class="ilh-page"><a href="/w/index.php?title=%E7%A2%B0%E6%92%9E%E8%A7%84%E9%81%BF&action=edit&redlink=1" class="new" title="碰撞规避（页面不存在）">碰撞规避</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Collision_avoidance_(spacecraft)" class="extiw" title="en:Collision avoidance (spacecraft)"><span lang="en" dir="auto">Collision avoidance (spacecraft)</span></a></span>）</span></span></li> <li><a href="/wiki/%CE%94V" title="ΔV">ΔV</a></li> <li><span class="ilh-all" data-orig-title="ΔV预算" data-lang-code="en" data-lang-name="英语" data-foreign-title="Delta-v budget"><span class="ilh-page"><a href="/w/index.php?title=%CE%94V%E9%A2%84%E7%AE%97&action=edit&redlink=1" class="new" title="ΔV预算（页面不存在）">ΔV预算</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Delta-v_budget" class="extiw" title="en:Delta-v budget"><span lang="en" dir="auto">Delta-v budget</span></a></span>）</span></span></li> <li><a href="/wiki/%E9%87%8D%E5%8A%9B%E5%8A%A9%E6%8E%A8" title="重力助推">重力助推</a></li> <li><span class="ilh-all" data-orig-title="重力转向" data-lang-code="en" data-lang-name="英语" data-foreign-title="Gravity turn"><span class="ilh-page"><a href="/w/index.php?title=%E9%87%8D%E5%8A%9B%E8%BD%AC%E5%90%91&action=edit&redlink=1" class="new" title="重力转向（页面不存在）">重力转向</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Gravity_turn" class="extiw" title="en:Gravity turn"><span lang="en" dir="auto">Gravity turn</span></a></span>）</span></span></li> <li><a href="/wiki/%E9%9C%8D%E6%9B%BC%E8%BD%89%E7%A7%BB%E8%BB%8C%E9%81%93" title="霍曼轉移軌道">霍曼轉移軌道</a></li> <li><span class="ilh-all" data-orig-title="轨道倾角更改" data-lang-code="en" data-lang-name="英语" data-foreign-title="Orbital inclination change"><span class="ilh-page"><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%80%BE%E8%A7%92%E6%9B%B4%E6%94%B9&action=edit&redlink=1" class="new" title="轨道倾角更改（页面不存在）">轨道倾角更改</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Orbital_inclination_change" class="extiw" title="en:Orbital inclination change"><span lang="en" dir="auto">Orbital inclination change</span></a></span>）</span></span></li> <li><a href="/wiki/%E4%BD%8E%E8%83%BD%E9%87%8F%E8%BD%AC%E7%A7%BB" title="低能量转移">低能量转移</a></li> <li><a href="/wiki/%E9%87%8D%E5%8A%9B%E5%8A%A9%E6%8E%A8#奥伯特效应" title="重力助推">奥伯特效应</a></li> <li><span class="ilh-all" data-orig-title="轨道定相" data-lang-code="en" data-lang-name="英语" data-foreign-title="Orbit phasing"><span class="ilh-page"><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%AE%9A%E7%9B%B8&action=edit&redlink=1" class="new" title="轨道定相（页面不存在）">定相</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Orbit_phasing" class="extiw" title="en:Orbit phasing"><span lang="en" dir="auto">Orbit phasing</span></a></span>）</span></span></li> <li><a href="/wiki/%E7%81%AB%E7%AE%AD%E6%96%B9%E7%A8%8B" title="火箭方程">火箭方程</a></li> <li><a href="/wiki/%E7%A9%BA%E9%96%93%E4%BA%A4%E6%9C%83" title="空間交會">交会</a></li> <li><span class="ilh-all" data-orig-title="转位、对接和提取" data-lang-code="en" data-lang-name="英语" data-foreign-title="Transposition, docking, and extraction"><span class="ilh-page"><a href="/w/index.php?title=%E8%BD%AC%E4%BD%8D%E3%80%81%E5%AF%B9%E6%8E%A5%E5%92%8C%E6%8F%90%E5%8F%96&action=edit&redlink=1" class="new" title="转位、对接和提取（页面不存在）">转位、对接和提取</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Transposition,_docking,_and_extraction" class="extiw" title="en:Transposition, docking, and extraction"><span lang="en" dir="auto">Transposition, docking, and extraction</span></a></span>）</span></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/%E8%88%AA%E5%A4%A9%E5%8A%A8%E5%8A%9B%E5%AD%A6" title="航天动力学">航天动力学</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%A4%A9%E7%90%83%E5%9D%90%E6%A0%87%E7%B3%BB%E7%BB%9F" title="天球坐标系统">天球坐标系统</a></li> <li><span class="ilh-all" data-orig-title="特征能量" data-lang-code="en" data-lang-name="英语" data-foreign-title="Characteristic energy"><span class="ilh-page"><a href="/w/index.php?title=%E7%89%B9%E5%BE%81%E8%83%BD%E9%87%8F&action=edit&redlink=1" class="new" title="特征能量（页面不存在）">特征能量</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Characteristic_energy" class="extiw" title="en:Characteristic energy"><span lang="en" dir="auto">Characteristic energy</span></a></span>）</span></span></li> <li><a href="/wiki/%E5%AE%87%E5%AE%99%E9%80%9F%E5%BA%A6" title="宇宙速度">宇宙速度</a></li> <li><a href="/wiki/%E6%98%9F%E6%9B%86%E8%A1%A8" title="星曆表">星曆表</a></li> <li><a href="/wiki/%E8%B5%A4%E9%81%93%E5%9D%90%E6%A8%99%E7%B3%BB%E7%B5%B1" title="赤道坐標系統">赤道坐標系統</a></li> <li><span class="ilh-all" data-orig-title="星下点轨迹" data-lang-code="en" data-lang-name="英语" data-foreign-title="Ground track"><span class="ilh-page"><a href="/w/index.php?title=%E6%98%9F%E4%B8%8B%E7%82%B9%E8%BD%A8%E8%BF%B9&action=edit&redlink=1" class="new" title="星下点轨迹（页面不存在）">星下点轨迹</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Ground_track" class="extiw" title="en:Ground track"><span lang="en" dir="auto">Ground track</span></a></span>）</span></span></li> <li><a href="/wiki/%E5%B8%8C%E7%88%BE%E7%90%83" title="希爾球">希爾球</a></li> <li><span class="ilh-all" data-orig-title="行星际运输网络" data-lang-code="en" data-lang-name="英语" data-foreign-title="Interplanetary Transport Network"><span class="ilh-page"><a href="/w/index.php?title=%E8%A1%8C%E6%98%9F%E9%99%85%E8%BF%90%E8%BE%93%E7%BD%91%E7%BB%9C&action=edit&redlink=1" class="new" title="行星际运输网络（页面不存在）">行星际运输网络</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Interplanetary_Transport_Network" class="extiw" title="en:Interplanetary Transport Network"><span lang="en" dir="auto">Interplanetary Transport Network</span></a></span>）</span></span></li> <li><a href="/wiki/%E5%BC%80%E6%99%AE%E5%8B%92%E5%AE%9A%E5%BE%8B" title="开普勒定律">开普勒定律</a></li> <li><a href="/wiki/%E6%8B%89%E6%A0%BC%E6%9C%97%E6%97%A5%E7%82%B9" title="拉格朗日点">拉格朗日点</a></li> <li><a href="/wiki/N%E4%BD%93%E9%97%AE%E9%A2%98" title="N体问题">N体问题</a></li> <li><span class="ilh-all" data-orig-title="轨道方程" data-lang-code="en" data-lang-name="英语" data-foreign-title="Orbit equation"><span class="ilh-page"><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E6%96%B9%E7%A8%8B&action=edit&redlink=1" class="new" title="轨道方程（页面不存在）">轨道方程</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Orbit_equation" class="extiw" title="en:Orbit equation"><span lang="en" dir="auto">Orbit equation</span></a></span>）</span></span></li> <li><span class="ilh-all" data-orig-title="轨道状态向量" data-lang-code="en" data-lang-name="英语" data-foreign-title="Orbital state vectors"><span class="ilh-page"><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E7%8A%B6%E6%80%81%E5%90%91%E9%87%8F&action=edit&redlink=1" class="new" title="轨道状态向量（页面不存在）">轨道状态向量</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Orbital_state_vectors" class="extiw" title="en:Orbital state vectors"><span lang="en" dir="auto">Orbital state vectors</span></a></span>）</span></span></li> <li><a href="/wiki/%E6%94%9D%E5%8B%95" title="攝動">攝動</a></li> <li><a href="/wiki/%E9%A0%86%E8%A1%8C%E5%92%8C%E9%80%86%E8%A1%8C" title="順行和逆行">順行和逆行</a></li> <li><span class="ilh-all" data-orig-title="比轨道能量" data-lang-code="en" data-lang-name="英语" data-foreign-title="Specific orbital energy"><span class="ilh-page"><a href="/w/index.php?title=%E6%AF%94%E8%BD%A8%E9%81%93%E8%83%BD%E9%87%8F&action=edit&redlink=1" class="new" title="比轨道能量（页面不存在）">比轨道能量</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Specific_orbital_energy" class="extiw" title="en:Specific orbital energy"><span lang="en" dir="auto">Specific orbital energy</span></a></span>）</span></span></li> <li><a href="/wiki/%E6%AF%94%E8%A7%92%E5%8A%A8%E9%87%8F" title="比角动量">比角动量</a></li> <li><a href="/wiki/%E4%B8%A4%E8%A1%8C%E8%BD%A8%E9%81%93%E8%A6%81%E7%B4%A0%E5%BD%A2%E5%BC%8F" title="两行轨道要素形式">两行轨道要素形式</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span typeof="mw:File"><span title="列表级条目"><img alt="列表级条目" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/Symbol_list_class.svg/16px-Symbol_list_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/Symbol_list_class.svg/23px-Symbol_list_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/db/Symbol_list_class.svg/31px-Symbol_list_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <span class="ilh-all" data-orig-title="轨道列表" data-lang-code="en" data-lang-name="英语" data-foreign-title="List of orbits"><span class="ilh-page"><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%88%97%E8%A1%A8&action=edit&redlink=1" class="new" title="轨道列表（页面不存在）">轨道列表</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英语</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/List_of_orbits" class="extiw" title="en:List of orbits"><span lang="en" dir="auto">List of orbits</span></a></span>）</span></span></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84261037"></div><div role="navigation" class="navbox" aria-labelledby="时间" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="collapsible-title navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84244141"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:%E6%99%82%E9%96%93" title="Template:時間"><abbr title="查看该模板">查</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:%E6%99%82%E9%96%93" title="Template talk:時間"><abbr title="讨论该模板">论</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:%E7%BC%96%E8%BE%91%E9%A1%B5%E9%9D%A2/Template:%E6%99%82%E9%96%93" title="Special:编辑页面/Template:時間"><abbr title="编辑该模板">编</abbr></a></li></ul></div><div id="时间" style="font-size:110%;margin:0 5em"><a href="/wiki/%E6%97%B6%E9%97%B4" title="时间">时间</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;">基本概念</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%8E%86%E5%8F%B2" title="历史">历史</a></li> <li><a href="/wiki/%E9%81%8E%E5%8E%BB" title="過去">過去</a></li> <li><a href="/wiki/%E7%8F%BE%E5%9C%A8" title="現在">現在</a></li> <li><a href="/wiki/%E6%9C%AA%E6%9D%A5" title="未来">未来</a></li> <li><a href="/wiki/%E6%B0%B8%E6%81%86" title="永恆">永恆</a></li> <li><a href="/wiki/%E6%97%B6%E9%97%B4%E7%AE%AD%E5%A4%B4" title="时间箭头">时间箭头</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="9" style="width:1px;padding:0px 0px 0px 2px"><div><span typeof="mw:File"><a href="/wiki/File:Wooden_hourglass_3.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/76px-Wooden_hourglass_3.jpg" decoding="async" width="76" height="154" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/114px-Wooden_hourglass_3.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Wooden_hourglass_3.jpg/152px-Wooden_hourglass_3.jpg 2x" data-file-width="967" data-file-height="1959" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;"><a href="/wiki/%E6%97%B6%E9%97%B4%E5%8D%95%E4%BD%8D" title="时间单位">时间单位</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">取法自然</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E9%8A%80%E6%B2%B3%E5%B9%B4" title="銀河年">銀河年</a></li> <li><a href="/wiki/%E9%BB%98%E5%86%AC%E7%AB%A0" title="默冬章">默冬章</a></li> <li><a href="/wiki/%E5%B9%B4" title="年">年</a></li> <li><a href="/wiki/%E5%AD%A3%E7%AF%80" class="mw-redirect" title="季節">季</a></li> <li><a href="/wiki/%E6%9C%88" title="月">月</a></li> <li><a href="/wiki/%E6%97%A5" title="日">日</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">人為單位</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E7%A7%92" title="秒">秒</a></li> <li><a href="/wiki/%E5%88%86%E9%90%98" class="mw-redirect" title="分鐘">分</a></li> <li><a href="/wiki/%E5%88%BB" title="刻">刻</a></li> <li><a href="/wiki/%E5%B0%8F%E6%97%B6" title="小时">时</a></li> <li><a href="/wiki/%E6%98%9F%E6%9C%9F" title="星期">周</a></li> <li><a href="/wiki/%E6%97%AC" title="旬">旬</a></li> <li><a href="/wiki/%E5%B9%B4%E4%BB%A3" title="年代">年代</a></li> <li><a href="/wiki/%E4%B8%96%E7%BA%AA" title="世纪">世纪</a></li> <li><a href="/wiki/%E5%8D%83%E7%BA%AA" title="千纪">千纪</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">中國古代曆法時間單位</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%85%83_(%E6%9B%86%E6%B3%95)" title="元 (曆法)">元</a></li> <li><a href="/wiki/%E7%B4%80_(%E6%9B%86%E6%B3%95)" title="紀 (曆法)">紀</a></li> <li><a href="/wiki/%E8%94%80_(%E4%B8%AD%E5%9C%8B)" title="蔀 (中國)">蔀</a></li> <li><a href="/wiki/%E7%AB%A0_(%E6%9B%86%E6%B3%95)" title="章 (曆法)">章</a></li> <li><a href="/wiki/%E5%9B%9E%E5%BD%92%E5%B9%B4" title="回归年">歲</a></li> <li><a href="/wiki/%E6%9C%94%E6%9C%9B%E6%9C%88" title="朔望月">月</a></li> <li><a href="/wiki/%E6%97%AC" title="旬">旬</a></li> <li><a href="/wiki/%E5%A4%AA%E9%98%B3%E6%97%A5" title="太阳日">日</a></li> <li><a href="/wiki/%E6%97%B6%E8%BE%B0" title="时辰">辰</a></li> <li><a href="/wiki/%E6%9B%B4" title="更">更</a></li> <li><a href="/wiki/%E7%82%B9_(%E6%97%B6%E9%97%B4)" title="点 (时间)">點</a></li> <li><a href="/wiki/%E5%88%BB" title="刻">刻</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">印度古代時間單位</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E6%99%82_(%E5%8F%A4%E5%8D%B0%E5%BA%A6)" title="時 (古印度)">大時</a></li> <li><a href="/wiki/%E9%A0%88%E8%87%BE" title="須臾">須臾</a></li> <li><a href="/w/index.php?title=%E7%BE%85%E8%B1%AB&action=edit&redlink=1" class="new" title="羅豫（页面不存在）">羅豫</a></li> <li><a href="/w/index.php?title=%E8%85%8A%E7%BC%9A&action=edit&redlink=1" class="new" title="腊缚（页面不存在）">腊缚</a></li> <li><a href="/wiki/%E5%BD%88%E6%8C%87" title="彈指">彈指</a></li> <li><a href="/w/index.php?title=%E5%9D%A6%E5%89%8E%E9%82%A3&action=edit&redlink=1" class="new" title="坦剎那（页面不存在）">坦剎那</a></li> <li><a href="/w/index.php?title=%E7%9E%AC%E9%A0%83&action=edit&redlink=1" class="new" title="瞬頃（页面不存在）">瞬頃</a></li> <li><a href="/wiki/%E5%BF%B5_(%E4%BD%9B%E6%95%99)" title="念 (佛教)">念</a></li> <li><a href="/wiki/%E5%88%B9%E9%82%A3" title="刹那">刹那</a></li> <li><a href="/w/index.php?title=%E7%94%9F%E6%BB%85&action=edit&redlink=1" class="new" title="生滅（页面不存在）">生滅</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">取自<a href="/wiki/%E7%89%A9%E7%90%86%E5%AD%A6" title="物理学">物理</a><a href="/wiki/%E7%90%86%E8%AB%96" title="理論">理論</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E6%99%AE%E6%9C%97%E5%85%8B%E6%99%82%E9%96%93" title="普朗克時間">普朗克時間</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;">天文的年</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E4%BA%A4%E7%82%B9%E5%B9%B4" title="交点年">交点年</a></li> <li><a href="/wiki/%E5%9B%9E%E5%BD%92%E5%B9%B4" title="回归年">回归年</a></li> <li><a href="/wiki/%E6%81%92%E6%98%9F%E5%B9%B4" title="恒星年">恒星年</a></li> <li><a href="/wiki/%E8%BF%91%E7%82%B9%E5%B9%B4" title="近点年">近点年</a></li> <li><a href="/wiki/%E5%84%92%E7%95%A5%E5%B9%B4" title="儒略年">儒略年</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;">天文的月</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E6%9C%88#天文學的背景" title="月">交點月</a></li> <li><a href="/wiki/%E6%9C%88#天文學的背景" title="月">回歸月</a></li> <li><a href="/wiki/%E6%81%92%E6%98%9F%E6%9C%88" title="恒星月">恒星月</a></li> <li><a href="/wiki/%E6%9C%88#天文學的背景" title="月">近點月</a></li> <li><a href="/wiki/%E6%9C%94%E6%9C%9B%E6%9C%88" title="朔望月">朔望月</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;">天文的日</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%A4%AA%E9%98%B3%E6%97%A5" title="太阳日">太阳日</a></li> <li><a href="/wiki/%E6%81%92%E6%98%9F%E6%97%A5" title="恒星日">恒星日</a></li> <li><a href="/wiki/%E6%9B%86%E6%9B%B8%E6%99%82" title="曆書時">曆書日</a></li> <li><a href="/wiki/%E5%84%92%E7%95%A5%E6%97%A5" title="儒略日">儒略日</a></li> <li><a href="/wiki/%E6%9C%83%E5%90%88%E6%97%A5" title="會合日">會合日</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;">天文的時</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E6%B0%91%E7%94%A8%E6%99%82" title="民用時">民用時</a></li> <li><a href="/wiki/%E6%81%92%E6%98%9F%E6%97%B6" title="恒星时">恒星时</a></li> <li><a href="/wiki/%E6%9B%86%E6%9B%B8%E6%99%82" title="曆書時">曆書時</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;">時間標準</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%9C%8B%E9%9A%9B%E5%8E%9F%E5%AD%90%E6%99%82" title="國際原子時">國際原子時</a></li> <li><a href="/wiki/%E5%8D%8F%E8%B0%83%E4%B8%96%E7%95%8C%E6%97%B6" title="协调世界时">協調世界時（UTC）</a></li> <li><a href="/wiki/%E6%A0%BC%E6%9E%97%E5%B0%BC%E6%B2%BB%E6%A8%99%E6%BA%96%E6%99%82%E9%96%93" title="格林尼治標準時間">格林尼治平时（GMT）</a></li> <li><a href="/wiki/%E5%9C%B0%E7%90%83%E6%99%82" title="地球時">地球時（TT）</a></li> <li><a href="/wiki/%E5%8A%9B%E5%AD%A6%E6%97%B6" title="力学时">力學時（DT）</a></li> <li><a href="/wiki/%E6%9C%88%E7%90%83%E6%97%B6" title="月球时">月球时</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;">授時與守時</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">授時</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%8E%9F%E6%99%82" title="原時">原時</a></li> <li><a class="mw-selflink selflink">曆元</a></li> <li><a href="/wiki/%E5%B2%81%E5%B7%AE" class="mw-redirect" title="岁差">岁差</a></li> <li><a href="/wiki/%E5%9D%87%E6%99%82%E5%B7%AE" title="均時差">均時差</a></li> <li><a href="/wiki/%E5%81%95%E6%97%A5%E5%8D%87" title="偕日升">偕日升</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">守時</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E5%9C%B0%E6%96%B9%E5%B9%B3%E6%99%82" title="地方平時">地方平時</a></li> <li><a href="/wiki/%E6%97%B6%E5%8C%BA" title="时区">时区</a></li> <li><a href="/wiki/%E6%A8%99%E6%BA%96%E6%99%82%E9%96%93" title="標準時間">標準時間</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;line-height:12pt;">其他</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><a href="/wiki/%E6%99%82%E9%90%98" title="時鐘">時鐘</a></li> <li><a href="/wiki/%E5%88%86%E9%BB%9E" title="分點">分點</a></li> <li><a href="/wiki/%E6%99%82%E9%96%93%E5%9C%B0%E7%90%86%E5%AD%B8" title="時間地理學">時間地理學</a></li> <li><a href="/wiki/%E6%99%82%E9%96%93%E7%94%9F%E7%89%A9%E5%AD%B8" title="時間生物學">時間生物學</a></li> <li><a href="/wiki/%E6%9C%AA%E6%9D%A5%E5%AD%A6" title="未来学">未来学</a></li> <li><a href="/wiki/%E6%97%B6%E7%A9%BA" title="时空">时空</a></li> <li><a href="/wiki/%E6%97%B6%E9%97%B4%E6%97%85%E8%A1%8C" title="时间旅行">时间旅行</a></li> <li><a href="/wiki/UNIX%E6%97%B6%E9%97%B4" title="UNIX时间">UNIX时间</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div><b>参见</b>：<a href="/wiki/%E6%95%B0%E9%87%8F%E7%BA%A7_(%E6%97%B6%E9%97%B4)" title="数量级 (时间)">数量级 (时间)</a> · <span class="nowrap"><a href="/wiki/%E5%9C%B0%E8%B4%A8%E5%B9%B4%E4%BB%A3" title="地质年代">地质年代</a> ·</span> <span class="nowrap"><a href="/wiki/%E5%B9%B4%E4%BB%A3%E5%AD%A6" title="年代学">年代学</a></span></div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">检索自“<a dir="ltr" href="https://zh.wikipedia.org/w/index.php?title=曆元&oldid=75801836">https://zh.wikipedia.org/w/index.php?title=曆元&oldid=75801836</a>”</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:%E9%A1%B5%E9%9D%A2%E5%88%86%E7%B1%BB" title="Special:页面分类">分类</a>：<ul><li><a href="/wiki/Category:%E5%A4%A9%E7%90%83%E5%9D%90%E6%A0%87%E7%B3%BB%E7%BB%9F" title="Category:天球坐标系统">天球坐标系统</a></li><li><a href="/wiki/Category:%E6%9B%86%E6%B3%95" title="Category:曆法">曆法</a></li><li><a href="/wiki/Category:%E5%A4%A9%E6%96%87%E5%AD%B8%E7%9A%84%E6%99%82%E9%96%93" title="Category:天文學的時間">天文學的時間</a></li><li><a href="/w/index.php?title=Category:%E5%A4%A9%E6%96%87%E6%9B%86%E5%85%83&action=edit&redlink=1" class="new" title="Category:天文曆元（页面不存在）">天文曆元</a></li><li><a href="/wiki/Category:%E5%A4%A9%E6%96%87%E5%AD%A6%E6%9C%AF%E8%AF%AD" title="Category:天文学术语">天文学术语</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">隐藏分类：<ul><li><a href="/wiki/Category:%E8%87%AA2019%E5%B9%B48%E6%9C%88%E9%9C%80%E8%A1%A5%E5%85%85%E6%9D%A5%E6%BA%90%E7%9A%84%E6%9D%A1%E7%9B%AE" title="Category:自2019年8月需补充来源的条目">自2019年8月需补充来源的条目</a></li><li><a href="/wiki/Category:%E6%8B%92%E7%BB%9D%E5%BD%93%E9%80%89%E9%A6%96%E9%A1%B5%E6%96%B0%E6%9D%A1%E7%9B%AE%E6%8E%A8%E8%8D%90%E6%A0%8F%E7%9B%AE%E7%9A%84%E6%9D%A1%E7%9B%AE" title="Category:拒绝当选首页新条目推荐栏目的条目">拒绝当选首页新条目推荐栏目的条目</a></li><li><a href="/wiki/Category:%E5%90%AB%E6%9C%89%E8%8B%B1%E8%AA%9E%E7%9A%84%E6%A2%9D%E7%9B%AE" title="Category:含有英語的條目">含有英語的條目</a></li></ul></div></div> </div> </main> 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