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[f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="විශේෂ:ගවේෂණය"> </div> <button class="cdx-button cdx-search-input__end-button">සොයන්න</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="පුද්ගලික මෙවලම්"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" 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> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_si.wikipedia.org&uselang=si" class=""><span>පරිත්‍යාග</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B6%9C%E0%B7%92%E0%B6%AB%E0%B7%94%E0%B6%B8_%E0%B6%AD%E0%B7%90%E0%B6%B1%E0%B7%93%E0%B6%B8%E0%B6%A7&returnto=%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="ඔබ ගිණුමක් තනා පිවිසෙන්නේ නම් මැනවි; කෙසේ වුවත්, එය අනිවාර්ය නොවේ." class=""><span>ගිණුමක් තනන්න</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B6%B4%E0%B6%BB%E0%B7%92%E0%B7%81%E0%B7%93%E0%B6%BD%E0%B6%9A_%E0%B6%B4%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B7%80%E0%B7%92%E0%B7%82%E0%B7%8A%E0%B6%A7%E0%B6%BA&returnto=%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="අඩවියට පිවිසීමට ඔබව දිරිගැන්වේ. එහෙත් පිවිසීම අනිවාර්ය නොවේ. [o]" accesskey="o" class=""><span>පිවිසෙන්න</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="More options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="පුද්ගලික මෙවලම්" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">පුද්ගලික මෙවලම්</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <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="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_si.wikipedia.org&uselang=si"><span>පරිත්‍යාග</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B6%9C%E0%B7%92%E0%B6%AB%E0%B7%94%E0%B6%B8_%E0%B6%AD%E0%B7%90%E0%B6%B1%E0%B7%93%E0%B6%B8%E0%B6%A7&returnto=%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="ඔබ ගිණුමක් තනා පිවිසෙන්නේ නම් මැනවි; කෙසේ වුවත්, එය අනිවාර්ය නොවේ."><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>ගිණුමක් තනන්න</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B6%B4%E0%B6%BB%E0%B7%92%E0%B7%81%E0%B7%93%E0%B6%BD%E0%B6%9A_%E0%B6%B4%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B7%80%E0%B7%92%E0%B7%82%E0%B7%8A%E0%B6%A7%E0%B6%BA&returnto=%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="අඩවියට පිවිසීමට ඔබව දිරිගැන්වේ. එහෙත් පිවිසීම අනිවාර්ය නොවේ. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>පිවිසෙන්න</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/%E0%B6%8B%E0%B6%AF%E0%B7%80%E0%B7%94:Introduction" aria-label="Learn more about editing"><span>learn more</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/%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B6%B8%E0%B6%9C%E0%B7%9A_%E0%B6%AF%E0%B7%8F%E0%B6%BA%E0%B6%9A%E0%B6%AD%E0%B7%8A%E0%B7%80%E0%B6%BA" title="A list of edits made from this IP address [y]" accesskey="y"><span>දායකත්වයන්</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B6%B8%E0%B6%9C%E0%B7%9A_%E0%B7%83%E0%B7%8F%E0%B6%9A%E0%B6%A0%E0%B7%8A%E0%B6%A1%E0%B7%8F%E0%B7%80" title="මෙම අන්තර්ජාල ලිපිනයෙන් කර ඇති සංස්කරණයන් පිළිබඳ සාකච්ඡාව [n]" accesskey="n"><span>සාකච්ඡාව</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="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">කක්ෂීය කාලාවර්තය</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 73 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-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 languages</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 – ස්විස් ජර්මානු" lang="gsw" hreflang="gsw" data-title="Umlaufzeit" data-language-autonym="Alemannisch" data-language-local-name="ස්විස් ජර්මානු" 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 – ඇරගොනීස්" lang="an" hreflang="an" data-title="Periodo orbital" data-language-autonym="Aragonés" data-language-local-name="ඇරගොනීස්" 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 – අන්ගික" lang="anp" hreflang="anp" data-title="कक्षीय अवधि" data-language-autonym="अंगिका" data-language-local-name="අන්ගික" 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 – අරාබි" lang="ar" hreflang="ar" data-title="دور مداري" data-language-autonym="العربية" data-language-local-name="අරාබි" 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 – ඇස්ටියුරියන්" lang="ast" hreflang="ast" data-title="Periodu orbital" data-language-autonym="Asturianu" data-language-local-name="ඇස්ටියුරියන්" 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 – අසර්බයිජාන්" lang="az" hreflang="az" data-title="Orbital dövr" data-language-autonym="Azərbaycanca" data-language-local-name="අසර්බයිජාන්" 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 – බල්ගේරියානු" lang="bg" hreflang="bg" data-title="Орбитален период" data-language-autonym="Български" data-language-local-name="බල්ගේරියානු" 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 – බෙංගාලි" lang="bn" hreflang="bn" data-title="কক্ষীয় পর্যায়কাল" data-language-autonym="বাংলা" data-language-local-name="බෙංගාලි" 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 – බොස්නියානු" lang="bs" hreflang="bs" data-title="Orbitalni period" data-language-autonym="Bosanski" data-language-local-name="බොස්නියානු" 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 – කැටලන්" lang="ca" hreflang="ca" data-title="Període orbital" data-language-autonym="Català" data-language-local-name="කැටලන්" 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 – චෙක්" lang="cs" hreflang="cs" data-title="Doba oběhu" data-language-autonym="Čeština" data-language-local-name="චෙක්" 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 – ඩැනිශ්" lang="da" hreflang="da" data-title="Siderisk tid" data-language-autonym="Dansk" data-language-local-name="ඩැනිශ්" 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 – ජර්මන්" lang="de" hreflang="de" data-title="Umlaufzeit" data-language-autonym="Deutsch" data-language-local-name="ජර්මන්" 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 – ග්‍රීක" lang="el" hreflang="el" data-title="Περίοδος περιφοράς" data-language-autonym="Ελληνικά" data-language-local-name="ග්‍රීක" 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 – ඉංග්‍රීසි" lang="en" hreflang="en" data-title="Orbital period" data-language-autonym="English" data-language-local-name="ඉංග්‍රීසි" 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 – එස්පැරන්ටෝ" lang="eo" hreflang="eo" data-title="Orbita periodo" data-language-autonym="Esperanto" data-language-local-name="එස්පැරන්ටෝ" 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 – ස්පාඤ්ඤ" lang="es" hreflang="es" data-title="Período orbital" data-language-autonym="Español" data-language-local-name="ස්පාඤ්ඤ" 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 – එස්තෝනියානු" lang="et" hreflang="et" data-title="Sideeriline periood" data-language-autonym="Eesti" data-language-local-name="එස්තෝනියානු" 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 – බාස්ක්" lang="eu" hreflang="eu" data-title="Orbita-periodo" data-language-autonym="Euskara" data-language-local-name="බාස්ක්" 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 – පර්සියානු" lang="fa" hreflang="fa" data-title="تناوب مداری" data-language-autonym="فارسی" data-language-local-name="පර්සියානු" 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 – ෆින්ලන්ත" lang="fi" hreflang="fi" data-title="Kiertoaika" data-language-autonym="Suomi" data-language-local-name="ෆින්ලන්ත" 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 – ප්‍රංශ" lang="fr" hreflang="fr" data-title="Période de révolution" data-language-autonym="Français" data-language-local-name="ප්‍රංශ" 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 – අයර්ලන්ත" lang="ga" hreflang="ga" data-title="Tréimhse fhithiseach" data-language-autonym="Gaeilge" data-language-local-name="අයර්ලන්ත" 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 – ගැලීසියානු" lang="gl" hreflang="gl" data-title="Período orbital" data-language-autonym="Galego" data-language-local-name="ගැලීසියානු" 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 – හීබෲ" lang="he" hreflang="he" data-title="זמן הקפה" data-language-autonym="עברית" data-language-local-name="හීබෲ" 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 – හින්දි" lang="hi" hreflang="hi" data-title="कक्षीय अवधि" data-language-autonym="हिन्दी" data-language-local-name="හින්දි" 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 – කෝඒෂියානු" lang="hr" hreflang="hr" data-title="Ophodno vrijeme" data-language-autonym="Hrvatski" data-language-local-name="කෝඒෂියානු" 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 – හන්ගේරියානු" lang="hu" hreflang="hu" data-title="Keringési idő" data-language-autonym="Magyar" data-language-local-name="හන්ගේරියානු" 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 – ආර්මේනියානු" lang="hy" hreflang="hy" data-title="Սիդերիկ պարբերություն" data-language-autonym="Հայերեն" data-language-local-name="ආර්මේනියානු" 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 – ඉන්දුනීසියානු" lang="id" hreflang="id" data-title="Periode orbit" data-language-autonym="Bahasa Indonesia" data-language-local-name="ඉන්දුනීසියානු" 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 – ඉග්බෝ" lang="ig" hreflang="ig" data-title="Oge Orbital" data-language-autonym="Igbo" data-language-local-name="ඉග්බෝ" 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 – ඉතාලි" lang="it" hreflang="it" data-title="Periodo di rivoluzione" data-language-autonym="Italiano" data-language-local-name="ඉතාලි" 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 – ජපන්" lang="ja" hreflang="ja" data-title="公転周期" data-language-autonym="日本語" data-language-local-name="ජපන්" 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 – ජෝර්ජියානු" lang="ka" hreflang="ka" data-title="ორბიტალური პერიოდი" data-language-autonym="ქართული" data-language-local-name="ජෝර්ජියානු" 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 – කාබිල්" lang="kab" hreflang="kab" data-title="Tallit tamezzayt" data-language-autonym="Taqbaylit" data-language-local-name="කාබිල්" 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 – කොරියානු" lang="ko" hreflang="ko" data-title="공전 주기" data-language-autonym="한국어" data-language-local-name="කොරියානු" 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 – කිර්ගිස්" lang="ky" hreflang="ky" data-title="Сидерикалык мезгил" data-language-autonym="Кыргызча" data-language-local-name="කිර්ගිස්" 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 – ලතින්" lang="la" hreflang="la" data-title="Periodus orbitalis" data-language-autonym="Latina" data-language-local-name="ලතින්" 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 – ලක්සැම්බර්ග්" lang="lb" hreflang="lb" data-title="Ëmlafzäit" data-language-autonym="Lëtzebuergesch" data-language-local-name="ලක්සැම්බර්ග්" 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 – ලිතුවේනියානු" lang="lt" hreflang="lt" data-title="Žvaigždinis periodas" data-language-autonym="Lietuvių" data-language-local-name="ලිතුවේනියානු" 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 – ලැට්වියානු" lang="lv" hreflang="lv" data-title="Apriņķojuma periods" data-language-autonym="Latviešu" data-language-local-name="ලැට්වියානු" 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 – මැසිඩෝනියානු" lang="mk" hreflang="mk" data-title="Орбитален период" data-language-autonym="Македонски" data-language-local-name="මැසිඩෝනියානු" 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 – මරාති" lang="mr" hreflang="mr" data-title="परिभ्रमण काळ" data-language-autonym="मराठी" data-language-local-name="මරාති" 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 – මැලේ" lang="ms" hreflang="ms" data-title="Tempoh orbit" data-language-autonym="Bahasa Melayu" data-language-local-name="මැලේ" 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 – පහළ ජර්මන්" lang="nds" hreflang="nds" data-title="Ümlooptiet" data-language-autonym="Plattdüütsch" data-language-local-name="පහළ ජර්මන්" 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) – ලන්දේසි" lang="nl" hreflang="nl" data-title="Omlooptijd (astronomie)" data-language-autonym="Nederlands" data-language-local-name="ලන්දේසි" 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 – නෝර්වීජියානු නයිනෝර්ස්ක්" lang="nn" hreflang="nn" data-title="Baneperiode" data-language-autonym="Norsk nynorsk" data-language-local-name="නෝර්වීජියානු නයිනෝර්ස්ක්" 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 – නෝර්වීජියානු බොක්මල්" lang="nb" hreflang="nb" data-title="Omløpstid" data-language-autonym="Norsk bokmål" data-language-local-name="නෝර්වීජියානු බොක්මල්" 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 – ඔසිටාන්" lang="oc" hreflang="oc" data-title="Periòde de revolucion" data-language-autonym="Occitan" data-language-local-name="ඔසිටාන්" 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 – පෝලන්ත" lang="pl" hreflang="pl" data-title="Okres orbitalny" data-language-autonym="Polski" data-language-local-name="පෝලන්ත" 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 – පෘතුගීසි" lang="pt" hreflang="pt" data-title="Período orbital" data-language-autonym="Português" data-language-local-name="පෘතුගීසි" 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 – රොමේනියානු" lang="ro" hreflang="ro" data-title="Perioadă sinodică" data-language-autonym="Română" data-language-local-name="රොමේනියානු" 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 – රුසියානු" lang="ru" hreflang="ru" data-title="Орбитальный период" data-language-autonym="Русский" data-language-local-name="රුසියානු" 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 – සිසිලියන්" lang="scn" hreflang="scn" data-title="Piriudu di rivuluzzioni" data-language-autonym="Sicilianu" data-language-local-name="සිසිලියන්" 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 – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Orbitalni period" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/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) – ස්ලෝවැක්" lang="sk" hreflang="sk" data-title="Obežná doba (astronómia)" data-language-autonym="Slovenčina" data-language-local-name="ස්ලෝවැක්" 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 – ස්ලෝවේනියානු" lang="sl" hreflang="sl" data-title="Orbitalna perioda" data-language-autonym="Slovenščina" data-language-local-name="ස්ලෝවේනියානු" 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 – ඇල්බේනියානු" lang="sq" hreflang="sq" data-title="Periudha orbitale" data-language-autonym="Shqip" data-language-local-name="ඇල්බේනියානු" 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 – සර්බියානු" lang="sr" hreflang="sr" data-title="Орбитални период" data-language-autonym="Српски / srpski" data-language-local-name="සර්බියානු" 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 – ස්වීඩන්" lang="sv" hreflang="sv" data-title="Siderisk omloppstid" data-language-autonym="Svenska" data-language-local-name="ස්වීඩන්" 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 – ස්වාහිලි" lang="sw" hreflang="sw" data-title="Kipindi cha mzunguko" data-language-autonym="Kiswahili" data-language-local-name="ස්වාහිලි" 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 – Silesian" lang="szl" hreflang="szl" data-title="Ôkres ôrbitalny" data-language-autonym="Ślůnski" data-language-local-name="Silesian" 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 – දෙමළ" lang="ta" hreflang="ta" data-title="சுற்றுக்காலம்" data-language-autonym="தமிழ்" data-language-local-name="දෙමළ" 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 – තෙළිඟු" lang="te" hreflang="te" data-title="కక్ష్యా వ్యవధి" data-language-autonym="తెలుగు" data-language-local-name="තෙළිඟු" 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 – තායි" lang="th" hreflang="th" data-title="คาบการโคจร" data-language-autonym="ไทย" data-language-local-name="තායි" 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 – තුර්කි" lang="tr" hreflang="tr" data-title="Yörünge periyodu" data-language-autonym="Türkçe" data-language-local-name="තුර්කි" 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 – යුක්රේනියානු" lang="uk" hreflang="uk" data-title="Орбітальний період" data-language-autonym="Українська" data-language-local-name="යුක්රේනියානු" 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 – උස්බෙක්" lang="uz" hreflang="uz" data-title="Orbital davr" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="උස්බෙක්" 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 – වියට්නාම්" lang="vi" hreflang="vi" data-title="Chu kỳ quỹ đạo" data-language-autonym="Tiếng Việt" data-language-local-name="වියට්නාම්" 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 – වූ චයිනිස්" lang="wuu" hreflang="wuu" data-title="轨道周期" data-language-autonym="吴语" data-language-local-name="වූ චයිනිස්" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E8%BD%A8%E9%81%93%E5%91%A8%E6%9C%9F" title="轨道周期 – චීන" lang="zh" hreflang="zh" data-title="轨道周期" data-language-autonym="中文" data-language-local-name="චීන" class="interlanguage-link-target"><span>中文</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 – කැන්ටොනීස්" lang="yue" hreflang="yue" data-title="軌道週期" data-language-autonym="粵語" data-language-local-name="කැන්ටොනීස්" 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 href="https://www.wikidata.org/wiki/Special:EntityPage/Q37640#sitelinks-wikipedia" title="අන්තර්භාෂාමය සබැඳි සංස්කරණය කරන්න" class="wbc-editpage">සබැඳි සංස්කරණය කරන්න</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="නාම අවකාශ"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div 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class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%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&action=edit" title="මෙම පිටුවේ ප්‍රභව කේතයන් සංස්කරණය කරන්න [e]" accesskey="e"><span>සංස්කරණය</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%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&action=history"><span>ඉතිහාසය බලන්න</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> General </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B6%B8%E0%B7%99%E0%B7%84%E0%B7%92_%E0%B6%9A%E0%B7%94%E0%B6%B8%E0%B6%9A%E0%B7%8A_%E0%B7%83%E0%B6%B6%E0%B7%90%E0%B6%B3%E0%B7%93_%E0%B6%87%E0%B6%AD%E0%B7%92%E0%B6%AF/%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="මෙය හා සබැ‍ඳෙන සියළු විකි පිටු ලැයිස්තුවක් [j]" accesskey="j"><span>මෙතනට සබැඳෙන්නේ කුමක්ද</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B7%83%E0%B6%B6%E0%B7%90%E0%B6%B3%E0%B7%94%E0%B6%B1%E0%B7%94_%E0%B6%B8%E0%B7%91%E0%B6%AD_%E0%B7%80%E0%B7%99%E0%B6%B1%E0%B7%83%E0%B7%8A%E0%B6%9A%E0%B7%92%E0%B6%BB%E0%B7%93%E0%B6%B8%E0%B7%8A/%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" rel="nofollow" title="මෙම පිටුව හා සබැඳි පිටුවල ‍නව වෙනස්කිරීම් [k]" accesskey="k"><span>සහසම්බන්ධිත වෙනස්වීම්</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82_%E0%B6%B4%E0%B7%92%E0%B6%A7%E0%B7%94" title="සියලු විශේෂ පිටුවල ලැයිස්තුවක් [q]" accesskey="q"><span>විශේෂ පිටු</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=%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&oldid=332911" title="පිටුවෙහි මෙම අනුවාදයට ස්ථාවර සබැඳිය"><span>ස්ථාවර සබැඳුම</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=%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&action=info" title="More information about this page"><span>පිටුවේ තොරතුරු</span></a></li><li id="t-cite" class="mw-list-item"><a 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href="/w/index.php?title=%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:QrCode&url=https%3A%2F%2Fsi.wikipedia.org%2Fwiki%2F%25E0%25B6%259A%25E0%25B6%259A%25E0%25B7%258A%25E0%25B7%2582%25E0%25B7%2593%25E0%25B6%25BA_%25E0%25B6%259A%25E0%25B7%258F%25E0%25B6%25BD%25E0%25B7%258F%25E0%25B7%2580%25E0%25B6%25BB%25E0%25B7%258A%25E0%25B6%25AD%25E0%25B6%25BA"><span>Download QR code</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> මුද්‍රණය/නිර්යාත කෙරුම </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:Book&bookcmd=book_creator&referer=%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"><span>පොතක් නිර්මාණය කරන්න</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=%E0%B7%80%E0%B7%92%E0%B7%81%E0%B7%9A%E0%B7%82:DownloadAsPdf&page=%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&action=show-download-screen"><span>PDF ලෙස බාගතකරන්න</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%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&printable=yes" title="මෙම පිටුවෙහි මුද්‍රිත අනුවාදය [p]" accesskey="p"><span>මුද්‍රණ ආකෘතිය</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> වෙනත් ව්‍යාපෘති තුල </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem 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data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">විකිපීඩියා වෙතින්</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="si" dir="ltr"><p>කිසියම් වස්තුවක <b>කක්ෂීය කාලාවර්තය</b> යනු, තවත් වස්තුවක් වටා එක් සම්පූර්ණ <a href="/wiki/%E0%B6%9A%E0%B6%9A%E0%B7%8A%E0%B7%82%E0%B6%BA" class="mw-redirect" title="කක්ෂය">කක්ෂයක්</a> ගමන් කිරීමට එයට ගතවන කාලය වෙයි. </p><p>තාරකා විද්‍යාවෙහි ගැඹුරට නොගොස් මෙය විස්තර කළ හොත් මෙයින් හැඳින්වෙන්නේ, <a href="/wiki/%E0%B6%AD%E0%B7%8F%E0%B6%BB%E0%B6%9A%E0%B7%8F%E0%B7%80" class="mw-redirect" title="තාරකාව">තාරකා</a> වලට සාපේක්ෂව ගණනය කෙරෙන, තාරකා විද්‍යාත්මක වස්තුවක <b>නක්ෂත්‍ර කාලාවර්තය</b> වෙයි . </p><p><a href="/wiki/%E0%B7%83%E0%B7%96%E0%B6%BB%E0%B7%8A%E0%B6%BA%E0%B6%BA%E0%B7%8F" class="mw-redirect" title="සූර්යයා">සූර්යයා</a> (හෝ වෙනත් බගෝලීය වස්තුවක්) වටා, වස්තුවක කක්ෂීය කාලාවර්තයන් විවිධ වර්ගයන් වෙති: </p> <ul><li><b>නක්ෂත්‍ර කාලාවර්තය</b> යනු, <a href="/wiki/%E0%B6%AD%E0%B7%8F%E0%B6%BB%E0%B6%9A%E0%B7%8F%E0%B7%80" class="mw-redirect" title="තාරකාව">තාරකා</a> වලට සාපේක්ෂව, වස්තුවක් විසින් සම්පූර්ණ කක්ෂයක ගමනෙහි යෙදීමෙහි කාලික චක්‍රයයි. මෙය, අවස්ථිතික (භ්‍රමණය-නොවන) <a 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