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lang="zh-Hant-TW" dir="ltr"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="https://donate.wikimedia.org/?utm_source=donate&utm_medium=sidebar&utm_campaign=spontaneous&uselang=zh-hant"><span>資助維基百科</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:%E5%88%9B%E5%BB%BA%E8%B4%A6%E6%88%B7&returnto=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&returntoquery=variant%3Dzh-tw" title="我們會鼓勵您建立一個帳號並且登入，即使這不是必要的動作。"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>建立帳號</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:%E7%94%A8%E6%88%B7%E7%99%BB%E5%BD%95&returnto=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&returntoquery=variant%3Dzh-tw" title="建議您先登入，但並非必要。[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>登入</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" lang="zh-Hant-TW" dir="ltr"> <div class="vector-menu-heading"> 用於已登出編輯者的頁面 <a href="/wiki/Help:%E6%96%B0%E6%89%8B%E5%85%A5%E9%96%80" aria-label="了解更多有關編輯"><span>了解更多</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%B4%A1%E7%8C%AE" title="由此 IP 位址編輯的清單[y]" accesskey="y"><span>貢獻</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:%E6%88%91%E7%9A%84%E8%AE%A8%E8%AE%BA%E9%A1%B5" title="對於來自此IP地址編輯的討論[n]" accesskey="n"><span>討論</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="站台"> <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="目次" 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">目次</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">移至側邊欄</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">隱藏</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-恒星周期和會合周期的关系" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#恒星周期和會合周期的关系"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>恆星週期和會合週期的關係</span> </div> </a> <ul id="toc-恒星周期和會合周期的关系-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-计算" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#计算"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>計算</span> </div> </a> <button aria-controls="toc-计算-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>切換計算子章節</span> </button> <ul id="toc-计算-sublist" class="vector-toc-list"> <li id="toc-小天体绕中心天体运转" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#小天体绕中心天体运转"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>小天體繞中心天體運轉</span> </div> </a> <ul id="toc-小天体绕中心天体运转-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-双星" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#双星"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>雙星</span> </div> </a> <ul id="toc-双星-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-参考文献" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#参考文献"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>參考文獻</span> </div> </a> <ul id="toc-参考文献-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-参见" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#参见"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>參見</span> </div> </a> <ul id="toc-参见-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="目次" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" lang="zh-Hant-TW" dir="ltr"> <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="切換目次" > <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">切換目次</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" lang="zh-Hant-TW" dir="ltr"><span class="mw-page-title-main">軌道週期</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" lang="zh-Hant-TW" dir="ltr"> <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="前往別種語言的條目。有 73 種語言可用" > <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-73" 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">73 種語言</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Umlaufzeit" title="Umlaufzeit – 德文（瑞士）" lang="gsw" hreflang="gsw" data-title="Umlaufzeit" data-language-autonym="Alemannisch" data-language-local-name="德文（瑞士）" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Periodo_orbital" title="Periodo orbital – 阿拉貢文" lang="an" hreflang="an" data-title="Periodo orbital" data-language-autonym="Aragonés" data-language-local-name="阿拉貢文" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%95%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A5%80%E0%A4%AF_%E0%A4%85%E0%A4%B5%E0%A4%A7%E0%A4%BF" title="कक्षीय अवधि – 昂加文" lang="anp" hreflang="anp" data-title="कक्षीय अवधि" data-language-autonym="अंगिका" data-language-local-name="昂加文" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AF%D9%88%D8%B1_%D9%85%D8%AF%D8%A7%D8%B1%D9%8A" title="دور مداري – 阿拉伯文" lang="ar" hreflang="ar" data-title="دور مداري" data-language-autonym="العربية" data-language-local-name="阿拉伯文" 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/Periodu_orbital" title="Periodu orbital – 阿斯圖里亞文" lang="ast" hreflang="ast" data-title="Periodu orbital" data-language-autonym="Asturianu" data-language-local-name="阿斯圖里亞文" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Orbital_d%C3%B6vr" title="Orbital dövr – 亞塞拜然文" lang="az" hreflang="az" data-title="Orbital dövr" data-language-autonym="Azərbaycanca" data-language-local-name="亞塞拜然文" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9E%D1%80%D0%B1%D0%B8%D1%82%D0%B0%D0%BB%D0%B5%D0%BD_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4" title="Орбитален период – 保加利亞文" lang="bg" hreflang="bg" data-title="Орбитален период" data-language-autonym="Български" data-language-local-name="保加利亞文" 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%95%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%95%E0%A6%BE%E0%A6%B2" title="কক্ষীয় পর্যায়কাল – 孟加拉文" lang="bn" hreflang="bn" data-title="কক্ষীয় পর্যায়কাল" data-language-autonym="বাংলা" data-language-local-name="孟加拉文" 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/Orbitalni_period" title="Orbitalni period – 波士尼亞文" lang="bs" hreflang="bs" data-title="Orbitalni period" data-language-autonym="Bosanski" data-language-local-name="波士尼亞文" 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/Per%C3%ADode_orbital" title="Període orbital – 加泰蘭文" lang="ca" hreflang="ca" data-title="Període orbital" data-language-autonym="Català" data-language-local-name="加泰蘭文" 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/Doba_ob%C4%9Bhu" title="Doba oběhu – 捷克文" lang="cs" hreflang="cs" data-title="Doba oběhu" data-language-autonym="Čeština" data-language-local-name="捷克文" 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/Siderisk_tid" title="Siderisk tid – 丹麥文" lang="da" hreflang="da" data-title="Siderisk tid" data-language-autonym="Dansk" data-language-local-name="丹麥文" 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/Umlaufzeit" title="Umlaufzeit – 德文" lang="de" hreflang="de" data-title="Umlaufzeit" data-language-autonym="Deutsch" data-language-local-name="德文" 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%A0%CE%B5%CF%81%CE%AF%CE%BF%CE%B4%CE%BF%CF%82_%CF%80%CE%B5%CF%81%CE%B9%CF%86%CE%BF%CF%81%CE%AC%CF%82" title="Περίοδος περιφοράς – 希臘文" lang="el" hreflang="el" data-title="Περίοδος περιφοράς" data-language-autonym="Ελληνικά" data-language-local-name="希臘文" 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/Orbital_period" title="Orbital period – 英文" lang="en" hreflang="en" data-title="Orbital period" data-language-autonym="English" data-language-local-name="英文" 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/Orbita_periodo" title="Orbita periodo – 世界文" lang="eo" hreflang="eo" data-title="Orbita periodo" data-language-autonym="Esperanto" data-language-local-name="世界文" 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/Per%C3%ADodo_orbital" title="Período orbital – 西班牙文" lang="es" hreflang="es" data-title="Período orbital" data-language-autonym="Español" data-language-local-name="西班牙文" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Sideeriline_periood" title="Sideeriline periood – 愛沙尼亞文" lang="et" hreflang="et" data-title="Sideeriline periood" data-language-autonym="Eesti" data-language-local-name="愛沙尼亞文" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Orbita-periodo" title="Orbita-periodo – 巴斯克文" lang="eu" hreflang="eu" data-title="Orbita-periodo" data-language-autonym="Euskara" data-language-local-name="巴斯克文" 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%AA%D9%86%D8%A7%D9%88%D8%A8_%D9%85%D8%AF%D8%A7%D8%B1%DB%8C" title="تناوب مداری – 波斯文" lang="fa" hreflang="fa" data-title="تناوب مداری" data-language-autonym="فارسی" data-language-local-name="波斯文" 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/Kiertoaika" title="Kiertoaika – 芬蘭文" lang="fi" hreflang="fi" data-title="Kiertoaika" data-language-autonym="Suomi" data-language-local-name="芬蘭文" 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/P%C3%A9riode_de_r%C3%A9volution" title="Période de révolution – 法文" lang="fr" hreflang="fr" data-title="Période de révolution" data-language-autonym="Français" data-language-local-name="法文" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Tr%C3%A9imhse_fhithiseach" title="Tréimhse fhithiseach – 愛爾蘭文" lang="ga" hreflang="ga" data-title="Tréimhse fhithiseach" data-language-autonym="Gaeilge" data-language-local-name="愛爾蘭文" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Per%C3%ADodo_orbital" title="Período orbital – 加利西亞文" lang="gl" hreflang="gl" data-title="Período orbital" data-language-autonym="Galego" data-language-local-name="加利西亞文" 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%96%D7%9E%D7%9F_%D7%94%D7%A7%D7%A4%D7%94" title="זמן הקפה – 希伯來文" lang="he" hreflang="he" data-title="זמן הקפה" data-language-autonym="עברית" data-language-local-name="希伯來文" 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%95%E0%A4%95%E0%A5%8D%E0%A4%B7%E0%A5%80%E0%A4%AF_%E0%A4%85%E0%A4%B5%E0%A4%A7%E0%A4%BF" title="कक्षीय अवधि – 印地文" lang="hi" hreflang="hi" data-title="कक्षीय अवधि" data-language-autonym="हिन्दी" data-language-local-name="印地文" 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/Ophodno_vrijeme" title="Ophodno vrijeme – 克羅埃西亞文" lang="hr" hreflang="hr" data-title="Ophodno vrijeme" data-language-autonym="Hrvatski" data-language-local-name="克羅埃西亞文" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Kering%C3%A9si_id%C5%91" title="Keringési idő – 匈牙利文" lang="hu" hreflang="hu" data-title="Keringési idő" data-language-autonym="Magyar" data-language-local-name="匈牙利文" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8D%D5%AB%D5%A4%D5%A5%D6%80%D5%AB%D5%AF_%D5%BA%D5%A1%D6%80%D5%A2%D5%A5%D6%80%D5%B8%D6%82%D5%A9%D5%B5%D5%B8%D6%82%D5%B6" title="Սիդերիկ պարբերություն – 亞美尼亞文" lang="hy" hreflang="hy" data-title="Սիդերիկ պարբերություն" data-language-autonym="Հայերեն" data-language-local-name="亞美尼亞文" 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/Periode_orbit" title="Periode orbit – 印尼文" lang="id" hreflang="id" data-title="Periode orbit" data-language-autonym="Bahasa Indonesia" data-language-local-name="印尼文" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ig mw-list-item"><a href="https://ig.wikipedia.org/wiki/Oge_Orbital" title="Oge Orbital – 伊布文" lang="ig" hreflang="ig" data-title="Oge Orbital" data-language-autonym="Igbo" data-language-local-name="伊布文" class="interlanguage-link-target"><span>Igbo</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Periodo_di_rivoluzione" title="Periodo di rivoluzione – 義大利文" lang="it" hreflang="it" data-title="Periodo di rivoluzione" data-language-autonym="Italiano" data-language-local-name="義大利文" 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%AC%E8%BB%A2%E5%91%A8%E6%9C%9F" title="公転周期 – 日文" lang="ja" hreflang="ja" data-title="公転周期" data-language-autonym="日本語" data-language-local-name="日文" 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%9D%E1%83%A0%E1%83%91%E1%83%98%E1%83%A2%E1%83%90%E1%83%9A%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%9E%E1%83%94%E1%83%A0%E1%83%98%E1%83%9D%E1%83%93%E1%83%98" title="ორბიტალური პერიოდი – 喬治亞文" lang="ka" hreflang="ka" data-title="ორბიტალური პერიოდი" data-language-autonym="ქართული" data-language-local-name="喬治亞文" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Tallit_tamezzayt" title="Tallit tamezzayt – 卡比爾文" lang="kab" hreflang="kab" data-title="Tallit tamezzayt" data-language-autonym="Taqbaylit" data-language-local-name="卡比爾文" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B3%B5%EC%A0%84_%EC%A3%BC%EA%B8%B0" title="공전 주기 – 韓文" lang="ko" hreflang="ko" data-title="공전 주기" data-language-autonym="한국어" data-language-local-name="韓文" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A1%D0%B8%D0%B4%D0%B5%D1%80%D0%B8%D0%BA%D0%B0%D0%BB%D1%8B%D0%BA_%D0%BC%D0%B5%D0%B7%D0%B3%D0%B8%D0%BB" title="Сидерикалык мезгил – 吉爾吉斯文" lang="ky" hreflang="ky" data-title="Сидерикалык мезгил" data-language-autonym="Кыргызча" data-language-local-name="吉爾吉斯文" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Periodus_orbitalis" title="Periodus orbitalis – 拉丁文" lang="la" hreflang="la" data-title="Periodus orbitalis" data-language-autonym="Latina" data-language-local-name="拉丁文" 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/%C3%8Bmlafz%C3%A4it" title="Ëmlafzäit – 盧森堡文" lang="lb" hreflang="lb" data-title="Ëmlafzäit" data-language-autonym="Lëtzebuergesch" data-language-local-name="盧森堡文" 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/%C5%BDvaig%C5%BEdinis_periodas" title="Žvaigždinis periodas – 立陶宛文" lang="lt" hreflang="lt" data-title="Žvaigždinis periodas" data-language-autonym="Lietuvių" data-language-local-name="立陶宛文" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Apri%C5%86%C4%B7ojuma_periods" title="Apriņķojuma periods – 拉脫維亞文" lang="lv" hreflang="lv" data-title="Apriņķojuma periods" data-language-autonym="Latviešu" data-language-local-name="拉脫維亞文" class="interlanguage-link-target"><span>Latviešu</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%B5%D0%BD_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4" title="Орбитален период – 馬其頓文" lang="mk" hreflang="mk" data-title="Орбитален период" data-language-autonym="Македонски" data-language-local-name="馬其頓文" 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%AA%E0%A4%B0%E0%A4%BF%E0%A4%AD%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%A3_%E0%A4%95%E0%A4%BE%E0%A4%B3" title="परिभ्रमण काळ – 馬拉地文" lang="mr" hreflang="mr" data-title="परिभ्रमण काळ" data-language-autonym="मराठी" data-language-local-name="馬拉地文" 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/Tempoh_orbit" title="Tempoh orbit – 馬來文" lang="ms" hreflang="ms" data-title="Tempoh orbit" data-language-autonym="Bahasa Melayu" data-language-local-name="馬來文" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/%C3%9Cmlooptiet" title="Ümlooptiet – 低地德文" lang="nds" hreflang="nds" data-title="Ümlooptiet" data-language-autonym="Plattdüütsch" data-language-local-name="低地德文" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Omlooptijd_(astronomie)" title="Omlooptijd (astronomie) – 荷蘭文" lang="nl" hreflang="nl" data-title="Omlooptijd (astronomie)" data-language-autonym="Nederlands" data-language-local-name="荷蘭文" 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/Baneperiode" title="Baneperiode – 耐諾斯克挪威文" lang="nn" hreflang="nn" data-title="Baneperiode" data-language-autonym="Norsk nynorsk" data-language-local-name="耐諾斯克挪威文" 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/Oml%C3%B8pstid" title="Omløpstid – 巴克摩挪威文" lang="nb" hreflang="nb" data-title="Omløpstid" data-language-autonym="Norsk bokmål" data-language-local-name="巴克摩挪威文" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Peri%C3%B2de_de_revolucion" title="Periòde de revolucion – 奧克西坦文" lang="oc" hreflang="oc" data-title="Periòde de revolucion" data-language-autonym="Occitan" data-language-local-name="奧克西坦文" 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/Okres_orbitalny" title="Okres orbitalny – 波蘭文" lang="pl" hreflang="pl" data-title="Okres orbitalny" data-language-autonym="Polski" data-language-local-name="波蘭文" 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/Per%C3%ADodo_orbital" title="Período orbital – 葡萄牙文" lang="pt" hreflang="pt" data-title="Período orbital" data-language-autonym="Português" data-language-local-name="葡萄牙文" 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/Perioad%C4%83_sinodic%C4%83" title="Perioadă sinodică – 羅馬尼亞文" lang="ro" hreflang="ro" data-title="Perioadă sinodică" data-language-autonym="Română" data-language-local-name="羅馬尼亞文" 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%9E%D1%80%D0%B1%D0%B8%D1%82%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4" title="Орбитальный период – 俄文" lang="ru" hreflang="ru" data-title="Орбитальный период" data-language-autonym="Русский" data-language-local-name="俄文" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Piriudu_di_rivuluzzioni" title="Piriudu di rivuluzzioni – 西西里文" lang="scn" hreflang="scn" data-title="Piriudu di rivuluzzioni" data-language-autonym="Sicilianu" data-language-local-name="西西里文" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Orbitalni_period" title="Orbitalni period – 塞爾維亞克羅埃西亞文" lang="sh" hreflang="sh" data-title="Orbitalni period" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="塞爾維亞克羅埃西亞文" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</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%9A%E0%B7%8F%E0%B6%BD%E0%B7%8F%E0%B7%80%E0%B6%BB%E0%B7%8A%E0%B6%AD%E0%B6%BA" title="කක්ෂීය කාලාවර්තය – 僧伽羅文" lang="si" hreflang="si" data-title="කක්ෂීය කාලාවර්තය" data-language-autonym="සිංහල" data-language-local-name="僧伽羅文" 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_period" title="Orbital period – Simple English" lang="en-simple" hreflang="en-simple" data-title="Orbital period" 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/Obe%C5%BEn%C3%A1_doba_(astron%C3%B3mia)" title="Obežná doba (astronómia) – 斯洛伐克文" lang="sk" hreflang="sk" data-title="Obežná doba (astronómia)" data-language-autonym="Slovenčina" data-language-local-name="斯洛伐克文" 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/Orbitalna_perioda" title="Orbitalna perioda – 斯洛維尼亞文" lang="sl" hreflang="sl" data-title="Orbitalna perioda" data-language-autonym="Slovenščina" data-language-local-name="斯洛維尼亞文" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Periudha_orbitale" title="Periudha orbitale – 阿爾巴尼亞文" lang="sq" hreflang="sq" data-title="Periudha orbitale" data-language-autonym="Shqip" data-language-local-name="阿爾巴尼亞文" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9E%D1%80%D0%B1%D0%B8%D1%82%D0%B0%D0%BB%D0%BD%D0%B8_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4" title="Орбитални период – 塞爾維亞文" lang="sr" hreflang="sr" data-title="Орбитални период" data-language-autonym="Српски / srpski" data-language-local-name="塞爾維亞文" 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/Siderisk_omloppstid" title="Siderisk omloppstid – 瑞典文" lang="sv" hreflang="sv" data-title="Siderisk omloppstid" data-language-autonym="Svenska" data-language-local-name="瑞典文" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Kipindi_cha_mzunguko" title="Kipindi cha mzunguko – 史瓦希里文" lang="sw" hreflang="sw" data-title="Kipindi cha mzunguko" data-language-autonym="Kiswahili" data-language-local-name="史瓦希里文" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/%C3%94kres_%C3%B4rbitalny" title="Ôkres ôrbitalny – 西利西亞文" lang="szl" hreflang="szl" data-title="Ôkres ôrbitalny" data-language-autonym="Ślůnski" data-language-local-name="西利西亞文" class="interlanguage-link-target"><span>Ślůnski</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%95%E0%AF%8D%E0%AE%95%E0%AE%BE%E0%AE%B2%E0%AE%AE%E0%AF%8D" title="சுற்றுக்காலம் – 坦米爾文" lang="ta" hreflang="ta" data-title="சுற்றுக்காலம்" data-language-autonym="தமிழ்" data-language-local-name="坦米爾文" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%95%E0%B0%95%E0%B1%8D%E0%B0%B7%E0%B1%8D%E0%B0%AF%E0%B0%BE_%E0%B0%B5%E0%B1%8D%E0%B0%AF%E0%B0%B5%E0%B0%A7%E0%B0%BF" title="కక్ష్యా వ్యవధి – 泰盧固文" lang="te" hreflang="te" data-title="కక్ష్యా వ్యవధి" data-language-autonym="తెలుగు" data-language-local-name="泰盧固文" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%84%E0%B8%B2%E0%B8%9A%E0%B8%81%E0%B8%B2%E0%B8%A3%E0%B9%82%E0%B8%84%E0%B8%88%E0%B8%A3" title="คาบการโคจร – 泰文" lang="th" hreflang="th" data-title="คาบการโคจร" data-language-autonym="ไทย" data-language-local-name="泰文" 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/Y%C3%B6r%C3%BCnge_periyodu" title="Yörünge periyodu – 土耳其文" lang="tr" hreflang="tr" data-title="Yörünge periyodu" data-language-autonym="Türkçe" data-language-local-name="土耳其文" 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%9E%D1%80%D0%B1%D1%96%D1%82%D0%B0%D0%BB%D1%8C%D0%BD%D0%B8%D0%B9_%D0%BF%D0%B5%D1%80%D1%96%D0%BE%D0%B4" title="Орбітальний період – 烏克蘭文" lang="uk" hreflang="uk" data-title="Орбітальний період" data-language-autonym="Українська" data-language-local-name="烏克蘭文" 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/Orbital_davr" title="Orbital davr – 烏茲別克文" lang="uz" hreflang="uz" data-title="Orbital davr" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="烏茲別克文" 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/Chu_k%E1%BB%B3_qu%E1%BB%B9_%C4%91%E1%BA%A1o" title="Chu kỳ quỹ đạo – 越南文" lang="vi" hreflang="vi" data-title="Chu kỳ quỹ đạo" data-language-autonym="Tiếng Việt" data-language-local-name="越南文" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F" title="轨道周期 – 吳語" lang="wuu" hreflang="wuu" data-title="轨道周期" data-language-autonym="吴语" data-language-local-name="吳語" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E8%BB%8C%E9%81%93%E9%80%B1%E6%9C%9F" title="軌道週期 – 粵語" lang="yue" hreflang="yue" data-title="軌道週期" data-language-autonym="粵語" data-language-local-name="粵語" 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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</div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="頁面工具"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="外觀"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">外觀</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">移至側邊欄</button> <button 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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>沒有列出任何<a href="/wiki/Wikipedia:%E5%88%97%E6%98%8E%E6%9D%A5%E6%BA%90" title="Wikipedia:列明來源">參考或來源</a></b>。<span class="hide-when-compact"></span> <small class="date-container"><i>(<span class="date">2015年5月1日</span>)</i></small><span class="hide-when-compact"><br /><small>維基百科所有的內容都應該<a href="/wiki/Wikipedia:%E5%8F%AF%E4%BE%9B%E6%9F%A5%E8%AD%89" title="Wikipedia:可供查證">可供查證</a>。請協助補充<a href="/wiki/Wikipedia:%E5%8F%AF%E9%9D%A0%E6%9D%A5%E6%BA%90" title="Wikipedia:可靠來源">可靠來源</a>以<a class="external text" href="https://zh.wikipedia.org/w/index.php?title=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&action=edit">改善這篇條目</a>。無法查證的內容可能會因為異議提出而被移除。</small></span><span class="hide-when-compact"></span></div></td></tr></tbody></table> <div id="noteTA-5f97c608" class="noteTA"><div class="noteTA-group"><div data-noteta-group-source="module" data-noteta-group="Physics"></div></div></div> <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 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.sidebar-below{background:inherit!important;color:inherit!important;border-color:#54595d!important}html.skin-theme-clientpref-os .mw-parser-output .sidebar a:not(.new):not(.mw-selflink):link{color:var(--color-progressive)!important}}@media print{body.ns-0 .mw-parser-output .sidebar{display:none!important}}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r84265675"><table class="sidebar sidebar-collapse nomobile nowraplinks"><tbody><tr><th class="sidebar-title">航天動力學</th></tr><tr><td class="sidebar-image" style="padding-bottom:0.85em;"><span typeof="mw:File"><a href="/wiki/File:Angular_Parameters_of_Elliptical_Orbit.png" class="mw-file-description" title="Angular parameters of an elliptical orbit"><img alt="Angular parameters of an elliptical orbit" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Angular_Parameters_of_Elliptical_Orbit.png/180px-Angular_Parameters_of_Elliptical_Orbit.png" decoding="async" width="180" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Angular_Parameters_of_Elliptical_Orbit.png/270px-Angular_Parameters_of_Elliptical_Orbit.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Angular_Parameters_of_Elliptical_Orbit.png/360px-Angular_Parameters_of_Elliptical_Orbit.png 2x" data-file-width="1200" data-file-height="1200" /></a></span></td></tr><tr><th class="sidebar-heading" style="padding-bottom:0.55em;"> <div style="padding:0.1em 0;line-height:1.2em;"><a href="/wiki/%E8%88%AA%E5%A4%A9%E5%8A%A8%E5%8A%9B%E5%AD%A6" title="航天動力學"><span style="font-size:110%;">航天動力學</span></a></div></th></tr><tr><td class="sidebar-content hlist"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title"><a href="/wiki/%E8%BB%8C%E9%81%93%E6%A0%B9%E6%95%B8" title="軌道根數">軌道根數</a></div><div class="sidebar-list-content mw-collapsible-content plainlist" style="padding-top:0;"> <ul><li><a href="/wiki/%E6%8B%B1%E9%BB%9E" title="拱點">拱點</a></li> <li><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><a href="/wiki/%E8%BB%8C%E9%81%93%E9%9B%A2%E5%BF%83%E7%8E%87" title="軌道離心率">離心率</a></li> <li><a href="/wiki/%E8%BB%8C%E9%81%93%E5%82%BE%E8%A7%92" title="軌道傾角">傾角</a></li> <li><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><a href="/wiki/%E8%BB%8C%E9%81%93%E4%BA%A4%E9%BB%9E" title="軌道交點">軌道交點</a></li> <li><a href="/wiki/%E5%8D%8A%E9%95%B7%E8%BB%B8" title="半長軸">半長軸</a></li> <li><a href="/wiki/%E5%8D%8A%E7%9F%AD%E8%BB%B8" title="半短軸">半短軸</a></li> <li><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></ul></div></div></td> </tr><tr><td class="sidebar-content hlist"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title">按離心率的<a href="/wiki/%E4%BA%8C%E9%AB%94%E5%95%8F%E9%A1%8C" title="二體問題">二體軌道</a>的類型</div><div class="sidebar-list-content mw-collapsible-content plainlist" style="padding-top:0;"> <ul><li><span class="ilh-all" data-orig-title="圓軌道" data-lang-code="en" data-lang-name="英語" data-foreign-title="Circular orbit"><span class="ilh-page"><a href="/w/index.php?title=%E5%9C%93%E8%BB%8C%E9%81%93&action=edit&redlink=1" class="new" title="圓軌道（頁面不存在）">圓軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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></li></ul> <div style="padding:0.1em 0;line-height:1.2em;"><span class="ilh-all" data-orig-title="轉移軌道" data-lang-code="en" data-lang-name="英語" data-foreign-title="Transfer orbit"><span class="ilh-page"><a href="/w/index.php?title=%E8%BD%89%E7%A7%BB%E8%BB%8C%E9%81%93&action=edit&redlink=1" class="new" title="轉移軌道（頁面不存在）">轉移軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Transfer_orbit" class="extiw" title="en:Transfer orbit"><span lang="en" dir="auto">Transfer orbit</span></a></span>）</span></span> <div class="hlist" style="font-size:90%"><ul><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><a href="/wiki/%E5%8F%8C%E6%A4%AD%E5%9C%86%E8%BD%AC%E7%A7%BB" title="雙橢圓轉移">雙橢圓轉移軌道</a>)</li></ul></div></div> <ul><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="Hyperbolic trajectory" data-lang-code="en" data-lang-name="英語" data-foreign-title="双曲線軌道"><span class="ilh-page"><a href="/w/index.php?title=Hyperbolic_trajectory&action=edit&redlink=1" class="new" title="Hyperbolic trajectory（頁面不存在）">Hyperbolic trajectory</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/%E5%8F%8C%E6%9B%B2%E7%B7%9A%E8%BB%8C%E9%81%93" class="extiw" title="en:双曲線軌道"><span lang="en" dir="auto">双曲線軌道</span></a></span>）</span></span></li> <li><a href="/w/index.php?title=Radial_trajectory&action=edit&redlink=1" class="new" title="Radial trajectory（頁面不存在）">Radial orbit</a></li> <li><a href="/wiki/%E8%BD%A8%E9%81%93%E8%A1%B0%E5%8F%98" title="軌道衰變">衰變軌道</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content hlist"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title">方程式</div><div class="sidebar-list-content mw-collapsible-content plainlist" style="padding-top:0;"> <ul><li><a href="/wiki/%E5%8B%95%E6%85%8B%E6%91%A9%E6%93%A6" title="動態摩擦">動態摩擦</a></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/%E9%96%8B%E6%99%AE%E5%8B%92%E6%96%B9%E7%A8%8B" title="克卜勒方程式">克卜勒方程式</a></li> <li><a href="/wiki/%E5%BC%80%E6%99%AE%E5%8B%92%E5%AE%9A%E5%BE%8B" title="克卜勒定律">克卜勒定律</a></li> <li><a class="mw-selflink selflink">軌道週期</a></li> <li><a href="/wiki/%E8%BD%A8%E9%81%93%E9%80%9F%E5%BA%A6" title="軌道速度">軌道速度</a></li> <li><a href="/wiki/%E8%A1%A8%E9%9D%A2%E9%87%8D%E5%8A%9B" title="表面重力">表面重力</a></li> <li><a href="/w/index.php?title=Specific_orbital_energy&action=edit&redlink=1" class="new" title="Specific orbital energy（頁面不存在）">Specific orbital energy</a></li> <li><a href="/wiki/%E6%B4%BB%E5%8A%9B%E5%85%AC%E5%BC%8F" title="活力公式">活力公式</a></li></ul></div></div></td> </tr><tr><th class="sidebar-heading" style="padding-bottom:0.55em;"> <div style="padding:0.1em 0;line-height:1.2em;"><a href="/wiki/%E5%A4%A9%E9%AB%94%E5%8A%9B%E5%AD%B8" title="天體力學"><span style="font-size:110%;">天體力學</span></a></div></th></tr><tr><td class="sidebar-content hlist"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title">重力影響</div><div class="sidebar-list-content mw-collapsible-content plainlist" style="padding-top:0;"> <ul><li><a href="/wiki/%E8%B3%AA%E5%BF%83" title="質心">質心</a></li> <li><a href="/wiki/%E5%B8%8C%E7%88%BE%E7%90%83" title="希爾球">希爾球</a></li> <li><a href="/wiki/%E6%94%9D%E5%8B%95" title="攝動">攝動</a></li> <li><a href="/w/index.php?title=Sphere_of_influence_(astrodynamics)&action=edit&redlink=1" class="new" title="Sphere of influence (astrodynamics)（頁面不存在）">Sphere of influence</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content hlist"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title"><a href="/wiki/N%E4%BD%93%E9%97%AE%E9%A2%98" title="N體問題">N體軌道</a></div><div class="sidebar-list-content mw-collapsible-content plainlist" style="padding-top:0;"><div style="padding:0.1em 0;line-height:1.2em;"><a href="/wiki/%E6%8B%89%E6%A0%BC%E6%9C%97%E6%97%A5%E7%82%B9" title="拉格朗日點">拉格朗日點</a> <div class="hlist" style="font-size:90%"><ul><li>(<a href="/wiki/%E6%99%95%E8%BD%AE%E8%BD%A8%E9%81%93" title="暈輪軌道">暈輪軌道</a>)</li></ul></div></div> <ul><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> <li><a href="/wiki/%E6%9D%8E%E9%9B%85%E6%99%AE%E8%AF%BA%E5%A4%AB%E7%A8%B3%E5%AE%9A%E6%80%A7" title="李雅普諾夫穩定性">李雅普諾夫軌道</a></li></ul></div></div></td> </tr><tr><th class="sidebar-heading" style="padding-bottom:0.55em;"> <div style="padding:0.1em 0;line-height:1.2em;"><a href="/wiki/%E8%88%AA%E7%A9%BA%E5%A4%AA%E7%A9%BA%E5%B7%A5%E7%A8%8B%E5%AD%B8" class="mw-redirect" title="航空太空工程學"><span style="font-size:110%;">工程與效率</span></a></div></th></tr><tr><td class="sidebar-content hlist"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title">飛行前工程</div><div class="sidebar-list-content mw-collapsible-content plainlist" style="padding-top:0;"> <ul><li><a href="/w/index.php?title=Mass_ratio&action=edit&redlink=1" class="new" title="Mass ratio（頁面不存在）">Mass ratio</a></li> <li><span class="ilh-all" data-orig-title="有效載荷分數" data-lang-code="en" data-lang-name="英語" data-foreign-title="Payload fraction"><span class="ilh-page"><a href="/w/index.php?title=%E6%9C%89%E6%95%88%E8%BC%89%E8%8D%B7%E5%88%86%E6%95%B8&action=edit&redlink=1" class="new" title="有效載荷分數（頁面不存在）">有效載荷分數</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</span><span class="ilh-colon">：</span><span class="ilh-link"><a href="https://en.wikipedia.org/wiki/Payload_fraction" class="extiw" title="en:Payload fraction"><span lang="en" dir="auto">Payload fraction</span></a></span>）</span></span></li> <li><a href="/w/index.php?title=Propellant_mass_fraction&action=edit&redlink=1" class="new" title="Propellant mass fraction（頁面不存在）">Propellant mass fraction</a></li> <li><a href="/wiki/%E7%81%AB%E7%AE%AD%E6%96%B9%E7%A8%8B" title="火箭方程式">火箭方程式</a></li></ul></div></div></td> </tr><tr><td class="sidebar-content hlist"> <div class="sidebar-list mw-collapsible mw-collapsed"><div class="sidebar-list-title">效率措施</div><div class="sidebar-list-content mw-collapsible-content plainlist" style="padding-top:0;"> <ul><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><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">奧伯特效應</a></li></ul></div></div></td> </tr><tr><td class="sidebar-navbar" style="line-height:1.6"><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%88%AA%E5%A4%A9%E5%8A%A8%E5%8A%9B%E5%AD%A6" title="Template:航天動力學"><abbr title="檢視該模板">閱</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:%E8%88%AA%E5%A4%A9%E5%8A%A8%E5%8A%9B%E5%AD%A6" title="Template talk:航天動力學"><abbr title="討論該模板">論</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%88%AA%E5%A4%A9%E5%8A%A8%E5%8A%9B%E5%AD%A6" title="Special:編輯頁面/Template:航天動力學"><abbr title="編輯該模板">編</abbr></a></li></ul></div></td></tr></tbody></table> <p><b>軌道<a href="/wiki/%E5%91%A8%E6%9C%9F" class="mw-redirect" title="週期">週期</a></b>指一顆<a href="/wiki/%E8%A1%8C%E6%98%9F" title="行星">行星</a>（或其他天體）環繞軌道一周需要的時間。 </p><p>環繞太陽運行的星體有幾種不同的軌道週期： </p> <ul><li><b>恆星週期</b>（英語：<span lang="en">sidereal period</span>）是一顆行星環繞恆星公轉一整圈回到軌道上原來的位置所需要的時間。這是一顆行星真正的軌道週期，也是一般所指的公轉週期。</li> <li><b>會合週期</b>（<span lang="en">synodic period</span>）是一顆行星環繞恆星公轉一整圈回到從地球的角度觀察到的天球上原來的位置所需要的時間。這是一顆行星在回到軌道起點之間的間隔。會合週期與恆星週期之所以不同是因為地球本身也環繞著太陽公轉。</li> <li><b>交點週期</b>（<span lang="en">nodal period</span>）是一顆行星環繞恆星公轉一整圈兩次經過交點之間所需要的時間。一顆行星的交點是它從南半天球跨越<a href="/wiki/%E9%BB%84%E9%81%93" title="黃道">黃道</a>進入北半天球的那一點。交點週期與公轉週期之所以不同是因為一顆行星的交點線會慢慢地由歲差而移動。</li> <li><b>近點週期</b>（<span lang="en">anomalistic period</span>）是一顆行星環繞恆星公轉一整圈兩次經過近恆點之間所需要的時間。一顆行星的近恆點是它軌道上最接近恆星的那一點。近點週期與公轉週期之所以不同是因為一顆行星的副軸會慢慢地由歲差而移動。</li> <li><b>回歸週期</b>（<span lang="en">tropical period</span>）是一顆行星環繞恆星公轉一整圈兩次經過<a href="/wiki/%E8%B5%A4%E7%BB%8F" title="赤經">赤經</a>0度之間所需要的時間。回歸週期比公轉週期稍短一些，因為<a href="/wiki/%E6%98%A5%E5%88%86%E7%82%B9" class="mw-redirect" title="春分點">春分點</a>會慢慢地由歲差而移動。</li></ul> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="恒星周期和會合周期的关系"><span id=".E6.81.92.E6.98.9F.E5.91.A8.E6.9C.9F.E5.92.8C.E6.9C.83.E5.90.88.E5.91.A8.E6.9C.9F.E7.9A.84.E5.85.B3.E7.B3.BB"></span>恆星週期和會合週期的關係</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&action=edit&section=1" title="編輯章節：恆星週期和會合週期的關係"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/%E5%93%A5%E7%99%BD%E5%B0%BC" class="mw-redirect" title="哥白尼">哥白尼</a>導出一個<a href="/wiki/%E6%95%B0%E5%AD%A6" title="數學">數學</a><a href="/wiki/%E5%85%AC%E5%BC%8F" title="公式">公式</a>，通過會合週期計算恆星週期。 </p><p>常用縮寫 </p> <dl><dd><i>E</i> = 地球的恆星週期</dd> <dd><i>P</i> = 其它行星球的<a href="/wiki/%E6%81%92%E6%98%9F%E5%B9%B4" title="恆星年">恆星年</a></dd> <dd><i>S</i> = 其它行星的會合週期</dd></dl> <p>在時間<i>S</i>內，地球向前移動角度是（360°/<i>E</i>）<i>S</i>（假設為圓形軌道），星星移動的角度是（360°/<i>P</i>）<i>S</i>. </p><p>如果天體是一顆內部行星，就是說它環繞太陽公轉一整圈所需要的時間比地球短： </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 {\frac {S}{P}}360^{\circ }={\frac {S}{E}}360^{\circ }+360^{\circ }}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>S</mi> <mi>P</mi> </mfrac> </mrow> <msup> <mn>360</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>∘</mo> </mrow> </msup> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>S</mi> <mi>E</mi> </mfrac> </mrow> <msup> <mn>360</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>∘</mo> </mrow> </msup> <mo>+</mo> <msup> <mn>360</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>∘</mo> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {S}{P}}360^{\circ }={\frac {S}{E}}360^{\circ }+360^{\circ }}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f61efbf0328f4f82941bc5c339b58926c8627502" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:24.757ex; height:5.343ex;" alt="{\displaystyle {\frac {S}{P}}360^{\circ }={\frac {S}{E}}360^{\circ }+360^{\circ }}"></span></dd></dl> <p>使用<a href="/wiki/%E4%BB%A3%E6%95%B0" title="代數">代數</a>來簡化： </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 S={\frac {1}{{\frac {1}{P}}-{\frac {1}{E}}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>S</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>P</mi> </mfrac> </mrow> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>E</mi> </mfrac> </mrow> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle S={\frac {1}{{\frac {1}{P}}-{\frac {1}{E}}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/2410f9b15d6f5ba4e69211ebcabc1b0eb1e07ee2" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.505ex; width:12.436ex; height:6.843ex;" alt="{\displaystyle S={\frac {1}{{\frac {1}{P}}-{\frac {1}{E}}}}}"></span></dd></dl> <p>如果天體是一顆外部行星，就是說它環繞太陽公轉一整圈所需要的時間比地球長： </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 {\frac {S}{P}}360^{\circ }={\frac {S}{E}}360^{\circ }-360^{\circ }}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>S</mi> <mi>P</mi> </mfrac> </mrow> <msup> <mn>360</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>∘</mo> </mrow> </msup> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>S</mi> <mi>E</mi> </mfrac> </mrow> <msup> <mn>360</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>∘</mo> </mrow> </msup> <mo>−</mo> <msup> <mn>360</mn> <mrow class="MJX-TeXAtom-ORD"> <mo>∘</mo> </mrow> </msup> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\frac {S}{P}}360^{\circ }={\frac {S}{E}}360^{\circ }-360^{\circ }}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/666c9e4d08f732c820892f10b168d4e0eb5d5c64" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:24.757ex; height:5.343ex;" alt="{\displaystyle {\frac {S}{P}}360^{\circ }={\frac {S}{E}}360^{\circ }-360^{\circ }}"></span></dd></dl> <p>使用<a href="/wiki/%E4%BB%A3%E6%95%B0" title="代數">代數</a>來簡化： </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 S={\frac {1}{{\frac {1}{E}}-{\frac {1}{P}}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>S</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mrow> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>E</mi> </mfrac> </mrow> <mo>−</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mn>1</mn> <mi>P</mi> </mfrac> </mrow> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle S={\frac {1}{{\frac {1}{E}}-{\frac {1}{P}}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0d827d1617a96d4678078b1ccf4111cce61cf076" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.505ex; width:12.436ex; height:6.843ex;" alt="{\displaystyle S={\frac {1}{{\frac {1}{E}}-{\frac {1}{P}}}}}"></span></dd></dl> <p>從地球和天體角速度的差異來看，這兩個公式非常容易理解。天體的視角速度等於它的角速度減去地球的角速度，而恆星週期就是一個圓周除以這個天體的視角速度。 </p><p>太陽系各行星及冥王星、穀神星相對地球的會合週期： </p> <table> <tbody><tr> <td>  </td> <td><b>恆星週期</b>（<a href="/wiki/%E5%B9%B4" title="年">年</a>） </td> <td><b>會合週期</b>（年） </td> <td><b>會合週期</b>（<a href="/wiki/%E6%97%A5" title="日">日</a>） </td></tr> <tr> <td><a href="/wiki/%E6%B0%B4%E6%98%9F" title="水星">水星</a> </td> <td>0.241 </td> <td>0.317 </td> <td>115.9 </td></tr> <tr> <td><a href="/wiki/%E9%87%91%E6%98%9F" title="金星">金星</a> </td> <td>0.615 </td> <td>1.599 </td> <td>583.9 </td></tr> <tr> <td><a href="/wiki/%E5%9C%B0%E7%90%83" title="地球">地球</a> </td> <td><b>1</b> </td> <td>— </td> <td>— </td></tr> <tr> <td><a href="/wiki/%E6%9C%88%E7%90%83" title="月球">月球</a> </td> <td>0.0748 </td> <td>0.0809 </td> <td>29.5306 </td></tr> <tr> <td><a href="/wiki/%E7%81%AB%E6%98%9F" title="火星">火星</a> </td> <td>1.881 </td> <td>2.135 </td> <td>779.94 </td></tr> <tr> <td><a href="/wiki/%E8%B0%B7%E7%A5%9E%E6%98%9F" class="mw-redirect" title="穀神星">穀神星</a> </td> <td>4.600 </td> <td>1.278 </td> <td>466.7 </td></tr> <tr> <td><a href="/wiki/%E6%9C%A8%E6%98%9F" title="木星">木星</a> </td> <td>11.8618 </td> <td>1.092 </td> <td>398.9 </td></tr> <tr> <td><a href="/wiki/%E5%9C%9F%E6%98%9F" title="土星">土星</a> </td> <td>29.45 </td> <td>1.035 </td> <td>378.1 </td></tr> <tr> <td><a href="/wiki/%E5%A4%A9%E7%8E%8B%E6%98%9F" title="天王星">天王星</a> </td> <td>84.07 </td> <td>1.012 </td> <td>369.7 </td></tr> <tr> <td><a href="/wiki/%E6%B5%B7%E7%8E%8B%E6%98%9F" title="海王星">海王星</a> </td> <td>164.9 </td> <td>1.006 </td> <td>367.5 </td></tr> <tr> <td><a href="/wiki/%E5%86%A5%E7%8E%8B%E6%98%9F" title="冥王星">冥王星</a> </td> <td>248.1 </td> <td>1.004 </td> <td>366.7 </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="计算"><span id=".E8.AE.A1.E7.AE.97"></span>計算</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&action=edit&section=2" title="編輯章節：計算"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="小天体绕中心天体运转"><span id=".E5.B0.8F.E5.A4.A9.E4.BD.93.E7.BB.95.E4.B8.AD.E5.BF.83.E5.A4.A9.E4.BD.93.E8.BF.90.E8.BD.AC"></span>小天體繞中心天體運轉</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&action=edit&section=3" title="編輯章節：小天體繞中心天體運轉"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/%E5%A4%A9%E6%96%87%E5%AD%A6" class="mw-redirect" title="天文學">天文學</a>中繞中心天體在圓形或者橢圓軌道上運轉的小天體軌道週期為： </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 T=2\pi {\sqrt {\frac {a^{3}}{\mu }}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>T</mi> <mo>=</mo> <mn>2</mn> <mi>π</mi> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mfrac> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mi>μ</mi> </mfrac> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T=2\pi {\sqrt {\frac {a^{3}}{\mu }}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/84a962a4e5da8183f6a38ef23d0a5a9452667148" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.171ex; width:12.673ex; height:7.676ex;" alt="{\displaystyle T=2\pi {\sqrt {\frac {a^{3}}{\mu }}}}"></span></dd> <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 \mu =GM}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>μ</mi> <mo>=</mo> <mi>G</mi> <mi>M</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mu =GM}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/183d080fad6c5e9292cd08bc28897f334189b75f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:8.769ex; height:2.676ex;" alt="{\displaystyle \mu =GM}"></span>，〈<a href="/wiki/%E6%A8%99%E6%BA%96%E9%87%8D%E5%8A%9B%E5%8F%83%E6%95%B8" title="標準重力參數">標準重力參數</a>〉</dd></dl> <p>其中： </p> <ul><li><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 a}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ffd2487510aa438433a2579450ab2b3d557e5edc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.23ex; height:1.676ex;" alt="{\displaystyle a}"></span>，是軌道<a href="/wiki/%E5%8D%8A%E9%95%BF%E8%BD%B4" class="mw-redirect" title="半長軸">半長軸</a>長度,</li> <li><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 G}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>G</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle G}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f5f3c8921a3b352de45446a6789b104458c9f90b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.827ex; height:2.176ex;" alt="{\displaystyle G}"></span>，是<a href="/wiki/%E5%BC%95%E5%8A%9B%E5%B8%B8%E6%95%B0" class="mw-redirect" title="重力常數">重力常數</a>,</li> <li><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 M}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>M</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f82cade9898ced02fdd08712e5f0c0151758a0dd" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.442ex; height:2.176ex;" alt="{\displaystyle M}"></span>，是中心天體質量</li></ul> <p><i>T</i>小時, <i>R</i>天體半徑若太陽為中心天體，我們簡單的設 </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 T={\sqrt {a^{3}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>T</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T={\sqrt {a^{3}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8073f9e9d38f6eaa5ff50e677b526ed022ce38a4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:9.343ex; height:3.343ex;" alt="{\displaystyle T={\sqrt {a^{3}}}}"></span></dd></dl> <p><i>T</i>單位年, <i>a</i>表示距離<a href="/wiki/%E5%A4%A9%E6%96%87%E5%8D%95%E4%BD%8D" class="mw-redirect" title="天文單位">天文單位</a>。等同於<a href="/wiki/%E5%BC%80%E6%99%AE%E5%8B%92%E8%A1%8C%E6%98%9F%E8%BF%90%E5%8A%A8%E5%AE%9A%E5%BE%8B" class="mw-redirect" title="克卜勒行星運動定律">克卜勒第三定律</a>。 </p> <div class="mw-heading mw-heading3"><h3 id="双星"><span id=".E5.8F.8C.E6.98.9F"></span>雙星</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&action=edit&section=4" title="編輯章節：雙星"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>在<a href="/wiki/%E5%A4%A9%E4%BD%93%E5%8A%9B%E5%AD%A6" class="mw-redirect" title="天體力學">天體力學</a>中，若考慮兩個天體質量，則<b>軌道週期T</b>可以這樣計算:<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> </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 T=2\pi {\sqrt {\frac {a^{3}}{G\left(M_{1}+M_{2}\right)}}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>T</mi> <mo>=</mo> <mn>2</mn> <mi>π</mi> <mrow class="MJX-TeXAtom-ORD"> <msqrt> <mfrac> <msup> <mi>a</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msup> <mrow> <mi>G</mi> <mrow> <mo>(</mo> <mrow> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> <mo>+</mo> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mrow> <mo>)</mo> </mrow> </mrow> </mfrac> </msqrt> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle T=2\pi {\sqrt {\frac {a^{3}}{G\left(M_{1}+M_{2}\right)}}}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3e3b818e77117af84080cc6130389c9908f2fde8" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -3.338ex; width:23.869ex; height:7.676ex;" alt="{\displaystyle T=2\pi {\sqrt {\frac {a^{3}}{G\left(M_{1}+M_{2}\right)}}}}"></span></dd></dl> <p>其中： </p> <ul><li><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 a}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>a</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle a}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/ffd2487510aa438433a2579450ab2b3d557e5edc" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.23ex; height:1.676ex;" alt="{\displaystyle a}"></span>，是兩個天體的質心運動的橢圓軌道半長軸總和，換言之，在以在以一個天體為原點的參考系中（即兩者兩者不斷分離的橢圓軌道）中，另一個天體橢圓軌道的半長軸</li> <li><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 M_{1}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>1</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M_{1}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/577d686fc81d1d1eb3ae54e78aeee8957baf6718" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.308ex; height:2.509ex;" alt="{\displaystyle M_{1}}"></span>+<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 M_{2}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>M</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle M_{2}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/0d5d4dffae5ee0db4cc433e252ee9ed7530e5cf0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.308ex; height:2.509ex;" alt="{\displaystyle M_{2}}"></span>，是兩個天體質量之和，</li> <li><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 G}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>G</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle G}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f5f3c8921a3b352de45446a6789b104458c9f90b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.827ex; height:2.176ex;" alt="{\displaystyle G}"></span>，是<a href="/wiki/%E5%BC%95%E5%8A%9B%E5%B8%B8%E6%95%B0" class="mw-redirect" title="重力常數">重力常數</a>。</li></ul> <div class="mw-heading mw-heading2"><h2 id="参考文献"><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span>參考文獻</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&action=edit&section=5" title="編輯章節：參考文獻"><span>編輯</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">Bradley W. Carroll, Dale A. Ostlie. An introduction to modern astrophysics. 2nd edition. Pearson 2007.</span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="参见"><span id=".E5.8F.82.E8.A7.81"></span>參見</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F&action=edit&section=6" title="編輯章節：參見"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <div role="navigation" aria-label="Portals" class="noprint portal plainlist tright" style="margin:0.5em 0 0.5em 1em;border:solid #aaa 1px"> <ul style="display:table;box-sizing:border-box;padding:0.1em;max-width:175px;background:var(--background-color-base,#f9f9f9);font-size:85%;line-height:110%;font-weight:bold"> <li style="display:table-row"><span style="display:table-cell;padding:0.2em;vertical-align:middle;text-align:center"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/00/Crab_Nebula.jpg/28px-Crab_Nebula.jpg" decoding="async" width="28" 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.navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf;position:relative}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em;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"><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:%E8%BB%8C%E9%81%93" title="Template:軌道"><abbr title="檢視該模板">閱</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="討論該模板">論</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:編輯頁面/Template:軌道"><abbr title="編輯該模板">編</abbr></a></li></ul></div><div id="引力的轨道" style="font-size:110%;margin:0 5em">重力的<a href="/wiki/%E8%BD%A8%E9%81%93_(%E5%8A%9B%E5%AD%A6)" title="軌道 (力學)">軌道</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="軌道 (力學)">類型</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="英語" 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="圓軌道（頁面不存在）">圓軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="大橢圓軌道">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">逃逸軌道</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="英語" 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="雙曲線軌道（頁面不存在）">雙曲線軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="傾斜軌道（頁面不存在）">傾斜軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="無傾斜軌道（頁面不存在）">無傾斜軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="拉格朗日點">拉格朗日點</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="英語" 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="停泊軌道（頁面不存在）">停泊軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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">順行/逆行</a></li> <li><a href="/wiki/%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93" title="同步軌道">同步軌道</a> <ul><li><a href="/wiki/%E5%8D%8A%E5%90%8C%E6%AD%A5%E8%BD%A8%E9%81%93" title="半同步軌道">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="英語" 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="亞同步軌道（頁面不存在）">亞同步</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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">轉移軌道</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="地心軌道">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="地球同步軌道">地球同步軌道</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="墓地軌道">墓地軌道</a></li> <li><a href="/wiki/%E8%BF%91%E5%9C%B0%E8%BD%A8%E9%81%93" title="近地軌道">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="中地球軌道">中地球軌道</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="閃電軌道">閃電軌道</a></li> <li><span class="ilh-all" data-orig-title="近赤道轨道" data-lang-code="en" data-lang-name="英語" 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="近赤道軌道（頁面不存在）">近赤道軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="極軌道">極軌道</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="太陽同步軌道">太陽同步軌道</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="火星軌道">火星軌道</a></li> <li><span class="ilh-all" data-orig-title="火星同步轨道" data-lang-code="en" data-lang-name="英語" 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="火星同步軌道（頁面不存在）">火星同步軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="火星靜止軌道（頁面不存在）">火星靜止軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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>拉格朗日點 <ul><li><span class="ilh-all" data-orig-title="远距离逆行轨道" data-lang-code="en" data-lang-name="英語" 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="遠距離逆行軌道（頁面不存在）">遠距離逆行軌道</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="暈輪軌道">暈輪軌道</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="繞月軌道">繞月軌道</a></li> <li>太陽 <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="地球軌道">地球軌道</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="太陽同步軌道">太陽同步軌道</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">參數</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>形狀</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">離心率</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">傾角</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">升交點經度</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">變化</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 class="mw-selflink selflink">軌道週期</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="平均運動">平均運動</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="軌道速度">軌道速度</a></li> <li><span class="serif"><span class="texhtml"><i>t</i><sub>0</sub></span></span>  <a href="/wiki/%E6%9B%86%E5%85%83" title="曆元">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="英語" 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="軌道機動（頁面不存在）">機動</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="雙橢圓轉移">雙橢圓轉移</a></li> <li><span class="ilh-all" data-orig-title="碰撞规避" data-lang-code="en" data-lang-name="英語" 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="碰撞規避（頁面不存在）">碰撞規避</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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預算（頁面不存在）">ΔV預算</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="重力轉向（頁面不存在）">重力轉向</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="軌道傾角更改（頁面不存在）">軌道傾角更改</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="低能量轉移">低能量轉移</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">奧伯特效應</a></li> <li><span class="ilh-all" data-orig-title="轨道定相" data-lang-code="en" data-lang-name="英語" 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="軌道定相（頁面不存在）">定相</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="火箭方程式">火箭方程式</a></li> <li><a href="/wiki/%E7%A9%BA%E9%96%93%E4%BA%A4%E6%9C%83" title="空間交會">交會</a></li> <li><span class="ilh-all" data-orig-title="转位、对接和提取" data-lang-code="en" data-lang-name="英語" 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="轉位、對接和提取（頁面不存在）">轉位、對接和提取</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="航天動力學">航天動力學</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="天球坐標系統">天球坐標系統</a></li> <li><span class="ilh-all" data-orig-title="特征能量" data-lang-code="en" data-lang-name="英語" 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="特徵能量（頁面不存在）">特徵能量</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="星下點軌跡（頁面不存在）">星下點軌跡</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="行星際運輸網絡（頁面不存在）">行星際運輸網絡</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="克卜勒定律">克卜勒定律</a></li> <li><a href="/wiki/%E6%8B%89%E6%A0%BC%E6%9C%97%E6%97%A5%E7%82%B9" title="拉格朗日點">拉格朗日點</a></li> <li><a href="/wiki/N%E4%BD%93%E9%97%AE%E9%A2%98" title="N體問題">N體問題</a></li> <li><span class="ilh-all" data-orig-title="轨道方程" data-lang-code="en" data-lang-name="英語" 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="軌道方程式（頁面不存在）">軌道方程式</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="軌道狀態向量（頁面不存在）">軌道狀態向量</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="英語" 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="比軌道能量（頁面不存在）">比軌道能量</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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="比角動量">比角動量</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="兩行軌道要素形式">兩行軌道要素形式</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><span typeof="mw:File"><span title="列表級條目"><img alt="列表級條目" 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="英語" 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="軌道列表（頁面不存在）">軌道列表</a></span><span class="noprint ilh-comment">（<span class="ilh-lang">英語</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><noscript><img 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