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Terdapat 45 bahasa" > <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-45" 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">45 bahasa</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Argument_van_periapside" title="Argument van periapside – Afrikaans" lang="af" hreflang="af" data-title="Argument van periapside" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AD%D8%AC%D8%A9_%D8%A7%D9%84%D9%82%D8%A8%D9%88%D8%A9_%D8%A7%D9%84%D8%AD%D8%B6%D9%8A%D8%B6%D9%8A%D8%A9" title="حجة القبوة الحضيضية – Arab" lang="ar" hreflang="ar" data-title="حجة القبوة الحضيضية" data-language-autonym="العربية" data-language-local-name="Arab" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%B0%D1%80%D0%B0%D0%BC%D0%B5%D1%82%D1%8A%D1%80_%D0%BD%D0%B0_%D0%BF%D0%B5%D1%80%D0%B8%D1%85%D0%B5%D0%BB%D0%B8%D1%8F" title="Параметър на перихелия – Bulgaria" lang="bg" hreflang="bg" data-title="Параметър на перихелия" data-language-autonym="Български" data-language-local-name="Bulgaria" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Argument_del_peri%C3%A0pside" title="Argument del periàpside – Katalan" lang="ca" hreflang="ca" data-title="Argument del periàpside" data-language-autonym="Català" data-language-local-name="Katalan" 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/Argument_%C5%A1%C3%AD%C5%99ky_pericentra" title="Argument šířky pericentra – Cheska" lang="cs" hreflang="cs" data-title="Argument šířky pericentra" data-language-autonym="Čeština" data-language-local-name="Cheska" 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/Periapsisargument" title="Periapsisargument – Dansk" lang="da" hreflang="da" data-title="Periapsisargument" data-language-autonym="Dansk" data-language-local-name="Dansk" 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/Argument_der_Periapsis" title="Argument der Periapsis – Jerman" lang="de" hreflang="de" data-title="Argument der Periapsis" data-language-autonym="Deutsch" data-language-local-name="Jerman" 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%8C%CF%81%CE%B9%CF%83%CE%BC%CE%B1_%CF%84%CE%BF%CF%85_%CF%80%CE%B5%CF%81%CE%B9%CE%B7%CE%BB%CE%AF%CE%BF%CF%85" title="Όρισμα του περιηλίου – Yunani" lang="el" hreflang="el" data-title="Όρισμα του περιηλίου" data-language-autonym="Ελληνικά" data-language-local-name="Yunani" 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/Argument_of_periapsis" title="Argument of periapsis – Inggris" lang="en" hreflang="en" data-title="Argument of periapsis" data-language-autonym="English" data-language-local-name="Inggris" 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/Argumento_de_la_periapsido" title="Argumento de la periapsido – Esperanto" lang="eo" hreflang="eo" data-title="Argumento de la periapsido" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Argumento_del_periastro" title="Argumento del periastro – Spanyol" lang="es" hreflang="es" data-title="Argumento del periastro" data-language-autonym="Español" data-language-local-name="Spanyol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Periastroaren_argumentua" title="Periastroaren argumentua – Basque" lang="eu" hreflang="eu" data-title="Periastroaren argumentua" data-language-autonym="Euskara" data-language-local-name="Basque" 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%B4%D9%86%D8%A7%D8%B3%D9%87_%D8%AD%D8%B6%DB%8C%D8%B6" title="شناسه حضیض – Persia" lang="fa" hreflang="fa" data-title="شناسه حضیض" data-language-autonym="فارسی" data-language-local-name="Persia" 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/Perihelin_argumentti" title="Perihelin argumentti – Suomi" lang="fi" hreflang="fi" data-title="Perihelin argumentti" data-language-autonym="Suomi" data-language-local-name="Suomi" 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/Argument_du_p%C3%A9riastre" title="Argument du périastre – Prancis" lang="fr" hreflang="fr" data-title="Argument du périastre" data-language-autonym="Français" data-language-local-name="Prancis" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%89%E0%A4%AA%E0%A4%AE%E0%A4%A8%E0%A5%8D%E0%A4%A6_%E0%A4%95%E0%A5%8B%E0%A4%A3%E0%A4%BE%E0%A4%82%E0%A4%95" title="उपमन्द कोणांक – Hindi" lang="hi" hreflang="hi" data-title="उपमन्द कोणांक" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Argument_perihela" title="Argument perihela – Kroasia" lang="hr" hreflang="hr" data-title="Argument perihela" data-language-autonym="Hrvatski" data-language-local-name="Kroasia" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8A%D5%A5%D6%80%D5%AB%D5%AF%D5%A5%D5%B6%D5%BF%D6%80%D5%B8%D5%B6%D5%AB_%D5%A1%D6%80%D5%A3%D5%B8%D6%82%D5%B4%D5%A5%D5%B6%D5%BF" title="Պերիկենտրոնի արգումենտ – Armenia" lang="hy" hreflang="hy" data-title="Պերիկենտրոնի արգումենտ" data-language-autonym="Հայերեն" data-language-local-name="Armenia" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Argomento_del_pericentro" title="Argomento del pericentro – Italia" lang="it" hreflang="it" data-title="Argomento del pericentro" data-language-autonym="Italiano" data-language-local-name="Italia" 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/%E8%BF%91%E7%82%B9%E5%BC%95%E6%95%B0" title="近点引数 – Jepang" lang="ja" hreflang="ja" data-title="近点引数" data-language-autonym="日本語" data-language-local-name="Jepang" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%AA%E0%B3%81%E0%B2%B0%E0%B2%AC%E0%B2%BF%E0%B2%82%E0%B2%A6%E0%B3%81%E0%B2%B5%E0%B2%BF%E0%B2%A8_%E0%B2%95%E0%B3%8B%E0%B2%A8%E0%B2%AD%E0%B2%BE%E0%B2%97" title="ಪುರಬಿಂದುವಿನ ಕೋನಭಾಗ – Kannada" lang="kn" hreflang="kn" data-title="ಪುರಬಿಂದುವಿನ ಕೋನಭಾಗ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B7%BC%EC%A0%90_%ED%8E%B8%EA%B0%81" title="근점 편각 – Korea" lang="ko" hreflang="ko" data-title="근점 편각" data-language-autonym="한국어" data-language-local-name="Korea" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Argumentum_periapsidis" title="Argumentum periapsidis – Latin" lang="la" hreflang="la" data-title="Argumentum periapsidis" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lt badge-Q70894304 mw-list-item" title=""><a href="https://lt.wikipedia.org/wiki/Periapsio_argumentas" title="Periapsio argumentas – Lituavi" lang="lt" hreflang="lt" data-title="Periapsio argumentas" data-language-autonym="Lietuvių" data-language-local-name="Lituavi" 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/Pericentra_arguments" title="Pericentra arguments – Latvi" lang="lv" hreflang="lv" data-title="Pericentra arguments" data-language-autonym="Latviešu" data-language-local-name="Latvi" 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%90%D1%80%D0%B3%D1%83%D0%BC%D0%B5%D0%BD%D1%82_%D0%BD%D0%B0_%D0%BF%D0%B5%D1%80%D0%B8%D1%85%D0%B5%D0%BB%D0%BE%D1%82" title="Аргумент на перихелот – Makedonia" lang="mk" hreflang="mk" data-title="Аргумент на перихелот" data-language-autonym="Македонски" data-language-local-name="Makedonia" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Argumen_periapsis" title="Argumen periapsis – Melayu" lang="ms" hreflang="ms" data-title="Argumen periapsis" data-language-autonym="Bahasa Melayu" data-language-local-name="Melayu" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Argument_van_het_periapsis" title="Argument van het periapsis – Belanda" lang="nl" hreflang="nl" data-title="Argument van het periapsis" data-language-autonym="Nederlands" data-language-local-name="Belanda" 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/Perihelargument" title="Perihelargument – Nynorsk Norwegia" lang="nn" hreflang="nn" data-title="Perihelargument" data-language-autonym="Norsk nynorsk" data-language-local-name="Nynorsk Norwegia" 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/Perihelargument" title="Perihelargument – Bokmål Norwegia" lang="nb" hreflang="nb" data-title="Perihelargument" data-language-autonym="Norsk bokmål" data-language-local-name="Bokmål Norwegia" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Argument_perycentrum" title="Argument perycentrum – Polski" lang="pl" hreflang="pl" data-title="Argument perycentrum" data-language-autonym="Polski" data-language-local-name="Polski" 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/Argumento_do_periastro" title="Argumento do periastro – Portugis" lang="pt" hreflang="pt" data-title="Argumento do periastro" data-language-autonym="Português" data-language-local-name="Portugis" 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/Argumentul_periastrului" title="Argumentul periastrului – Rumania" lang="ro" hreflang="ro" data-title="Argumentul periastrului" data-language-autonym="Română" data-language-local-name="Rumania" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru badge-Q70894304 mw-list-item" title=""><a href="https://ru.wikipedia.org/wiki/%D0%90%D1%80%D0%B3%D1%83%D0%BC%D0%B5%D0%BD%D1%82_%D0%BF%D0%B5%D1%80%D0%B8%D1%86%D0%B5%D0%BD%D1%82%D1%80%D0%B0" title="Аргумент перицентра – Rusia" lang="ru" hreflang="ru" data-title="Аргумент перицентра" data-language-autonym="Русский" data-language-local-name="Rusia" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Argument_perihela" title="Argument perihela – Serbo-Kroasia" lang="sh" hreflang="sh" data-title="Argument perihela" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Kroasia" 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/Argument_of_periapsis" title="Argument of periapsis – Simple English" lang="en-simple" hreflang="en-simple" data-title="Argument of periapsis" 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/Argument_%C5%A1%C3%ADrky_pericentra" title="Argument šírky pericentra – Slovak" lang="sk" hreflang="sk" data-title="Argument šírky pericentra" data-language-autonym="Slovenčina" data-language-local-name="Slovak" 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/Argument_periapside" title="Argument periapside – Sloven" lang="sl" hreflang="sl" data-title="Argument periapside" data-language-autonym="Slovenščina" data-language-local-name="Sloven" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%90%D1%80%D0%B3%D1%83%D0%BC%D0%B5%D0%BD%D1%82_%D0%BF%D0%B5%D1%80%D0%B8%D1%85%D0%B5%D0%BB%D0%B0" title="Аргумент перихела – Serbia" lang="sr" hreflang="sr" data-title="Аргумент перихела" data-language-autonym="Српски / srpski" data-language-local-name="Serbia" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Argum%C3%A9n_periapsis" title="Argumén periapsis – Sunda" lang="su" hreflang="su" data-title="Argumén periapsis" data-language-autonym="Sunda" data-language-local-name="Sunda" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Periapsisargument" title="Periapsisargument – Swedia" lang="sv" hreflang="sv" data-title="Periapsisargument" data-language-autonym="Svenska" data-language-local-name="Swedia" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A1%E0%B8%B8%E0%B8%A1%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B8%88%E0%B8%B8%E0%B8%94%E0%B9%83%E0%B8%81%E0%B8%A5%E0%B9%89%E0%B8%97%E0%B8%B5%E0%B9%88%E0%B8%AA%E0%B8%B8%E0%B8%94" title="มุมของจุดใกล้ที่สุด – Thai" lang="th" hreflang="th" data-title="มุมของจุดใกล้ที่สุด" data-language-autonym="ไทย" data-language-local-name="Thai" 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/Enberi_a%C3%A7%C4%B1s%C4%B1" title="Enberi açısı – Turki" lang="tr" hreflang="tr" data-title="Enberi açısı" data-language-autonym="Türkçe" data-language-local-name="Turki" class="interlanguage-link-target"><span>Türkçe</span></a></li><li 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0.5em;width:100%}.mw-parser-output .ambox .mbox-image{border:none;padding:2px 0 2px 0.5em;text-align:center}.mw-parser-output .ambox .mbox-imageright{border:none;padding:2px 0.5em 2px 0;text-align:center}.mw-parser-output .ambox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ambox .mbox-image-div{width:52px}html.client-js body.skin-minerva .mw-parser-output .mbox-text-span{margin-left:23px!important}@media(min-width:720px){.mw-parser-output .ambox{margin:0 10%}}@media print{body.ns-0 .mw-parser-output .ambox{display:none!important}}</style><table class="box-Tanpa_referensi plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div class="mbox-image-div"><span typeof="mw:File"><a href="/wiki/Berkas:Question_book-new.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">Artikel ini <b>tidak memiliki <a href="/wiki/Wikipedia:Kutip_sumber_tulisan" title="Wikipedia:Kutip sumber tulisan">referensi</a> atau <a href="/wiki/Wikipedia:Sumber_tepercaya" title="Wikipedia:Sumber tepercaya">sumber tepercaya</a></b> sehingga isinya tidak bisa <a href="/wiki/Wikipedia:Pemastian" title="Wikipedia:Pemastian">dipastikan</a>.<span class="hide-when-compact"> Tolong bantu <span class="plainlinks"><a class="external text" href="https://id.wikipedia.org/w/index.php?title=Argumen_periapsis&action=edit">perbaiki artikel ini</a></span> dengan menambahkan referensi yang layak. Tulisan tanpa sumber dapat dipertanyakan dan dihapus sewaktu-waktu.<br /><small><span class="plainlinks"><i>Cari sumber:</i> <a rel="nofollow" class="external text" href="//google.com/search?as_eq=wikipedia&q=%22Argumen+periapsis%22&num=50">"Argumen periapsis"</a> – <a rel="nofollow" class="external text" href="//google.com/search?q=%22Argumen+periapsis%22&tbm=nws">berita</a> <b>·</b> <a rel="nofollow" class="external text" href="//google.com/search?&q=%22Argumen+periapsis%22+site:news.google.com/newspapers&source=newspapers">surat kabar</a> <b>·</b> <a rel="nofollow" class="external text" href="//google.com/search?tbs=bks:1&q=%22Argumen+periapsis%22">buku</a> <b>·</b> <a rel="nofollow" class="external text" href="//scholar.google.com/scholar?q=%22Argumen+periapsis%22">cendekiawan</a> <b>·</b> <a rel="nofollow" class="external text" href="http://www.jstor.org/action/doBasicSearch?Query=%22Argumen+periapsis%22&acc=on&wc=on">JSTOR</a></span></small></span></div></td></tr></tbody></table> <p><b>Argumen periapsis</b> (juga disebut <b>argumen perifokus</b> atau <b>argumen perisenter</b>), disimbolkan sebagai <i>ω</i>, adalah salah satu <a href="/w/index.php?title=Elemen_orbit&action=edit&redlink=1" class="new" title="Elemen orbit (halaman belum tersedia)">elemen orbit</a> dari suatu benda yang meng<a href="/wiki/Orbit" title="Orbit">orbit</a>. Jika dirincikan, <i>ω</i> adalah sudut antara <a href="/wiki/Apsis" title="Apsis">periapsis</a> orbit (titik pendekatan terdekat ke titik pusatnya) dan <a href="/w/index.php?title=Nove_menaik&action=edit&redlink=1" class="new" title="Nove menaik (halaman belum tersedia)">nove menaik</a> orbit (titik tempat benda langit melintasi <a href="/w/index.php?title=Bidang_referensi&action=edit&redlink=1" class="new" title="Bidang referensi (halaman belum tersedia)">bidang referensi</a> dari Selatan ke Utara). Sudut ini diukur dalam <a href="/wiki/Bidang_orbit_(astronomi)" title="Bidang orbit (astronomi)">bidang orbit</a> dan arah gerakannya. Untuk jenis-jenis orbit tertentu, kata-kata seperti "perihelion" (untuk orbit yang terpusat ke <a href="/wiki/Matahari" title="Matahari">Matahari</a>), "perigea" (untuk orbit yang terpusat ke <a href="/wiki/Bumi" title="Bumi">Bumi</a>), "periastron" (untuk orbit mengitari bintang) dan lainnya bisa menggantikan kata "periapsis". Lihat <a href="/wiki/Apsis" title="Apsis">apsis</a> untuk penjelasan lebih lanjut. </p><p>Argumen periapsis 0° berarti bahwa benda yang mengorbit akan berada pada pendekatan terdekatnya dengan benda pusat pada waktu yang sama ketika melintasi bidang referensi dari Selatan ke Utara. Argumen periapsis 90° berarti bahwa benda yang mengorbit akan mencapai periapsis pada jarak paling utara dari bidang referensi. </p><p>Menambahkan argumen periapsis ke <a href="/wiki/Bujur_node_menaik" title="Bujur node menaik">bujur node menaik</a> akan menghasilkan <a href="/w/index.php?title=Bujur_periapsis&action=edit&redlink=1" class="new" title="Bujur periapsis (halaman belum tersedia)">bujur periapsis</a>. Tetapi, khususnya dalam diskusi bintang biner dan eksoplanet, istilah "bujur periapsis" atau "bujur periastron" sering digunakan sama seperti "argumen periapsis". </p> <figure class="mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/Berkas:Orbit1.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Orbit1.svg/500px-Orbit1.svg.png" decoding="async" width="500" height="450" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Orbit1.svg/750px-Orbit1.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/eb/Orbit1.svg/1000px-Orbit1.svg.png 2x" data-file-width="555" data-file-height="500" /></a><figcaption>Gbr. 1: Diagram elemen orbit, termasuk argumen periapsis (<i>ω</i>).</figcaption></figure> <div class="mw-heading mw-heading2"><h2 id="Penghitungan">Penghitungan</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Argumen_periapsis&veaction=edit&section=1" title="Sunting bagian: Penghitungan" class="mw-editsection-visualeditor"><span>sunting</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Argumen_periapsis&action=edit&section=1" title="Sunting kode sumber bagian: Penghitungan"><span>sunting sumber</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Dalam <a href="/w/index.php?title=Astrodinamika&action=edit&redlink=1" class="new" title="Astrodinamika (halaman belum tersedia)">astrodinamika</a>, <b>argumen periapsis</b> <i>ω</i> dapat dihitung sebagai berikut: </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 \omega =\arccos {{\mathbf {n} \cdot \mathbf {e} } \over {\mathbf {\left|n\right|} \mathbf {\left|e\right|} }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ω</mi> <mo>=</mo> <mi>arccos</mi> <mo>⁡</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">n</mi> </mrow> <mo>⋅</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">e</mi> </mrow> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mrow> <mo>|</mo> <mi mathvariant="bold">n</mi> <mo>|</mo> </mrow> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mrow> <mo>|</mo> <mi mathvariant="bold">e</mi> <mo>|</mo> </mrow> </mrow> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \omega =\arccos {{\mathbf {n} \cdot \mathbf {e} } \over {\mathbf {\left|n\right|} \mathbf {\left|e\right|} }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e9cea6f38118f5bce8cb1103a52cf395da155466" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.671ex; width:17.283ex; height:5.509ex;" alt="{\displaystyle \omega =\arccos {{\mathbf {n} \cdot \mathbf {e} } \over {\mathbf {\left|n\right|} \mathbf {\left|e\right|} }}}"></span></dd></dl> <dl><dd>(jika <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle e_{z}<0\,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>e</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>z</mi> </mrow> </msub> <mo><</mo> <mn>0</mn> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle e_{z}<0\,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/9471ac398da9fdc5631e13a4c380fdf1a7d471f1" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:6.733ex; height:2.509ex;" alt="{\displaystyle e_{z}<0\,}"></span> maka <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 \omega =2\pi -\omega \,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ω</mi> <mo>=</mo> <mn>2</mn> <mi>π</mi> <mo>−</mo> <mi>ω</mi> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \omega =2\pi -\omega \,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/feaf4782b9b7b4a80cfb478bf783929170c7931c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:11.712ex; height:2.343ex;" alt="{\displaystyle \omega =2\pi -\omega \,}"></span>)</dd></dl> <p>di mana: </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 \mathbf {n} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">n</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {n} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4a720c341f39f52fd96028dab83edd34d400be46" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.485ex; height:1.676ex;" alt="{\displaystyle \mathbf {n} }"></span> adalah vektor yang mengarah ke node menaik (artinya komponen -<i>z</i> <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 \mathbf {n} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">n</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {n} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/4a720c341f39f52fd96028dab83edd34d400be46" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.485ex; height:1.676ex;" alt="{\displaystyle \mathbf {n} }"></span> bernilai nol),</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 \mathbf {e} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">e</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {e} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8b904155833429dc023056b5b9609c4a679d7064" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.225ex; height:1.676ex;" alt="{\displaystyle \mathbf {e} }"></span> adalah <a href="/w/index.php?title=Vektor_eksentrisitas&action=edit&redlink=1" class="new" title="Vektor eksentrisitas (halaman belum tersedia)">vektor eksentrisitas</a> (vektor mengarah ke periapsis).</li></ul> <p>Dalam hal <a href="/w/index.php?title=Orbit_khatulistiwa&action=edit&redlink=1" class="new" title="Orbit khatulistiwa (halaman belum tersedia)">orbit khatulistiwa</a>, meski argumennya belum ditentukan, sering diasumsikan bahwa: </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 \omega =\arccos {{e_{x}} \over {\mathbf {\left|e\right|} }}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>ω</mi> <mo>=</mo> <mi>arccos</mi> <mo>⁡</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow class="MJX-TeXAtom-ORD"> <msub> <mi>e</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>x</mi> </mrow> </msub> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mrow> <mo>|</mo> <mi mathvariant="bold">e</mi> <mo>|</mo> </mrow> </mrow> </mrow> </mfrac> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \omega =\arccos {{e_{x}} \over {\mathbf {\left|e\right|} }}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6a58ec0f721b258ffa20688633fbca3d2274fe33" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.671ex; width:14.504ex; height:5.509ex;" alt="{\displaystyle \omega =\arccos {{e_{x}} \over {\mathbf {\left|e\right|} }}}"></span></dd></dl> <p>di mana: </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 e_{x}\,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>e</mi> <mrow class="MJX-TeXAtom-ORD"> <mi>x</mi> </mrow> </msub> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle e_{x}\,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/bf155d50ecb3226a6bdd6d691a5cbb24ee183043" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:2.643ex; height:2.009ex;" alt="{\displaystyle e_{x}\,}"></span> adalah komponen-<i>x</i> eksentrisitas vektor <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 \mathbf {e} .\,}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">e</mi> </mrow> <mo>.</mo> <mspace width="thinmathspace" /> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {e} .\,}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/5f7c7e782d39024cea11c138017602edf4e03191" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.259ex; height:1.676ex;" alt="{\displaystyle \mathbf {e} .\,}"></span></li></ul> <p>Dalam hal orbit lingkaran sering diasumsikan bahwa periapsis ditempatkan di node menaik dan hasilnya <i>ω</i>=0. </p> <div class="mw-heading mw-heading2"><h2 id="Lihat_pula">Lihat pula</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Argumen_periapsis&veaction=edit&section=2" title="Sunting bagian: Lihat pula" class="mw-editsection-visualeditor"><span>sunting</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Argumen_periapsis&action=edit&section=2" title="Sunting kode sumber bagian: Lihat pula"><span>sunting sumber</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Orbit_Kepler" title="Orbit Kepler">Orbit Kepler</a></li> <li><a href="/w/index.php?title=Node_orbit&action=edit&redlink=1" class="new" title="Node orbit (halaman belum tersedia)">Node orbit</a></li> <li><a href="/w/index.php?title=Mekanika_orbit&action=edit&redlink=1" class="new" title="Mekanika orbit (halaman belum tersedia)">Mekanika orbit</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Catatan_kaki">Catatan kaki</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Argumen_periapsis&veaction=edit&section=3" title="Sunting bagian: Catatan kaki" class="mw-editsection-visualeditor"><span>sunting</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Argumen_periapsis&action=edit&section=3" title="Sunting kode sumber bagian: Catatan kaki"><span>sunting sumber</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r18833634">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> </div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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