CINXE.COM

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="en" dir="ltr"> <head> <meta charset="UTF-8"> <title>C/2017 K2 (PanSTARRS) - Wikipedia</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )enwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":["",""],"wgDigitTransformTable":["",""],"wgDefaultDateFormat":"dmy", "wgMonthNames":["","January","February","March","April","May","June","July","August","September","October","November","December"],"wgRequestId":"859e017c-ad64-4b95-9a4d-13aee6d86b32","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"C/2017_K2_(PanSTARRS)","wgTitle":"C/2017 K2 (PanSTARRS)","wgCurRevisionId":1257291038,"wgRevisionId":1257291038,"wgArticleId":55397816,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Articles with short description","Short description is different from Wikidata","Articles containing potentially dated statements from June 2022","All articles containing potentially dated statements","Non-periodic comets","Astronomical objects discovered in 2017","Comets in 2022","Oort cloud","Discoveries by Pan-STARRS"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"C/2017_K2_(PanSTARRS)", "wgRelevantArticleId":55397816,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgRedirectedFrom":"C/2017_K2","wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false,"wgFlaggedRevsParams":{"tags":{"status":{"levels":1}}},"wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"en","pageLanguageDir":"ltr","pageVariantFallbacks":"en"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":false,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":10000,"wgInternalRedirectTargetUrl":"/wiki/C/2017_K2_(PanSTARRS)","wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q41444995", "wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":false,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false};RLSTATE={"ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","mediawiki.page.gallery.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","jquery.makeCollapsible.styles":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready"};RLPAGEMODULES=["mediawiki.action.view.redirect","ext.cite.ux-enhancements","ext.scribunto.logs","site","mediawiki.page.ready", "jquery.makeCollapsible","mediawiki.toc","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.ReferenceTooltips","ext.gadget.switcher","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","wikibase.sidebar.tracking"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=en&modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cmediawiki.page.gallery.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&only=styles&skin=vector-2022"> <script async="" src="/w/load.php?lang=en&modules=startup&only=scripts&raw=1&skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&modules=site.styles&only=styles&skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/0/0f/C2017_K2_PanSTARRS-2.gif"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="1752"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/0/0f/C2017_K2_PanSTARRS-2.gif"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="1168"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="934"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="C/2017 K2 (PanSTARRS) - Wikipedia"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//en.m.wikipedia.org/wiki/C/2017_K2_(PanSTARRS)"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="application/rsd+xml" href="//en.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://en.wikipedia.org/wiki/C/2017_K2_(PanSTARRS)"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en"> <link rel="alternate" type="application/atom+xml" title="Wikipedia Atom feed" href="/w/index.php?title=Special:RecentChanges&feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-C_2017_K2_PanSTARRS rootpage-C_2017_K2_PanSTARRS skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Jump to content</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Main menu" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-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-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Main menu</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Main menu</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">hide</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navigation </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Main_Page" title="Visit the main page [z]" accesskey="z"><span>Main page</span></a></li><li id="n-contents" class="mw-list-item"><a href="/wiki/Wikipedia:Contents" title="Guides to browsing Wikipedia"><span>Contents</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Current_events" title="Articles related to current events"><span>Current events</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Visit a randomly selected article [x]" accesskey="x"><span>Random article</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About" title="Learn about Wikipedia and how it works"><span>About Wikipedia</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us" title="How to contact Wikipedia"><span>Contact us</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Contribute </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="Guidance on how to use and edit Wikipedia"><span>Help</span></a></li><li id="n-introduction" class="mw-list-item"><a href="/wiki/Help:Introduction" title="Learn how to edit Wikipedia"><span>Learn to edit</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Community_portal" title="The hub for editors"><span>Community portal</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="A list of recent changes to Wikipedia [r]" accesskey="r"><span>Recent changes</span></a></li><li id="n-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_upload_wizard" title="Add images or other media for use on Wikipedia"><span>Upload file</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img class="mw-logo-tagline" alt="The Free Encyclopedia" src="/static/images/mobile/copyright/wikipedia-tagline-en.svg" width="117" height="13" style="width: 7.3125em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Special:Search" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Search Wikipedia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Search</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Search Wikipedia" aria-label="Search Wikipedia" autocapitalize="sentences" title="Search Wikipedia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Special:Search"> </div> <button class="cdx-button cdx-search-input__end-button">Search</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Personal tools"> <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" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-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-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" 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-overflow" class="vector-menu mw-portlet" > <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="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en" class=""><span>Donate</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=Special:CreateAccount&returnto=C%2F2017+K2+%28PanSTARRS%29" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</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=Special:UserLogin&returnto=C%2F2017+K2+%28PanSTARRS%29" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o" class=""><span>Log in</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="Log in and 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="Personal tools" > <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">Personal tools</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="https://donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_en.wikipedia.org&uselang=en"><span>Donate</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=C%2F2017+K2+%28PanSTARRS%29" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=C%2F2017+K2+%28PanSTARRS%29" title="You're encouraged to log in; however, it's not mandatory. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</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/Help: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/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about edits from this IP address [n]" accesskey="n"><span>Talk</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 class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" 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">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</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">(Top)</div> </a> </li> <li id="toc-Gallery" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Gallery"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Gallery</span> </div> </a> <ul id="toc-Gallery-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Notes" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Notes"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Notes</span> </div> </a> <ul id="toc-Notes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>External links</span> </div> </a> <ul id="toc-External_links-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="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <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">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">C/2017 K2 (PanSTARRS)</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 8 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-8" 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">8 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/C/2017_K2_(PanSTARRS)" title="C/2017 K2 (PanSTARRS) – Arabic" lang="ar" hreflang="ar" data-title="C/2017 K2 (PanSTARRS)" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/C/2017_K2_(PANSTARRS)" title="C/2017 K2 (PANSTARRS) – German" lang="de" hreflang="de" data-title="C/2017 K2 (PANSTARRS)" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/C/2017_K2_(PANSTARRS)" title="C/2017 K2 (PANSTARRS) – French" lang="fr" hreflang="fr" data-title="C/2017 K2 (PANSTARRS)" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/C/2017_K2_PANSTARRS" title="C/2017 K2 PANSTARRS – Italian" lang="it" hreflang="it" data-title="C/2017 K2 PANSTARRS" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/C/2017_K2" title="C/2017 K2 – Portuguese" lang="pt" hreflang="pt" data-title="C/2017 K2" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/C/2017_K2_(PANSTARRS)" title="C/2017 K2 (PANSTARRS) – Russian" lang="ru" hreflang="ru" data-title="C/2017 K2 (PANSTARRS)" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/C/2017_K2_(PANSTARRS)" title="C/2017 K2 (PANSTARRS) – Ukrainian" lang="uk" hreflang="uk" data-title="C/2017 K2 (PANSTARRS)" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/C/2017_K2_(%E6%B3%9B%E6%98%9F%E5%BD%97%E6%98%9F)" title="C/2017 K2 (泛星彗星) – Chinese" lang="zh" hreflang="zh" data-title="C/2017 K2 (泛星彗星)" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</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/Q41444995#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</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="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/C/2017_K2_(PanSTARRS)" title="View the content page [c]" accesskey="c"><span>Article</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Talk:C/2017_K2_(PanSTARRS)" rel="discussion" title="Discuss improvements to the content page [t]" accesskey="t"><span>Talk</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Change language variant" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">English</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Views"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/C/2017_K2_(PanSTARRS)"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=history" title="Past revisions of this page [h]" accesskey="h"><span>View history</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Tools" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Tools</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Tools</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">hide</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="More options" > <div class="vector-menu-heading"> Actions </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/C/2017_K2_(PanSTARRS)"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=edit" title="Edit this page [e]" accesskey="e"><span>Edit</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=history"><span>View history</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/Special:WhatLinksHere/C/2017_K2_(PanSTARRS)" title="List of all English Wikipedia pages containing links to this page [j]" accesskey="j"><span>What links here</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Special:RecentChangesLinked/C/2017_K2_(PanSTARRS)" rel="nofollow" title="Recent changes in pages linked from this page [k]" accesskey="k"><span>Related changes</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:File_Upload_Wizard" title="Upload files [u]" accesskey="u"><span>Upload file</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Special:SpecialPages" title="A list of all special pages [q]" accesskey="q"><span>Special pages</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&oldid=1257291038" title="Permanent link to this revision of this page"><span>Permanent link</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=info" title="More information about this page"><span>Page information</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Special:CiteThisPage&page=C%2F2017_K2_%28PanSTARRS%29&id=1257291038&wpFormIdentifier=titleform" title="Information on how to cite this page"><span>Cite this page</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Special:UrlShortener&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FC%2F2017_K2_%28PanSTARRS%29"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FC%2F2017_K2_%28PanSTARRS%29"><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"> Print/export </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Special:DownloadAsPdf&page=C%2F2017_K2_%28PanSTARRS%29&action=show-download-screen" title="Download this page as a PDF file"><span>Download as PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&printable=yes" title="Printable version of this page [p]" accesskey="p"><span>Printable version</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"> In other projects </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:C/2017_K2_(PANSTARRS)" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q41444995" title="Structured data on this page hosted by Wikidata [g]" accesskey="g"><span>Wikidata item</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <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">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">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"><span class="mw-redirectedfrom">(Redirected from <a href="/w/index.php?title=C/2017_K2&redirect=no" class="mw-redirect" title="C/2017 K2">C/2017 K2</a>)</span></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Oort cloud comet</div> <style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><caption class="infobox-title">C/2017 K2 (PanSTARRS)</caption><tbody><tr><td colspan="2" class="infobox-image"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:C2017_K2_PanSTARRS-2.gif" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/C2017_K2_PanSTARRS-2.gif/290px-C2017_K2_PanSTARRS-2.gif" decoding="async" width="290" height="423" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0f/C2017_K2_PanSTARRS-2.gif/435px-C2017_K2_PanSTARRS-2.gif 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0f/C2017_K2_PanSTARRS-2.gif/580px-C2017_K2_PanSTARRS-2.gif 2x" data-file-width="626" data-file-height="914" /></a></span><div class="infobox-caption" style="line-height:1.2em;">Time-lapse with an 8" <a href="/wiki/Celestron" title="Celestron">Celestron</a> telescope on July 14, 2022 - the night of its closest approach to Earth. Below the comet is the <a href="/wiki/Globular_Cluster" class="mw-redirect" title="Globular Cluster">Globular Cluster</a> <a href="/wiki/Messier_10" title="Messier 10">Messier 10</a>.</div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FFE0C2">Discovery</th></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;">Discovery date</th><td class="infobox-data">21 May 2017<sup id="cite_ref-MPEC2017-K35_1-0" class="reference"><a href="#cite_note-MPEC2017-K35-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup></td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FFE0C2"><a href="/wiki/Osculating_orbit" title="Osculating orbit">Orbital characteristics</a></th></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/Epoch_(astronomy)" title="Epoch (astronomy)">Epoch</a></th><td class="infobox-data">2022-12-07 (2459920.5)</td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/Observation_arc" title="Observation arc">Observation arc</a></th><td class="infobox-data">9.46 years</td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;">Number of<br />observations</th><td class="infobox-data">477</td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/List_of_comets_by_type" title="List of comets by type">Orbit type</a></th><td class="infobox-data"><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/Apsis" title="Apsis">Aphelion</a></th><td class="infobox-data">~50000 AU (inbound)<sup id="cite_ref-barycenter_2-0" class="reference"><a href="#cite_note-barycenter-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><br />~1400 AU (outbound)<sup id="cite_ref-barycenter_2-1" class="reference"><a href="#cite_note-barycenter-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/Apsis" title="Apsis">Perihelion</a></th><td class="infobox-data">1.7969 AU<sup id="cite_ref-MPC_3-0" class="reference"><a href="#cite_note-MPC-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/Orbital_eccentricity" title="Orbital eccentricity">Eccentricity</a></th><td class="infobox-data">~0.99992 (inbound)<br />~0.9975 (outbound)<sup id="cite_ref-barycenter_2-2" class="reference"><a href="#cite_note-barycenter-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/Orbital_period" title="Orbital period">Orbital period</a></th><td class="infobox-data">Millions of years inbound<sup id="cite_ref-barycenter_2-3" class="reference"><a href="#cite_note-barycenter-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><br />~19,000 years (outbound)<sup id="cite_ref-barycenter_2-4" class="reference"><a href="#cite_note-barycenter-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/Orbital_inclination" title="Orbital inclination">Inclination</a></th><td class="infobox-data">87.563°</td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Longitude_of_the_ascending_node" title="Longitude of the ascending node">Longitude of<br />ascending node</a></div></th><td class="infobox-data">88.26730</td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;">Last perihelion</th><td class="infobox-data">19 December 2022<sup id="cite_ref-MPC_3-1" class="reference"><a href="#cite_note-MPC-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Yoshida_4-0" class="reference"><a href="#cite_note-Yoshida-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-perihelion_5-0" class="reference"><a href="#cite_note-perihelion-5"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup></td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;">Earth <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a></th><td class="infobox-data">1.10 AU (165 million km)</td></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;">Jupiter <a href="/wiki/Minimum_orbit_intersection_distance" title="Minimum orbit intersection distance">MOID</a></th><td class="infobox-data">1.29 AU</td></tr><tr><th colspan="2" class="infobox-header" style="background-color:#FFE0C2"><span class="anchor" id="Infobox_Physical_characteristics"></span> Physical characteristics</th></tr><tr><th scope="row" class="infobox-label" style="white-space:nowrap;line-height:1.2em;"><a href="/wiki/Comet_nucleus" title="Comet nucleus">Dimensions</a></th><td class="infobox-data">Rn between 14 km (8.7 mi) and 80 km (50 mi)<sup id="cite_ref-Meech2017_6-0" class="reference"><a href="#cite_note-Meech2017-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><br />maximum Dn ~18 km (11 mi)<sup id="cite_ref-Jewitt2017_7-0" class="reference"><a href="#cite_note-Jewitt2017-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup></td></tr></tbody></table> <p><b>C/2017 K2 (PanSTARRS)</b> is an <a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a> <a href="/wiki/Comet" title="Comet">comet</a> with an inbound hyperbolic orbit, discovered in May 2017 at a distance beyond the orbit of <a href="/wiki/Saturn" title="Saturn">Saturn</a> when it was 16 AU (2.4 billion km) from the Sun. <a href="/wiki/Precovery" title="Precovery">Precovery</a> images from 2013 were located by July.<sup id="cite_ref-MPEC2017-N26_8-0" class="reference"><a href="#cite_note-MPEC2017-N26-8"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> It had been in the <a href="/wiki/Constellation" title="Constellation">constellation</a> of <a href="/wiki/Draco_(constellation)" title="Draco (constellation)">Draco</a> from July 2007 until August 2020. As of June 2022<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=C/2017_K2_(PanSTARRS)&action=edit">[update]</a></sup>, the <a href="/wiki/3-sigma" class="mw-redirect" title="3-sigma">3-sigma</a> uncertainty in the current distance of the comet from the Sun is <span class="nowrap"><span data-sort-value="7006600000000000000♠"></span>±6000 km</span>.<sup id="cite_ref-current_9-0" class="reference"><a href="#cite_note-current-9"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> </p><p>The comet is record breaking because it was already becoming active at such a distance. Only <a href="/wiki/Comet_Hale%E2%80%93Bopp" title="Comet Hale–Bopp">Comet Hale–Bopp</a> produced such a show from that distance with a similar nucleus. However, this comet will not be as visible as Hale–Bopp was in 1997 in part because it does not come nearly as close to the Sun.<sup id="cite_ref-Hale-Bopp_10-0" class="reference"><a href="#cite_note-Hale-Bopp-10"><span class="cite-bracket">[</span>b<span class="cite-bracket">]</span></a></sup> Astronomers had never seen an active inbound comet this far out, where sunlight is 1/225th its brightness as seen from Earth. Temperatures, correspondingly, are at -440 °F (-262 °C) in the Oort cloud. However, as it was approaching the Sun at a distance of 16 AU at discovery, a mix of ancient ices on the surface containing <a href="/wiki/Oxygen" title="Oxygen">oxygen</a>, <a href="/wiki/Nitrogen" title="Nitrogen">nitrogen</a>, <a href="/wiki/Carbon_dioxide" title="Carbon dioxide">carbon dioxide</a> and <a href="/wiki/Carbon_monoxide" title="Carbon monoxide">carbon monoxide</a> began to sublimate and shed the dust frozen into it. This material expands into a vast 130,000 km (81,000 mi) wide halo of dust, called a <a href="/wiki/Coma_(cometary)" class="mw-redirect" title="Coma (cometary)">coma</a>, enveloping the solid nucleus.<sup id="cite_ref-ES-20171002_11-0" class="reference"><a href="#cite_note-ES-20171002-11"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> Outgasing of carbon monoxide was detected when the comet was 6.72 AU from the Sun.<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>Research with the <a href="/wiki/Canada%E2%80%93France%E2%80%93Hawaii_Telescope" title="Canada–France–Hawaii Telescope">Canada–France–Hawaii Telescope</a> (CFHT) infers the <a href="/wiki/Comet_nucleus" title="Comet nucleus">comet nucleus</a> to have a radius between 14–80 km (9–50 mi), so there is a chance the nucleus could be as large as C/1995 O1 (<a href="/wiki/Hale-Bopp" class="mw-redirect" title="Hale-Bopp">Hale-Bopp</a>).<sup id="cite_ref-Meech2017_6-1" class="reference"><a href="#cite_note-Meech2017-6"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> However, research with the <a href="/wiki/Hubble_Space_Telescope" title="Hubble Space Telescope">Hubble Space Telescope</a> (HST) estimates the nucleus to have a circular equivalent diameter of less than 18 km (11 mi).<sup id="cite_ref-Jewitt2017_7-1" class="reference"><a href="#cite_note-Jewitt2017-7"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> On 17 September 2020, morphological studies of the inner coma, observed on 12 September 2020, were reported, noting that two jet-streamed structure were emitted from the nucleus and, as well, that the length of the tail was about 800,000 km (500,000 mi) long.<sup id="cite_ref-AT-20200917_13-0" class="reference"><a href="#cite_note-AT-20200917-13"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> </p><p>The comet was within 5 AU (750 million km) of Earth by 11 January 2022.<sup id="cite_ref-Earth-5au_14-0" class="reference"><a href="#cite_note-Earth-5au-14"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> Around 6 July 2022, the comet crossed the <a href="/wiki/Celestial_equator" title="Celestial equator">celestial equator</a>, and then on 14 July 2022, it passed 1.8 AU (270 million km) from Earth<sup id="cite_ref-Earth-July_15-0" class="reference"><a href="#cite_note-Earth-July-15"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> and shone around 9.0 magnitude making it a decent <a href="/wiki/Binoculars" title="Binoculars">binoculars</a> object.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Yoshida_4-1" class="reference"><a href="#cite_note-Yoshida-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> It reached <a href="/wiki/Perihelion" class="mw-redirect" title="Perihelion">perihelion</a> on 19 December 2022, close to the orbit of <a href="/wiki/Mars" title="Mars">Mars</a>, and was not visible to naked eye at 8.0 magnitude.<sup id="cite_ref-MPC_3-2" class="reference"><a href="#cite_note-MPC-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Yoshida_4-2" class="reference"><a href="#cite_note-Yoshida-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-perihelion_5-1" class="reference"><a href="#cite_note-perihelion-5"><span class="cite-bracket">[</span>a<span class="cite-bracket">]</span></a></sup> </p><p>On 27 July 2021, further detailed observations of the comet were reported on <i><a href="/wiki/The_Astronomer%27s_Telegram" title="The Astronomer's Telegram">The Astronomer's Telegram</a></i>.<sup id="cite_ref-AT-20210727a_17-0" class="reference"><a href="#cite_note-AT-20210727a-17"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-AT-20210727b_18-0" class="reference"><a href="#cite_note-AT-20210727b-18"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p><a href="/wiki/JPL_Horizons_On-Line_Ephemeris_System" title="JPL Horizons On-Line Ephemeris System">JPL Horizons</a> models that C/2017 K2 took millions of years to come from the Oort cloud at a distance of roughly 50,000 <a href="/wiki/Astronomical_unit" title="Astronomical unit">AU</a> (0.8 <a href="/wiki/Light-year" title="Light-year">ly</a>).<sup id="cite_ref-barycenter_2-5" class="reference"><a href="#cite_note-barycenter-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The heliocentric <a href="/wiki/Orbital_eccentricity" title="Orbital eccentricity">orbital eccentricity</a> drops below 1 in December 2023.<sup id="cite_ref-closed_19-0" class="reference"><a href="#cite_note-closed-19"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> The outbound orbital period will be around <span class="nowrap"><span data-sort-value="7004190000000000000♠"></span>19<span style="margin-left:.25em;">000</span></span> years with aphelion being around 1400 AU.<sup id="cite_ref-barycenter_2-6" class="reference"><a href="#cite_note-barycenter-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> There was a dispute whether that was the first time the comet entered the inner solar system, but its orbit suggests that the comet isn't dynamically new and there is a 29% chance that the comet is of <a href="/wiki/Interstellar_object" title="Interstellar object">interstellar origin</a> and was captured by the solar system within the last 3 million years.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Gallery">Gallery</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=edit&section=1" title="Edit section: Gallery"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Distant_active_comet_C_2017_K2.jpg" class="mw-file-description" title="June 2017 by Hubble's Wide Field Camera 3[19]"><img alt="June 2017 by Hubble's Wide Field Camera 3[19]" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Distant_active_comet_C_2017_K2.jpg/120px-Distant_active_comet_C_2017_K2.jpg" decoding="async" width="120" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Distant_active_comet_C_2017_K2.jpg/180px-Distant_active_comet_C_2017_K2.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Distant_active_comet_C_2017_K2.jpg/240px-Distant_active_comet_C_2017_K2.jpg 2x" data-file-width="1000" data-file-height="1000" /></a></span></div> <div class="gallerytext">June 2017 by Hubble's Wide Field Camera 3<sup id="cite_ref-21" class="reference"><a href="#cite_note-21"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup></div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Picture_of_Comet_C2017_K2_(PANSTAARS)_with_M10.jpg" class="mw-file-description" title="11" fast Astrograph on 2022-07-16 while near Messier 10"><img alt="11" fast Astrograph on 2022-07-16 while near Messier 10" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Picture_of_Comet_C2017_K2_%28PANSTAARS%29_with_M10.jpg/120px-Picture_of_Comet_C2017_K2_%28PANSTAARS%29_with_M10.jpg" decoding="async" width="120" height="93" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Picture_of_Comet_C2017_K2_%28PANSTAARS%29_with_M10.jpg/180px-Picture_of_Comet_C2017_K2_%28PANSTAARS%29_with_M10.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Picture_of_Comet_C2017_K2_%28PANSTAARS%29_with_M10.jpg/240px-Picture_of_Comet_C2017_K2_%28PANSTAARS%29_with_M10.jpg 2x" data-file-width="3701" data-file-height="2877" /></a></span></div> <div class="gallerytext">11" fast Astrograph on 2022-07-16 while near <a href="/wiki/Messier_10" title="Messier 10">Messier 10</a></div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:C2017_K2_skypath.png" class="mw-file-description" title="Path of C/2017 K2 in the sky"><img alt="Path of C/2017 K2 in the sky" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/C2017_K2_skypath.png/120px-C2017_K2_skypath.png" decoding="async" width="120" height="110" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/C2017_K2_skypath.png/180px-C2017_K2_skypath.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e0/C2017_K2_skypath.png/240px-C2017_K2_skypath.png 2x" data-file-width="2106" data-file-height="1926" /></a></span></div> <div class="gallerytext">Path of C/2017 K2 in the sky</div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.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 class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-MPEC2017-K35-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-MPEC2017-K35_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/mpec/K17/K17K35.html">"MPEC 2017-K35 : COMET C/2017 K2 (PANSTARRS)"</a>. <a href="/wiki/IAU_Minor_Planet_Center" class="mw-redirect" title="IAU Minor Planet Center">IAU Minor Planet Center</a>. 2017-05-24<span class="reference-accessdate">. Retrieved <span class="nowrap">2017-10-21</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=MPEC+2017-K35+%3A+COMET+C%2F2017+K2+%28PANSTARRS%29&rft.pub=IAU+Minor+Planet+Center&rft.date=2017-05-24&rft_id=http%3A%2F%2Fwww.minorplanetcenter.net%2Fmpec%2FK17%2FK17K35.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span> (CK17K020) (2.6 day observation arc with perihelion estimated to be in 2027)</span> </li> <li id="cite_note-barycenter-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-barycenter_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-barycenter_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-barycenter_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-barycenter_2-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-barycenter_2-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-barycenter_2-5"><sup><i><b>f</b></i></sup></a> <a href="#cite_ref-barycenter_2-6"><sup><i><b>g</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHorizons_output" class="citation web cs1"><a href="/wiki/JPL_Horizons_On-Line_Ephemeris_System" title="JPL Horizons On-Line Ephemeris System">Horizons</a> output. <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%272017+K2%27&TABLE_TYPE=%27ELEMENTS%27&START_TIME=%271950-01-01%27&STOP_TIME=%272050-01-01%27&STEP_SIZE=%27100%20years%27&CENTER=%27@0%27&OUT_UNITS=%27AU-D%27">"Barycentric Osculating Orbital Elements for Comet C/2017 K2 (PANSTARRS)"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Barycentric+Osculating+Orbital+Elements+for+Comet+C%2F2017+K2+%28PANSTARRS%29&rft.au=Horizons+output&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fhorizons_batch.cgi%3Fbatch%3D1%26COMMAND%3D%25272017%2BK2%2527%26TABLE_TYPE%3D%2527ELEMENTS%2527%26START_TIME%3D%25271950-01-01%2527%26STOP_TIME%3D%25272050-01-01%2527%26STEP_SIZE%3D%2527100%2520years%2527%26CENTER%3D%2527%400%2527%26OUT_UNITS%3D%2527AU-D%2527&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span> Solution using the Solar System <a href="/wiki/Barycenter" class="mw-redirect" title="Barycenter">Barycenter</a>. Ephemeris Type:Elements and Center:@0 (To be outside planetary region, inbound epoch 1950 and outbound epoch 2050. For epoch 2050-Jan-01 orbit period is "PR= 6.58E+06 / 365.25 days" = ~18,000 years)</span> </li> <li id="cite_note-MPC-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-MPC_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-MPC_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-MPC_3-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/db_search/show_object?object_id=C%2F2017+K2">"C/2017 K2 (PANSTARRS) Orbit"</a>. <a href="/wiki/Minor_Planet_Center" title="Minor Planet Center">Minor Planet Center</a>. <a rel="nofollow" class="external text" href="https://archive.today/20171113214442/http://www.minorplanetcenter.net/db_search/show_object?object_id=C/2017+K2">Archived</a> from the original on 2017-11-13<span class="reference-accessdate">. Retrieved <span class="nowrap">2017-11-13</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=C%2F2017+K2+%28PANSTARRS%29+Orbit&rft.pub=Minor+Planet+Center&rft_id=http%3A%2F%2Fwww.minorplanetcenter.net%2Fdb_search%2Fshow_object%3Fobject_id%3DC%252F2017%2BK2&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-Yoshida-4"><span class="mw-cite-backlink">^ <a href="#cite_ref-Yoshida_4-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Yoshida_4-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Yoshida_4-2"><sup><i><b>c</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSeiichi_Yoshida" class="citation web cs1">Seiichi Yoshida. <a rel="nofollow" class="external text" href="http://www.aerith.net/comet/catalog/2017K2/2017K2.html">"C/2017 K2 ( PanSTARRS )"</a>. Seiichi Yoshida's Comet Catalog<span class="reference-accessdate">. Retrieved <span class="nowrap">2020-06-02</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=C%2F2017+K2+%28+PanSTARRS+%29&rft.pub=Seiichi+Yoshida%27s+Comet+Catalog&rft.au=Seiichi+Yoshida&rft_id=http%3A%2F%2Fwww.aerith.net%2Fcomet%2Fcatalog%2F2017K2%2F2017K2.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-Meech2017-6"><span class="mw-cite-backlink">^ <a href="#cite_ref-Meech2017_6-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Meech2017_6-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMeech2017" class="citation journal cs1"><a href="/wiki/Karen_Jean_Meech" title="Karen Jean Meech">Meech, Karen</a> (2017). <a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2041-8213%2Faa921f">"CO-Driven Activity in Comet C/2017 K2 (PANSTARRS)"</a>. <i>The Astrophysical Journal Letters</i>. <b>849</b> (1): L8. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1710.03876">1710.03876</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2017ApJ...849L...8M">2017ApJ...849L...8M</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2041-8213%2Faa921f">10.3847/2041-8213/aa921f</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:119214098">119214098</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal+Letters&rft.atitle=CO-Driven+Activity+in+Comet+C%2F2017+K2+%28PANSTARRS%29&rft.volume=849&rft.issue=1&rft.pages=L8&rft.date=2017&rft_id=info%3Aarxiv%2F1710.03876&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A119214098%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.3847%2F2041-8213%2Faa921f&rft_id=info%3Abibcode%2F2017ApJ...849L...8M&rft.aulast=Meech&rft.aufirst=Karen&rft_id=https%3A%2F%2Fdoi.org%2F10.3847%252F2041-8213%252Faa921f&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-Jewitt2017-7"><span class="mw-cite-backlink">^ <a href="#cite_ref-Jewitt2017_7-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Jewitt2017_7-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFJewitt2017" class="citation journal cs1"><a href="/wiki/David_C._Jewitt" title="David C. Jewitt">Jewitt, David</a> (2017). <a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2041-8213%2Faa88b4">"A Comet Active Beyond the Crystallization Zone"</a>. <i><a href="/wiki/The_Astrophysical_Journal" title="The Astrophysical Journal">The Astrophysical Journal</a></i>. <b>847</b> (2): L19. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1709.10079">1709.10079</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2017ApJ...847L..19J">2017ApJ...847L..19J</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2041-8213%2Faa88b4">10.3847/2041-8213/aa88b4</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:119347880">119347880</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal&rft.atitle=A+Comet+Active+Beyond+the+Crystallization+Zone&rft.volume=847&rft.issue=2&rft.pages=L19&rft.date=2017&rft_id=info%3Aarxiv%2F1709.10079&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A119347880%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.3847%2F2041-8213%2Faa88b4&rft_id=info%3Abibcode%2F2017ApJ...847L..19J&rft.aulast=Jewitt&rft.aufirst=David&rft_id=https%3A%2F%2Fdoi.org%2F10.3847%252F2041-8213%252Faa88b4&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-MPEC2017-N26-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-MPEC2017-N26_8-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/mpec/K17/K17N26.html">"MPEC 2017-N26 : COMET C/2017 K2 (PANSTARRS)"</a>. IAU Minor Planet Center. 2017-07-01<span class="reference-accessdate">. Retrieved <span class="nowrap">2017-10-21</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=MPEC+2017-N26+%3A+COMET+C%2F2017+K2+%28PANSTARRS%29&rft.pub=IAU+Minor+Planet+Center&rft.date=2017-07-01&rft_id=http%3A%2F%2Fwww.minorplanetcenter.net%2Fmpec%2FK17%2FK17N26.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-current-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-current_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHorizons_output" class="citation web cs1"><a href="/wiki/JPL_Horizons_On-Line_Ephemeris_System" title="JPL Horizons On-Line Ephemeris System">Horizons</a> output. <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%272017+K2%27&START_TIME=%272023-02-01%27&STOP_TIME=%272023-02-15%27&STEP_SIZE=%271%20day%27&QUANTITIES=%2719,39%27&CENTER=%27@Sun%27">"Current distance from the Sun with 3-sigma uncertainty in km"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Current+distance+from+the+Sun+with+3-sigma+uncertainty+in+km&rft.au=Horizons+output&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fhorizons_batch.cgi%3Fbatch%3D1%26COMMAND%3D%25272017%2BK2%2527%26START_TIME%3D%25272023-02-01%2527%26STOP_TIME%3D%25272023-02-15%2527%26STEP_SIZE%3D%25271%2520day%2527%26QUANTITIES%3D%252719%2C39%2527%26CENTER%3D%2527%40Sun%2527&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-ES-20171002-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-ES-20171002_11-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFByrd2017" class="citation news cs1">Byrd, Deborah (2 October 2017). <a rel="nofollow" class="external text" href="https://earthsky.org/space/c2017-k2-panstarrs-farthest-inbound-active-comet">"Farthest active inbound comet yet"</a>. <i><a href="/wiki/Earth_%26_Sky" title="Earth & Sky">Earth & Sky</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">19 September</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Earth+%26+Sky&rft.atitle=Farthest+active+inbound+comet+yet&rft.date=2017-10-02&rft.aulast=Byrd&rft.aufirst=Deborah&rft_id=https%3A%2F%2Fearthsky.org%2Fspace%2Fc2017-k2-panstarrs-farthest-inbound-active-comet&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFYangJewittZhaoJiang2021" class="citation journal cs1">Yang, Bin; Jewitt, David; Zhao, Yuhui; Jiang, Xuejian; Ye, Quanzhi; Chen, Ying-Tung (10 June 2021). <a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2041-8213%2Fac03b7">"Discovery of Carbon Monoxide in Distant Comet C/2017 K2 (PANSTARRS)"</a>. <i>The Astrophysical Journal Letters</i>. <b>914</b> (1): L17. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/2105.10986">2105.10986</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2021ApJ...914L..17Y">2021ApJ...914L..17Y</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2041-8213%2Fac03b7">10.3847/2041-8213/ac03b7</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:235166808">235166808</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astrophysical+Journal+Letters&rft.atitle=Discovery+of+Carbon+Monoxide+in+Distant+Comet+C%2F2017+K2+%28PANSTARRS%29&rft.volume=914&rft.issue=1&rft.pages=L17&rft.date=2021-06-10&rft_id=info%3Aarxiv%2F2105.10986&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A235166808%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.3847%2F2041-8213%2Fac03b7&rft_id=info%3Abibcode%2F2021ApJ...914L..17Y&rft.aulast=Yang&rft.aufirst=Bin&rft.au=Jewitt%2C+David&rft.au=Zhao%2C+Yuhui&rft.au=Jiang%2C+Xuejian&rft.au=Ye%2C+Quanzhi&rft.au=Chen%2C+Ying-Tung&rft_id=https%3A%2F%2Fdoi.org%2F10.3847%252F2041-8213%252Fac03b7&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-AT-20200917-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-AT-20200917_13-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFManzini,_Federico2020" class="citation news cs1">Manzini, Federico; et al. (17 September 2020). <a rel="nofollow" class="external text" href="http://www.astronomerstelegram.org/?read=14026">"ATel #14026: Morphological structures in the inner coma of comet C/2017 K2 (PanStarrs)"</a>. <i><a href="/wiki/The_Astronomer%27s_Telegram" title="The Astronomer's Telegram">The Astronomer's Telegram</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">19 September</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astronomer%27s+Telegram&rft.atitle=ATel+%2314026%3A+Morphological+structures+in+the+inner+coma+of+comet+C%2F2017+K2+%28PanStarrs%29&rft.date=2020-09-17&rft.au=Manzini%2C+Federico&rft_id=http%3A%2F%2Fwww.astronomerstelegram.org%2F%3Fread%3D14026&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-Earth-5au-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-Earth-5au_14-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%272017+K2%27&START_TIME=%272022-01-10%27&STOP_TIME=%272022-01-13%27&STEP_SIZE=%273%20hours%27&QUANTITIES=%2720%27">"5au from Earth"</a>. <a href="/wiki/JPL_Horizons_On-Line_Ephemeris_System" title="JPL Horizons On-Line Ephemeris System">JPL Horizons</a><span class="reference-accessdate">. Retrieved <span class="nowrap">2022-01-07</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=5au+from+Earth&rft.pub=JPL+Horizons&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fhorizons_batch.cgi%3Fbatch%3D1%26COMMAND%3D%25272017%2BK2%2527%26START_TIME%3D%25272022-01-10%2527%26STOP_TIME%3D%25272022-01-13%2527%26STEP_SIZE%3D%25273%2520hours%2527%26QUANTITIES%3D%252720%2527&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-Earth-July-15"><span class="mw-cite-backlink"><b><a href="#cite_ref-Earth-July_15-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%272017+K2%27&START_TIME=%272022-Jul-11%27&STOP_TIME=%272022-Jul-17%27&STEP_SIZE=%273%20hours%27&QUANTITIES=%2720,39%27">"Closest Approach to Earth in July 2022 (3 hour interval)"</a> (Closest Earth approach occurs when deldot flips from negative to positive). <a href="/wiki/JPL_Horizons_On-Line_Ephemeris_System" title="JPL Horizons On-Line Ephemeris System">JPL Horizons</a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20220622081958/https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%272017+K2%27&START_TIME=%272022-Jul-11%27&STOP_TIME=%272022-Jul-17%27&STEP_SIZE=%273+hours%27&QUANTITIES=%2720%2C39%27">Archived</a> from the original on 2022-06-22<span class="reference-accessdate">. Retrieved <span class="nowrap">2022-06-21</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Closest+Approach+to+Earth+in+July+2022+%283+hour+interval%29&rft.pub=JPL+Horizons&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fhorizons_batch.cgi%3Fbatch%3D1%26COMMAND%3D%25272017%2BK2%2527%26START_TIME%3D%25272022-Jul-11%2527%26STOP_TIME%3D%25272022-Jul-17%2527%26STEP_SIZE%3D%25273%2520hours%2527%26QUANTITIES%3D%252720%2C39%2527&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-16"><span class="mw-cite-backlink"><b><a href="#cite_ref-16">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external text" href="https://www.space.com/38307-distant-active-comet-approaches-hubble-image.html">Hubble Spots Farthest-Ever Incoming Active Comet</a> September 29, 2017</span> </li> <li id="cite_note-AT-20210727a-17"><span class="mw-cite-backlink"><b><a href="#cite_ref-AT-20210727a_17-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFManzini,_Federico2021" class="citation news cs1">Manzini, Federico; et al. (27 July 2021). <a rel="nofollow" class="external text" href="https://www.astronomerstelegram.org/?read=14813">"ATel #14813: Comet C/2017 K2 (PanStarrs) shows jet-shaped dust emissions modulated by extremely slow rotation at greater-than-usual distance from the Sun"</a>. <i><a href="/wiki/The_Astronomer%27s_Telegram" title="The Astronomer's Telegram">The Astronomer's Telegram</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">28 July</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astronomer%27s+Telegram&rft.atitle=ATel+%2314813%3A+Comet+C%2F2017+K2+%28PanStarrs%29+shows+jet-shaped+dust+emissions+modulated+by+extremely+slow+rotation+at+greater-than-usual+distance+from+the+Sun&rft.date=2021-07-27&rft.au=Manzini%2C+Federico&rft_id=https%3A%2F%2Fwww.astronomerstelegram.org%2F%3Fread%3D14813&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-AT-20210727b-18"><span class="mw-cite-backlink"><b><a href="#cite_ref-AT-20210727b_18-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFManzini,_Federico2021" class="citation news cs1">Manzini, Federico; et al. (27 July 2021). <a rel="nofollow" class="external text" href="https://www.astronomerstelegram.org/?read=14813">"ATel #14814: Erratum to ATEL #14813: Comet C/2017 K2 (PanStarrs) shows jet-shaped dust emissions modulated by extremely slow rotation at greater-than-usual distance from the Sun"</a>. <i><a href="/wiki/The_Astronomer%27s_Telegram" title="The Astronomer's Telegram">The Astronomer's Telegram</a></i><span class="reference-accessdate">. Retrieved <span class="nowrap">28 July</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Astronomer%27s+Telegram&rft.atitle=ATel+%2314814%3A+Erratum+to+ATEL+%2314813%3A+Comet+C%2F2017+K2+%28PanStarrs%29+shows+jet-shaped+dust+emissions+modulated+by+extremely+slow+rotation+at+greater-than-usual+distance+from+the+Sun&rft.date=2021-07-27&rft.au=Manzini%2C+Federico&rft_id=https%3A%2F%2Fwww.astronomerstelegram.org%2F%3Fread%3D14813&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-closed-19"><span class="mw-cite-backlink"><b><a href="#cite_ref-closed_19-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHorizons_output" class="citation web cs1"><a href="/wiki/JPL_Horizons_On-Line_Ephemeris_System" title="JPL Horizons On-Line Ephemeris System">Horizons</a> output. <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/horizons_batch.cgi?batch=1&COMMAND=%272017+K2%27&TABLE_TYPE=%27ELEMENTS%27&START_TIME=%272023-11-01%27&STOP_TIME=%272024-01-15%27&STEP_SIZE=%275%20day%27&CENTER=%27@sun%27&OUT_UNITS=%27AU-D%27">"Heliocentric Osculating Orbital Elements for Comet C/2017 K2 (PANSTARRS) dropping below 1.0"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Heliocentric+Osculating+Orbital+Elements+for+Comet+C%2F2017+K2+%28PANSTARRS%29+dropping+below+1.0&rft.au=Horizons+output&rft_id=https%3A%2F%2Fssd.jpl.nasa.gov%2Fhorizons_batch.cgi%3Fbatch%3D1%26COMMAND%3D%25272017%2BK2%2527%26TABLE_TYPE%3D%2527ELEMENTS%2527%26START_TIME%3D%25272023-11-01%2527%26STOP_TIME%3D%25272024-01-15%2527%26STEP_SIZE%3D%25275%2520day%2527%26CENTER%3D%2527%40sun%2527%26OUT_UNITS%3D%2527AU-D%2527&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-20"><span class="mw-cite-backlink"><b><a href="#cite_ref-20">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFMarcosMarcos2018" class="citation journal cs1">Marcos, Raúl de la Fuente; Marcos, Carlos de la Fuente (24 April 2018). <a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2515-5172%2Faabf8f">"Comet C/2017 K2 (PANSTARRS): Dynamically Old or New?"</a>. <i>Research Notes of the AAS</i>. <b>2</b> (2): 10. <a href="/wiki/ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1804.07292">1804.07292</a></span>. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2018RNAAS...2...10D">2018RNAAS...2...10D</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.3847%2F2515-5172%2Faabf8f">10.3847/2515-5172/aabf8f</a></span>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:118938922">118938922</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Research+Notes+of+the+AAS&rft.atitle=Comet+C%2F2017+K2+%28PANSTARRS%29%3A+Dynamically+Old+or+New%3F&rft.volume=2&rft.issue=2&rft.pages=10&rft.date=2018-04-24&rft_id=info%3Aarxiv%2F1804.07292&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A118938922%23id-name%3DS2CID&rft_id=info%3Adoi%2F10.3847%2F2515-5172%2Faabf8f&rft_id=info%3Abibcode%2F2018RNAAS...2...10D&rft.aulast=Marcos&rft.aufirst=Ra%C3%BAl+de+la+Fuente&rft.au=Marcos%2C+Carlos+de+la+Fuente&rft_id=https%3A%2F%2Fdoi.org%2F10.3847%252F2515-5172%252Faabf8f&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> <li id="cite_note-21"><span class="mw-cite-backlink"><b><a href="#cite_ref-21">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.spacetelescope.org/images/opo1740a/">"Distant active comet C/2017 K2"</a>. <i>www.spacetelescope.org</i><span class="reference-accessdate">. Retrieved <span class="nowrap">3 October</span> 2017</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.spacetelescope.org&rft.atitle=Distant+active+comet+C%2F2017+K2&rft_id=https%3A%2F%2Fwww.spacetelescope.org%2Fimages%2Fopo1740a%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AC%2F2017+K2+%28PanSTARRS%29" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="Notes">Notes</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=edit&section=3" title="Edit section: Notes"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239543626"><div class="reflist reflist-lower-alpha"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-perihelion-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-perihelion_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-perihelion_5-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text">Perihelion passage: Upon discovery perihelion was still 5 years away. An epoch of 2022 gives a more accurate perihelion date that properly accounts for planetary perturbations. An epoch 2017 unperturbed <a href="/wiki/Two-body_problem" title="Two-body problem">two-body</a> solution (Sun+comet) gives a date of 2022-Dec-21. Integrating the orbit with <a rel="nofollow" class="external text" href="https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2017K2">JPL Horizons</a> which accounts for planetary perturbations gives a date of 2022-Dec-19. The Minor Planet Center's <a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/mpec/K17/K17N26.html">Epoch Dec 2022</a> solution also gives a date of 2022 Dec. 19</span> </li> <li id="cite_note-Hale-Bopp-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-Hale-Bopp_10-0">^</a></b></span> <span class="reference-text"><a href="/wiki/Comet_Hale%E2%80%93Bopp" title="Comet Hale–Bopp">Comet Hale–Bopp</a> came to <a href="/wiki/Perihelion" class="mw-redirect" title="Perihelion">perihelion</a> (inside the orbit of <a href="/wiki/Earth" title="Earth">Earth</a>) at 0.9 AU whereas C/2017 K2 only comes to perihelion (outside the orbit of <a href="/wiki/Mars" title="Mars">Mars</a>) at 1.79 AU.</span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=C/2017_K2_(PanSTARRS)&action=edit&section=4" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="https://spaceweathergallery.com/indiv_upload.php?upload_id=187463">C/2017 K2 (PANSTARRS) Taken by ALBERTO QUIJANO VODNIZA on August 9, 2022 @ PASTO,NARINO. COLOMBIA</a></li> <li><a rel="nofollow" class="external text" href="http://iopscience.iop.org/article/10.3847/2041-8213/aa88b4">A Comet Active Beyond the Crystallization Zone</a></li> <li><a rel="nofollow" class="external text" href="http://www.minorplanetcenter.net/mpec/K17/K17K90.html">MPEC 2017-K90 : COMET C/2017 K2 (PANSTARRS)</a></li> <li><a rel="nofollow" class="external text" href="https://hubblesite.org/contents/news-releases/2017/news-2017-40.html">NASA's Hubble Observes the Farthest Active Inbound Comet Yet Seen</a></li> <li><a rel="nofollow" class="external text" href="https://arxiv.org/abs/1802.10380">Note on the dynamical evolution of C/2017 K2 PANSTARRS</a> (arXiv 2018)</li> <li><a rel="nofollow" class="external text" href="https://earthsky.org/astronomy-essentials/large-comet-c-2017-k2-panstarrs-summer-2022/">C/2017 K2</a> EarthSky July 12, 2022</li> <li><a rel="nofollow" class="external text" href="https://twitter.com/WierzchosKacper/status/1297040076690489344">C/2017 K2 (PANSTARRS) motion as seen by Catalina Sky Survey</a> 22 August 2020</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist .mw-empty-li{display:none}.mw-parser-output .hlist dt::after{content:": "}.mw-parser-output .hlist dd::after,.mw-parser-output .hlist li::after{content:" · ";font-weight:bold}.mw-parser-output .hlist dd:last-child::after,.mw-parser-output .hlist dt:last-child::after,.mw-parser-output .hlist li:last-child::after{content:none}.mw-parser-output .hlist dd dd:first-child::before,.mw-parser-output .hlist dd dt:first-child::before,.mw-parser-output .hlist dd li:first-child::before,.mw-parser-output .hlist dt dd:first-child::before,.mw-parser-output .hlist dt dt:first-child::before,.mw-parser-output .hlist dt li:first-child::before,.mw-parser-output .hlist li dd:first-child::before,.mw-parser-output .hlist li dt:first-child::before,.mw-parser-output .hlist li li:first-child::before{content:" (";font-weight:normal}.mw-parser-output .hlist dd dd:last-child::after,.mw-parser-output .hlist dd dt:last-child::after,.mw-parser-output .hlist dd li:last-child::after,.mw-parser-output .hlist dt dd:last-child::after,.mw-parser-output .hlist dt dt:last-child::after,.mw-parser-output .hlist dt li:last-child::after,.mw-parser-output .hlist li dd:last-child::after,.mw-parser-output .hlist li dt:last-child::after,.mw-parser-output .hlist li li:last-child::after{content:")";font-weight:normal}.mw-parser-output .hlist ol{counter-reset:listitem}.mw-parser-output .hlist ol>li{counter-increment:listitem}.mw-parser-output .hlist ol>li::before{content:" "counter(listitem)"\a0 "}.mw-parser-output .hlist dd ol>li:first-child::before,.mw-parser-output .hlist dt ol>li:first-child::before,.mw-parser-output .hlist li ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;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}.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}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="Comets" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align: center;"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;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:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}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:Comets" title="Template:Comets"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Comets" title="Template talk:Comets"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Comets" title="Special:EditPage/Template:Comets"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Comets" style="font-size:114%;margin:0 4em"><a href="/wiki/Comet" title="Comet">Comets</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Features</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Comet_nucleus" title="Comet nucleus">Nucleus</a></li> <li><a href="/wiki/Coma_(cometary)" class="mw-redirect" title="Coma (cometary)">Coma</a></li> <li><a href="/wiki/Comet_tail" title="Comet tail">Tails</a></li> <li><a href="/wiki/Antitail" class="mw-redirect" title="Antitail">Antitail</a></li> <li><a href="/wiki/Comet_dust" title="Comet dust">Comet dust</a></li> <li><a href="/wiki/Meteor_shower" title="Meteor shower">Meteor shower</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="6" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Hyakutake_Color.jpg" class="mw-file-description" title="Comet C/1996 B2 (Hyakutake)"><img alt="Comet C/1996 B2 (Hyakutake)" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Hyakutake_Color.jpg/100px-Hyakutake_Color.jpg" decoding="async" width="100" height="75" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Hyakutake_Color.jpg/150px-Hyakutake_Color.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1f/Hyakutake_Color.jpg/200px-Hyakutake_Color.jpg 2x" data-file-width="1500" data-file-height="1125" /></a></span><br /><span typeof="mw:File"><a href="/wiki/File:67P_Churyumov-Gerasimenko_-_Rosetta_(32755885495).png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png/100px-67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png" decoding="async" width="100" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bc/67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png/150px-67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bc/67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png/200px-67P_Churyumov-Gerasimenko_-_Rosetta_%2832755885495%29.png 2x" data-file-width="3200" data-file-height="3200" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Comet#Orbital_characteristics" title="Comet">Types</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_periodic_comets" title="List of periodic comets">Periodic</a> <ul><li><a href="/wiki/List_of_numbered_comets" title="List of numbered comets">Numbered</a></li> <li><a href="/wiki/Lost_comet" title="Lost comet">Lost</a></li> <li><a href="/wiki/List_of_long-period_comets" title="List of long-period comets">Long period</a></li> <li><a href="/wiki/List_of_Halley-type_comets" title="List of Halley-type comets">Halley-type</a></li> <li><a href="/wiki/Jupiter-family_comet" class="mw-redirect" title="Jupiter-family comet">Jupiter-family</a></li> <li><a href="/wiki/Category:Encke-type_comets" title="Category:Encke-type comets">Encke-type</a></li> <li><a href="/wiki/Active_asteroid" title="Active asteroid">Main-belt</a></li></ul></li> <li><a href="/wiki/List_of_non-periodic_comets" class="mw-redirect" title="List of non-periodic comets">Non-periodic</a> <ul><li><a href="/wiki/List_of_near-parabolic_comets" title="List of near-parabolic comets">Near-parabolic</a></li> <li><a href="/wiki/List_of_hyperbolic_comets" title="List of hyperbolic comets">Hyperbolic</a></li> <li><a href="/wiki/List_of_comets_with_no_meaningful_orbit" title="List of comets with no meaningful orbit">Unknown-orbit</a></li></ul></li> <li><a href="/wiki/Great_comet" title="Great comet">Great Comet</a></li> <li><a href="/wiki/Sungrazing_comet" title="Sungrazing comet">Sungrazing</a> (<a href="/wiki/Kreutz_sungrazer" title="Kreutz sungrazer">Kreutz</a>)</li> <li><a href="/wiki/Extinct_comet" title="Extinct comet">Extinct</a></li> <li><a href="/wiki/Exocomet" title="Exocomet">Exocomet</a></li> <li><a href="/wiki/Interstellar_object" title="Interstellar object">Interstellar</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Related</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Naming_of_comets" title="Naming of comets">Naming of comets</a></li> <li><a href="/wiki/Observational_history_of_comets" title="Observational history of comets">Observational history of comets</a></li> <li><a href="/wiki/Centaur_(minor_planet)#Similarities_to_comets" class="mw-redirect" title="Centaur (minor planet)">Centaur</a></li> <li><a href="/wiki/Category:Discoverers_of_comets" title="Category:Discoverers of comets">Comet discoverers</a> <ul><li><a href="/wiki/List_of_comets_discovered_by_the_LINEAR_project" title="List of comets discovered by the LINEAR project">LINEAR</a></li></ul></li> <li><a href="/wiki/Extraterrestrial_atmosphere" title="Extraterrestrial atmosphere">Extraterrestrial atmosphere</a></li> <li><a href="/wiki/Oort_cloud" title="Oort cloud">Oort cloud</a></li> <li><a href="/wiki/Small_Solar_System_body" title="Small Solar System body">Small Solar System body</a></li> <li><a href="/wiki/Asteroid" title="Asteroid">Asteroid</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Exploration</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_missions_to_comets" title="List of missions to comets">List of missions to comets</a></li> <li><a href="/wiki/List_of_comets_visited_by_spacecraft" class="mw-redirect" title="List of comets visited by spacecraft">List of comets visited by spacecraft</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Latest</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/C/2024_S1_(ATLAS)" title="C/2024 S1 (ATLAS)">C/2024 S1 (ATLAS)</a></li> <li><a href="/wiki/C/2023_P1_(Nishimura)" title="C/2023 P1 (Nishimura)">C/2023 P1 (Nishimura)</a></li> <li><a href="/wiki/C/2023_H2_(Lemmon)" title="C/2023 H2 (Lemmon)">C/2023 H2 (Lemmon)</a></li> <li><a href="/wiki/C/2023_E1_(ATLAS)" title="C/2023 E1 (ATLAS)">C/2023 E1 (ATLAS)</a></li> <li><a href="/wiki/C/2023_A3_(Tsuchinshan%E2%80%93ATLAS)" title="C/2023 A3 (Tsuchinshan–ATLAS)">C/2023 A3 (Tsuchinshan–ATLAS)</a></li> <li><a href="/wiki/C/2022_E3_(ZTF)" title="C/2022 E3 (ZTF)">C/2022 E3 (ZTF)</a></li> <li><a href="/wiki/C/2021_O3_(PanSTARRS)" title="C/2021 O3 (PanSTARRS)">C/2021 O3 (PanSTARRS)</a></li> <li><a href="/wiki/C/2021_J1_(Maury-Attard)" title="C/2021 J1 (Maury-Attard)">C/2021 J1 (Maury-Attard)</a></li> <li><a href="/wiki/C/2021_A1_(Leonard)" title="C/2021 A1 (Leonard)">C/2021 A1 (Leonard)</a></li> <li><a href="/wiki/C/2020_F8_(SWAN)" title="C/2020 F8 (SWAN)">C/2020 F8 (SWAN)</a></li> <li><a href="/wiki/C/2020_F5_(MASTER)" title="C/2020 F5 (MASTER)">C/2020 F5 (MASTER)</a></li> <li><a href="/wiki/Comet_NEOWISE" title="Comet NEOWISE">C/2020 F3 (NEOWISE)</a></li> <li><a href="/wiki/C/2019_Y4_(ATLAS)" title="C/2019 Y4 (ATLAS)">C/2019 Y4 (ATLAS)</a></li> <li><a href="/wiki/C/2019_Y1_(ATLAS)" title="C/2019 Y1 (ATLAS)">C/2019 Y1 (ATLAS)</a></li> <li><a href="/wiki/C/2019_U6_(Lemmon)" title="C/2019 U6 (Lemmon)">C/2019 U6 (Lemmon)</a></li> <li><a href="/wiki/2I/Borisov" title="2I/Borisov">2I/Borisov</a></li> <li><a href="/wiki/P/2019_LD2_(ATLAS)" title="P/2019 LD2 (ATLAS)">P/2019 LD2 (ATLAS)</a></li> <li><a href="/wiki/C/2018_Y1_(Iwamoto)" title="C/2018 Y1 (Iwamoto)">C/2018 Y1 (Iwamoto)</a></li> <li><a href="/wiki/C/2018_C2_(Lemmon)" title="C/2018 C2 (Lemmon)">C/2018 C2 (Lemmon)</a></li> <li><a href="/wiki/C/2017_U7" class="mw-redirect" title="C/2017 U7">C/2017 U7</a></li> <li><a class="mw-selflink selflink">C/2017 K2 (PanSTARRS)</a></li> <li><a href="/wiki/C/2016_U1_(NEOWISE)" title="C/2016 U1 (NEOWISE)">C/2016 U1 (NEOWISE)</a></li> <li><a href="/wiki/C/2015_V2_(Johnson)" title="C/2015 V2 (Johnson)">C/2015 V2 (Johnson)</a></li> <li><a href="/wiki/C/2015_G2_(MASTER)" title="C/2015 G2 (MASTER)">C/2015 G2 (MASTER)</a></li> <li><a href="/wiki/C/2015_ER61_(PanSTARRS)" title="C/2015 ER61 (PanSTARRS)">C/2015 ER61 (PanSTARRS)</a></li> <li><a href="/wiki/C/2014_UN271_(Bernardinelli%E2%80%93Bernstein)" title="C/2014 UN271 (Bernardinelli–Bernstein)">C/2014 UN<sub>271</sub> (Bernardinelli–Bernstein)</a></li> <li><a href="/wiki/C/2014_Q2_(Lovejoy)" title="C/2014 Q2 (Lovejoy)">C/2014 Q2 (Lovejoy)</a></li> <li><a href="/wiki/C/2014_Q1_(PanSTARRS)" title="C/2014 Q1 (PanSTARRS)">C/2014 Q1 (PanSTARRS)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Culture and<br />speculation</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Antimatter_comet" title="Antimatter comet">Antimatter comet</a></li> <li><a href="/wiki/Comets_in_fiction" title="Comets in fiction">Comets in fiction</a></li> <li><a href="/wiki/Comet_vintages" title="Comet vintages">Comet vintages</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks mw-collapsible mw-collapsed navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align: center;"><div id="Lists_of_comets_(more)" style="font-size:114%;margin:0 4em"><a href="/wiki/Lists_of_comets" title="Lists of comets">Lists of comets</a> (<a href="/wiki/Category:Lists_of_comets" title="Category:Lists of comets">more</a>)</div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/List_of_numbered_comets" title="List of numbered comets">Periodic<br />comets</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Until 1985<br />(all)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Halley%27s_Comet" title="Halley's Comet">1P/Halley</a></li> <li><a href="/wiki/Comet_Encke" title="Comet Encke">2P/Encke</a></li> <li><a href="/wiki/Biela%27s_Comet" title="Biela's Comet">3D/Biela</a></li> <li><a href="/wiki/4P/Faye" title="4P/Faye">4P/Faye</a></li> <li><a href="/wiki/5D/Brorsen" title="5D/Brorsen">5D/Brorsen</a></li> <li><a href="/wiki/6P/d%27Arrest" title="6P/d'Arrest">6P/d'Arrest</a></li> <li><a href="/wiki/7P/Pons%E2%80%93Winnecke" title="7P/Pons–Winnecke">7P/Pons–Winnecke</a></li> <li><a href="/wiki/8P/Tuttle" title="8P/Tuttle">8P/Tuttle</a></li> <li><a href="/wiki/Tempel_1" title="Tempel 1">9P/Tempel</a></li> <li><a href="/wiki/10P/Tempel" title="10P/Tempel">10P/Tempel</a></li> <li><a href="/wiki/11P/Tempel%E2%80%93Swift%E2%80%93LINEAR" title="11P/Tempel–Swift–LINEAR">11P/Tempel–Swift–LINEAR</a></li> <li><a href="/wiki/12P/Pons%E2%80%93Brooks" title="12P/Pons–Brooks">12P/Pons–Brooks</a></li> <li><a href="/wiki/13P/Olbers" title="13P/Olbers">13P/Olbers</a></li> <li><a href="/wiki/14P/Wolf" title="14P/Wolf">14P/Wolf</a></li> <li><a href="/wiki/15P/Finlay" title="15P/Finlay">15P/Finlay</a></li> <li><a href="/wiki/16P/Brooks" title="16P/Brooks">16P/Brooks</a></li> <li><a href="/wiki/Comet_Holmes" title="Comet Holmes">17P/Holmes</a></li> <li><a href="/wiki/18D/Perrine%E2%80%93Mrkos" title="18D/Perrine–Mrkos">18D/Perrine–Mrkos</a></li> <li><a href="/wiki/19P/Borrelly" title="19P/Borrelly">19P/Borrelly</a></li> <li><a href="/wiki/20D/Westphal" title="20D/Westphal">20D/Westphal</a></li> <li><a href="/wiki/21P/Giacobini%E2%80%93Zinner" title="21P/Giacobini–Zinner">21P/Giacobini–Zinner</a></li> <li><a href="/wiki/22P/Kopff" title="22P/Kopff">22P/Kopff</a></li> <li><a href="/wiki/23P/Brorsen%E2%80%93Metcalf" title="23P/Brorsen–Metcalf">23P/Brorsen–Metcalf</a></li> <li><a href="/wiki/24P/Schaumasse" title="24P/Schaumasse">24P/Schaumasse</a></li> <li><a href="/wiki/25D/Neujmin" title="25D/Neujmin">25D/Neujmin</a></li> <li><a href="/wiki/26P/Grigg%E2%80%93Skjellerup" title="26P/Grigg–Skjellerup">26P/Grigg–Skjellerup</a></li> <li><a href="/wiki/27P/Crommelin" title="27P/Crommelin">27P/Crommelin</a></li> <li><a href="/wiki/28P/Neujmin" title="28P/Neujmin">28P/Neujmin</a></li> <li><a href="/wiki/29P/Schwassmann%E2%80%93Wachmann" title="29P/Schwassmann–Wachmann">29P/Schwassmann–Wachmann</a></li> <li><a href="/wiki/30P/Reinmuth" title="30P/Reinmuth">30P/Reinmuth</a></li> <li><a href="/wiki/31P/Schwassmann%E2%80%93Wachmann" title="31P/Schwassmann–Wachmann">31P/Schwassmann–Wachmann</a></li> <li><a href="/wiki/32P/Comas_Sol%C3%A0" title="32P/Comas Solà">32P/Comas Solà</a></li> <li><a href="/wiki/33P/Daniel" title="33P/Daniel">33P/Daniel</a></li> <li><a href="/wiki/34D/Gale" title="34D/Gale">34D/Gale</a></li> <li><a href="/wiki/35P/Herschel%E2%80%93Rigollet" title="35P/Herschel–Rigollet">35P/Herschel–Rigollet</a></li> <li><a href="/wiki/36P/Whipple" title="36P/Whipple">36P/Whipple</a></li> <li><a href="/wiki/37P/Forbes" title="37P/Forbes">37P/Forbes</a></li> <li><a href="/wiki/38P/Stephan%E2%80%93Oterma" title="38P/Stephan–Oterma">38P/Stephan–Oterma</a></li> <li><a href="/wiki/39P/Oterma" title="39P/Oterma">39P/Oterma</a></li> <li><a href="/wiki/40P/V%C3%A4is%C3%A4l%C3%A4" title="40P/Väisälä">40P/Väisälä</a></li> <li><a href="/wiki/41P/Tuttle%E2%80%93Giacobini%E2%80%93Kres%C3%A1k" title="41P/Tuttle–Giacobini–Kresák">41P/Tuttle–Giacobini–Kresák</a></li> <li><a href="/wiki/42P/Neujmin" title="42P/Neujmin">42P/Neujmin</a></li> <li><a href="/wiki/43P/Wolf%E2%80%93Harrington" title="43P/Wolf–Harrington">43P/Wolf–Harrington</a></li> <li><a href="/wiki/44P/Reinmuth" title="44P/Reinmuth">44P/Reinmuth</a></li> <li><a href="/wiki/45P/Honda%E2%80%93Mrkos%E2%80%93Pajdu%C5%A1%C3%A1kov%C3%A1" title="45P/Honda–Mrkos–Pajdušáková">45P/Honda–Mrkos–Pajdušáková</a></li> <li><a href="/wiki/46P/Wirtanen" title="46P/Wirtanen">46P/Wirtanen</a></li> <li><a href="/wiki/47P/Ashbrook%E2%80%93Jackson" title="47P/Ashbrook–Jackson">47P/Ashbrook–Jackson</a></li> <li><a href="/wiki/48P/Johnson" title="48P/Johnson">48P/Johnson</a></li> <li><a href="/wiki/49P/Arend%E2%80%93Rigaux" title="49P/Arend–Rigaux">49P/Arend–Rigaux</a></li> <li><a href="/wiki/50P/Arend" title="50P/Arend">50P/Arend</a></li> <li><a href="/wiki/51P/Harrington" title="51P/Harrington">51P/Harrington</a></li> <li><a href="/wiki/52P/Harrington%E2%80%93Abell" title="52P/Harrington–Abell">52P/Harrington–Abell</a></li> <li><a href="/wiki/53P/Van_Biesbroeck" title="53P/Van Biesbroeck">53P/Van Biesbroeck</a></li> <li><a href="/wiki/54P/de_Vico%E2%80%93Swift%E2%80%93NEAT" title="54P/de Vico–Swift–NEAT">54P/de Vico–Swift–NEAT</a></li> <li><a href="/wiki/55P/Tempel%E2%80%93Tuttle" title="55P/Tempel–Tuttle">55P/Tempel–Tuttle</a></li> <li><a href="/wiki/56P/Slaughter%E2%80%93Burnham" title="56P/Slaughter–Burnham">56P/Slaughter–Burnham</a></li> <li><a href="/wiki/57P/du_Toit%E2%80%93Neujmin%E2%80%93Delporte" title="57P/du Toit–Neujmin–Delporte">57P/du Toit–Neujmin–Delporte</a></li> <li><a href="/wiki/58P/Jackson%E2%80%93Neujmin" title="58P/Jackson–Neujmin">58P/Jackson–Neujmin</a></li> <li><a href="/wiki/59P/Kearns%E2%80%93Kwee" title="59P/Kearns–Kwee">59P/Kearns–Kwee</a></li> <li><a href="/wiki/60P/Tsuchinshan" title="60P/Tsuchinshan">60P/Tsuchinshan</a></li> <li><a href="/wiki/61P/Shajn%E2%80%93Schaldach" title="61P/Shajn–Schaldach">61P/Shajn–Schaldach</a></li> <li><a href="/wiki/62P/Tsuchinshan" title="62P/Tsuchinshan">62P/Tsuchinshan</a></li> <li><a href="/wiki/63P/Wild" title="63P/Wild">63P/Wild</a></li> <li><a href="/wiki/64P/Swift%E2%80%93Gehrels" title="64P/Swift–Gehrels">64P/Swift–Gehrels</a></li> <li><a href="/wiki/65P/Gunn" title="65P/Gunn">65P/Gunn</a></li> <li><a href="/wiki/66P/du_Toit" title="66P/du Toit">66P/du Toit</a></li> <li><a href="/wiki/67P/Churyumov%E2%80%93Gerasimenko" title="67P/Churyumov–Gerasimenko">67P/Churyumov–Gerasimenko</a></li> <li><a href="/wiki/68P/Klemola" title="68P/Klemola">68P/Klemola</a></li> <li><a href="/wiki/69P/Taylor" title="69P/Taylor">69P/Taylor</a></li> <li><a href="/wiki/70P/Kojima" title="70P/Kojima">70P/Kojima</a></li> <li><a href="/wiki/71P/Clark" title="71P/Clark">71P/Clark</a></li> <li><a href="/wiki/72P/Denning%E2%80%93Fujikawa" title="72P/Denning–Fujikawa">72P/Denning–Fujikawa</a></li> <li><a href="/wiki/73P/Schwassmann%E2%80%93Wachmann" title="73P/Schwassmann–Wachmann">73P/Schwassmann–Wachmann</a></li> <li><a href="/wiki/74P/Smirnova%E2%80%93Chernykh" title="74P/Smirnova–Chernykh">74P/Smirnova–Chernykh</a></li> <li><a href="/wiki/75D/Kohoutek" title="75D/Kohoutek">75D/Kohoutek</a></li> <li><a href="/wiki/76P/West%E2%80%93Kohoutek%E2%80%93Ikemura" title="76P/West–Kohoutek–Ikemura">76P/West–Kohoutek–Ikemura</a></li> <li><a href="/wiki/77P/Longmore" title="77P/Longmore">77P/Longmore</a></li> <li><a href="/wiki/78P/Gehrels" title="78P/Gehrels">78P/Gehrels</a></li> <li><a href="/wiki/79P/du_Toit%E2%80%93Hartley" title="79P/du Toit–Hartley">79P/du Toit–Hartley</a></li> <li><a href="/wiki/80P/Peters%E2%80%93Hartley" title="80P/Peters–Hartley">80P/Peters–Hartley</a></li> <li><a href="/wiki/81P/Wild" title="81P/Wild">81P/Wild</a></li> <li><a href="/wiki/82P/Gehrels" title="82P/Gehrels">82P/Gehrels</a></li> <li><a href="/wiki/83D/Russell" title="83D/Russell">83D/Russell</a></li> <li><a href="/wiki/84P/Giclas" title="84P/Giclas">84P/Giclas</a></li> <li><a href="/wiki/85D/Boethin" title="85D/Boethin">85D/Boethin</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">After 1985<br />(notable)</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/88P/Howell" title="88P/Howell">88P/Howell</a></li> <li><a href="/wiki/92P/Sanguin" title="92P/Sanguin">92P/Sanguin</a></li> <li><a href="/wiki/96P/Machholz" title="96P/Machholz">96P/Machholz</a></li> <li><a href="/wiki/97P/Metcalf%E2%80%93Brewington" title="97P/Metcalf–Brewington">97P/Metcalf–Brewington</a></li> <li><a href="/wiki/103P/Hartley" title="103P/Hartley">103P/Hartley</a></li> <li><a href="/wiki/4015_Wilson%E2%80%93Harrington" title="4015 Wilson–Harrington">107P/Wilson–Harrington</a></li> <li><a href="/wiki/108P/Ciffr%C3%A9o" title="108P/Ciffréo">108P/Ciffréo</a></li> <li><a href="/wiki/Comet_Swift%E2%80%93Tuttle" title="Comet Swift–Tuttle">109P/Swift–Tuttle</a></li> <li><a href="/wiki/122P/de_Vico" title="122P/de Vico">122P/de Vico</a></li> <li><a href="/wiki/126P/IRAS" title="126P/IRAS">126P/IRAS</a></li> <li><a href="/wiki/141P/Machholz" title="141P/Machholz">141P/Machholz</a></li> <li><a href="/wiki/144P/Kushida" title="144P/Kushida">144P/Kushida</a></li> <li><a href="/wiki/147P/Kushida%E2%80%93Muramatsu" title="147P/Kushida–Muramatsu">147P/Kushida–Muramatsu</a></li> <li><a href="/wiki/153P/Ikeya%E2%80%93Zhang" title="153P/Ikeya–Zhang">153P/Ikeya–Zhang</a></li> <li><a href="/wiki/156P/Russell%E2%80%93LINEAR" title="156P/Russell–LINEAR">156P/Russell–LINEAR</a></li> <li><a href="/wiki/161P/Hartley%E2%80%93IRAS" title="161P/Hartley–IRAS">161P/Hartley–IRAS</a></li> <li><a href="/wiki/162P/Siding_Spring" title="162P/Siding Spring">162P/Siding Spring</a></li> <li><a href="/wiki/168P/Hergenrother" title="168P/Hergenrother">168P/Hergenrother</a></li> <li><a href="/wiki/169P/NEAT" title="169P/NEAT">169P/NEAT</a></li> <li><a href="/wiki/177P/Barnard" title="177P/Barnard">177P/Barnard</a></li> <li><a href="/wiki/178P/Hug%E2%80%93Bell" title="178P/Hug–Bell">178P/Hug–Bell</a></li> <li><a href="/wiki/205P/Giacobini" title="205P/Giacobini">205P/Giacobini</a></li> <li><a href="/wiki/209P/LINEAR" title="209P/LINEAR">209P/LINEAR</a></li> <li><a href="/wiki/238P/Read" title="238P/Read">238P/Read</a></li> <li><a href="/wiki/246P/NEAT" title="246P/NEAT">246P/NEAT</a></li> <li><a href="/wiki/249P/LINEAR" title="249P/LINEAR">249P/LINEAR</a></li> <li><a href="/wiki/252P/LINEAR" title="252P/LINEAR">252P/LINEAR</a></li> <li><a href="/wiki/255P/Levy" title="255P/Levy">255P/Levy</a></li> <li><a href="/wiki/273P/Pons%E2%80%93Gambart" title="273P/Pons–Gambart">273P/Pons–Gambart</a></li> <li><a href="/wiki/289P/Blanpain" title="289P/Blanpain">289P/Blanpain</a></li> <li><a href="/wiki/311P/PanSTARRS" title="311P/PanSTARRS">311P/PanSTARRS</a></li> <li><a href="/wiki/322P/SOHO" title="322P/SOHO">322P/SOHO</a></li> <li><a href="/wiki/323P/SOHO" title="323P/SOHO">323P/SOHO</a></li> <li><a href="/wiki/332P/Ikeya%E2%80%93Murakami" title="332P/Ikeya–Murakami">332P/Ikeya–Murakami</a></li> <li><a href="/wiki/333P/LINEAR" title="333P/LINEAR">333P/LINEAR</a></li> <li><a href="/wiki/354P/LINEAR" title="354P/LINEAR">354P/LINEAR</a></li> <li><a href="/wiki/(457175)_2008_GO98" title="(457175) 2008 GO98">362P</a></li> <li><a href="/wiki/460P/PanSTARRS" title="460P/PanSTARRS">460P/PanSTARRS</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Asteroid#Terminology" title="Asteroid">Comet-like<br />asteroids</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/596_Scheila" title="596 Scheila">596 Scheila</a></li> <li><a href="/wiki/2060_Chiron" title="2060 Chiron">2060 Chiron</a> (95P)</li> <li><a href="/wiki/4015_Wilson%E2%80%93Harrington" title="4015 Wilson–Harrington">4015 Wilson–Harrington</a> (107P)</li> <li><a href="/wiki/7968_Elst%E2%80%93Pizarro" title="7968 Elst–Pizarro">7968 Elst–Pizarro</a> (133P)</li> <li><a href="/wiki/165P/LINEAR" title="165P/LINEAR">165P/LINEAR</a></li> <li><a href="/wiki/166P/NEAT" title="166P/NEAT">166P/NEAT</a></li> <li><a href="/wiki/167P/CINEOS" title="167P/CINEOS">167P/CINEOS</a></li> <li><a href="/wiki/60558_Echeclus" title="60558 Echeclus">60558 Echeclus</a> (174P)</li> <li><a href="/wiki/118401_LINEAR" title="118401 LINEAR">118401 LINEAR</a> (176P)</li> <li><a href="/wiki/238P/Read" title="238P/Read">238P/Read</a></li> <li><a href="/wiki/259P/Garradd" title="259P/Garradd">259P/Garradd</a></li> <li><a href="/wiki/311P/PanSTARRS" title="311P/PanSTARRS">311P/PanSTARRS</a></li> <li><a href="/wiki/324P/La_Sagra" title="324P/La Sagra">324P/La Sagra</a></li> <li><a href="/wiki/331P/Gibbs" title="331P/Gibbs">331P/Gibbs</a></li> <li><a href="/wiki/354P/LINEAR" title="354P/LINEAR">354P/LINEAR</a></li> <li><a href="/wiki/358P/PANSTARRS" class="mw-redirect" title="358P/PANSTARRS">358P/PANSTARRS</a></li> <li><a href="/wiki/P/2013_R3_(Catalina-PANSTARRS)" class="mw-redirect" title="P/2013 R3 (Catalina-PANSTARRS)">P/2013 R3 (Catalina-PANSTARRS)</a></li> <li><a href="/wiki/(300163)_2006_VW139" title="(300163) 2006 VW139">(300163) 2006 VW139</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/Lost_comet" title="Lost comet">Lost</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Recovered</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/9P/Tempel" class="mw-redirect" title="9P/Tempel">9P/Tempel</a></li> <li><a href="/wiki/11P/Tempel%E2%80%93Swift%E2%80%93LINEAR" title="11P/Tempel–Swift–LINEAR">11P/Tempel–Swift–LINEAR</a></li> <li><a href="/wiki/15P/Finlay" title="15P/Finlay">15P/Finlay</a></li> <li><a href="/wiki/Comet_Holmes" title="Comet Holmes">17P/Holmes</a></li> <li><a href="/wiki/27P/Crommelin" title="27P/Crommelin">27P/Crommelin</a></li> <li><a href="/wiki/54P/de_Vico%E2%80%93Swift%E2%80%93NEAT" title="54P/de Vico–Swift–NEAT">54P/de Vico–Swift–NEAT</a></li> <li><a href="/wiki/55P/Tempel%E2%80%93Tuttle" title="55P/Tempel–Tuttle">55P/Tempel–Tuttle</a></li> <li><a href="/wiki/57P/du_Toit%E2%80%93Neujmin%E2%80%93Delporte" title="57P/du Toit–Neujmin–Delporte">57P/du Toit–Neujmin–Delporte</a></li> <li><a href="/wiki/69P/Taylor" title="69P/Taylor">69P/Taylor</a></li> <li><a href="/wiki/72P/Denning%E2%80%93Fujikawa" title="72P/Denning–Fujikawa">72P/Denning–Fujikawa</a></li> <li><a href="/wiki/80P/Peters%E2%80%93Hartley" title="80P/Peters–Hartley">80P/Peters–Hartley</a></li> <li><a href="/wiki/97P/Metcalf%E2%80%93Brewington" title="97P/Metcalf–Brewington">97P/Metcalf–Brewington</a></li> <li><a href="/wiki/4015_Wilson%E2%80%93Harrington" title="4015 Wilson–Harrington">107P/Wilson–Harrington</a></li> <li><a href="/wiki/113P/Spitaler" title="113P/Spitaler">113P/Spitaler</a></li> <li><a href="/wiki/122P/de_Vico" title="122P/de Vico">122P/de Vico</a></li> <li><a href="/wiki/157P/Tritton" title="157P/Tritton">157P/Tritton</a></li> <li><a href="/wiki/205P/Giacobini" title="205P/Giacobini">205P/Giacobini</a></li> <li><a href="/wiki/206P/Barnard%E2%80%93Boattini" title="206P/Barnard–Boattini">206P/Barnard–Boattini</a></li> <li><a href="/wiki/226P/Pigott%E2%80%93LINEAR%E2%80%93Kowalski" title="226P/Pigott–LINEAR–Kowalski">226P/Pigott–LINEAR–Kowalski</a></li> <li><a href="/wiki/271P/van_Houten%E2%80%93Lemmon" title="271P/van Houten–Lemmon">271P/van Houten–Lemmon</a></li> <li><a href="/wiki/289P/Blanpain" title="289P/Blanpain">289P/Blanpain</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Destroyed</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Biela%27s_Comet" title="Biela's Comet">3D/Biela</a></li> <li><a href="/wiki/Comet_Shoemaker%E2%80%93Levy_9" title="Comet Shoemaker–Levy 9">D/1993 F2 (Shoemaker–Levy 9)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Not found</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Lexell%27s_Comet" title="Lexell's Comet">D/1770 L1 (Lexell)</a></li> <li><a href="/wiki/5D/Brorsen" title="5D/Brorsen">5D/Brorsen</a></li> <li><a href="/wiki/18D/Perrine%E2%80%93Mrkos" title="18D/Perrine–Mrkos">18D/Perrine–Mrkos</a></li> <li><a href="/wiki/20D/Westphal" title="20D/Westphal">20D/Westphal</a></li> <li><a href="/wiki/25D/Neujmin" title="25D/Neujmin">25D/Neujmin</a></li> <li><a href="/wiki/34D/Gale" title="34D/Gale">34D/Gale</a></li> <li><a href="/wiki/75D/Kohoutek" title="75D/Kohoutek">75D/Kohoutek</a></li> <li><a href="/wiki/83D/Russell" title="83D/Russell">83D/Russell</a></li> <li><a href="/wiki/85D/Boethin" title="85D/Boethin">85D/Boethin</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/List_of_minor_planets_and_comets_visited_by_spacecraft#List_of_comets_visited_by_spacecraft" title="List of minor planets and comets visited by spacecraft">Visited by<br />spacecraft</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/21P/Giacobini%E2%80%93Zinner" title="21P/Giacobini–Zinner">21P/Giacobini–Zinner</a> (1985)</li> <li><a href="/wiki/Halley%27s_Comet" title="Halley's Comet">1P/Halley</a> (1986)</li> <li><a href="/wiki/26P/Grigg%E2%80%93Skjellerup" title="26P/Grigg–Skjellerup">26P/Grigg–Skjellerup</a> (1992)</li> <li><a href="/wiki/19P/Borrelly" title="19P/Borrelly">19P/Borrelly</a> (2001)</li> <li><a href="/wiki/81P/Wild" title="81P/Wild">81P/Wild</a> (2004)</li> <li><a href="/wiki/Tempel_1" title="Tempel 1">9P/Tempel</a> (2005, 2011)</li> <li><a href="/wiki/Comet_McNaught" title="Comet McNaught">C/2006 P1</a> (2007)</li> <li><a href="/wiki/103P/Hartley" title="103P/Hartley">103P/Hartley</a> (2010)</li> <li><a href="/wiki/67P/Churyumov%E2%80%93Gerasimenko" title="67P/Churyumov–Gerasimenko">67P/Churyumov–Gerasimenko</a> (2014)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;"><a href="/wiki/List_of_near-parabolic_comets" title="List of near-parabolic comets">Near-Parabolic<br />comets<br />(notable)</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">Until 1990</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Caesar%27s_Comet" title="Caesar's Comet">C/-43 K1 (Caesar's Comet)</a></li> <li><a href="/wiki/X/1106_C1" title="X/1106 C1">X/1106 C1 (Great Comet of 1106)</a></li> <li><a href="/wiki/Great_Comet_of_1264" title="Great Comet of 1264">C/1264 N1 (Great Comet of 1264)</a></li> <li><a href="/wiki/Great_Comet_of_1402" title="Great Comet of 1402">C/1402 D1 (Great Comet of 1402)</a></li> <li><a href="/wiki/Great_Comet_of_1472" title="Great Comet of 1472">C/1471 Y1 (Great Comet of 1472)</a></li> <li><a href="/wiki/Great_Comet_of_1577" title="Great Comet of 1577">C/1577 V1 (Great Comet of 1577)</a></li> <li><a href="/wiki/C/1652_Y1" title="C/1652 Y1">C/1652 Y1</a></li> <li><a href="/wiki/Great_Comet_of_1680" title="Great Comet of 1680">C/1680 V1 (Great Comet of 1680, Kirsch's Comet, Newton's Comet)</a>)</li> <li><a href="/wiki/C/1702_H1" title="C/1702 H1">C/1702 H1 (Comet of 1702)</a></li> <li><a href="/wiki/Comet_of_1729" class="mw-redirect" title="Comet of 1729">C/1729 P1 (Comet of 1729, Comet Sarabat)</a></li> <li><a href="/wiki/Great_Comet_of_1744" title="Great Comet of 1744">C/1743 X1 (Great Comet of 1744, Comet Klinkenberg-Chéseaux)</a></li> <li><a href="/wiki/C/1760_A1" title="C/1760 A1">C/1760 A1 (Great Comet of 1760)</a></li> <li><a href="/wiki/C/1769_P1" class="mw-redirect" title="C/1769 P1">C/1769 P1 (Great Comet of 1769)</a></li> <li><a href="/wiki/C/1807_R1" title="C/1807 R1">C/1807 R1 (Great Comet of 1807)</a></li> <li><a href="/wiki/Great_Comet_of_1811" title="Great Comet of 1811">C/1811 F1 (Great Comet of 1811)</a></li> <li><a href="/wiki/Great_Comet_of_1819" title="Great Comet of 1819">C/1819 N1 (Great Comet of 1819)</a></li> <li><a href="/wiki/Great_Comet_of_1823" title="Great Comet of 1823">C/1823 Y1 (Great Comet of 1823)</a></li> <li><a href="/wiki/Great_Comet_of_1843" title="Great Comet of 1843">C/1843 D1 (Great March Comet of 1843)</a></li> <li><a href="/wiki/C/1847_T1" class="mw-redirect" title="C/1847 T1">C/1847 T1 (Miss Mitchell's Comet)</a></li> <li><a href="/wiki/Comet_Donati" title="Comet Donati">C/1858 L1 (Comet Donati)</a></li> <li><a href="/wiki/C/1861_G1_(Thatcher)" title="C/1861 G1 (Thatcher)">C/1861 G1 (Comet Thatcher)</a></li> <li><a href="/wiki/C/1861_J1" title="C/1861 J1">C/1861 J1 (Great Comet of 1861)</a></li> <li><a href="/wiki/C/1865_B1" title="C/1865 B1">C/1865 B1 (Great Southern Comet of 1865)</a></li> <li><a href="/wiki/X/1872_X1" title="X/1872 X1">X/1872 X1 (Pogson's Comet)</a></li> <li><a href="/wiki/C/1874_H1" class="mw-redirect" title="C/1874 H1">C/1874 H1 (Comet Coggia)</a></li> <li><a href="/wiki/C/1881_K1" class="mw-redirect" title="C/1881 K1">C/1881 K1 (Comet Tebbutt)</a></li> <li><a href="/wiki/Great_Comet_of_1882" title="Great Comet of 1882">C/1882 R1 (Great Comet of 1882)</a></li> <li><a href="/wiki/Great_Southern_Comet_of_1887" title="Great Southern Comet of 1887">C/1887 B1 (Great Southern Comet of 1887)</a></li> <li><a href="/wiki/Great_Comet_of_1901" title="Great Comet of 1901">C/1901 G1 (Great Comet of 1901)</a></li> <li><a href="/wiki/Great_January_Comet_of_1910" title="Great January Comet of 1910">C/1910 A1 (Great January Comet of 1910)</a></li> <li><a href="/wiki/C/1911_O1" class="mw-redirect" title="C/1911 O1">C/1911 O1 (Brooks)</a></li> <li><a href="/wiki/C/1911_S3" class="mw-redirect" title="C/1911 S3">C/1911 S3 (Beljawsky)</a></li> <li><a href="/wiki/Comet_Skjellerup%E2%80%93Maristany" title="Comet Skjellerup–Maristany">C/1927 X1 (Skjellerup–Maristany)</a></li> <li><a href="/wiki/C/1931_P1_(Ryves)" class="mw-redirect" title="C/1931 P1 (Ryves)">C/1931 P1 (Ryves)</a></li> <li><a href="/wiki/C/1941_B2_(de_Kock-Paraskevopoulos)" class="mw-redirect" title="C/1941 B2 (de Kock-Paraskevopoulos)">C/1941 B2 (de Kock-Paraskevopoulos)</a></li> <li><a href="/wiki/C/1947_X1_(Southern_Comet)" class="mw-redirect" title="C/1947 X1 (Southern Comet)">C/1947 X1 (Southern Comet)</a></li> <li><a href="/wiki/C/1948_V1" title="C/1948 V1">C/1948 V1 (Eclipse)</a></li> <li><a href="/wiki/Comet_Arend%E2%80%93Roland" title="Comet Arend–Roland">C/1956 R1 (Arend–Roland)</a></li> <li><a href="/wiki/C/1957_P1_(Mrkos)" title="C/1957 P1 (Mrkos)">C/1957 P1 (Mrkos)</a></li> <li><a href="/w/index.php?title=C/1961_O1_(Wilson-Hubbard)&action=edit&redlink=1" class="new" title="C/1961 O1 (Wilson-Hubbard) (page does not exist)">C/1961 O1 (Wilson-Hubbard)</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://de.wikipedia.org/wiki/C/1961_O1_(Wilson-Hubbard)" class="extiw" title="de:C/1961 O1 (Wilson-Hubbard)">de</a>]</span></li> <li><a href="/wiki/Comet_Humason" title="Comet Humason">C/1961 R1 (Humason)</a></li> <li><a href="/wiki/C/1962_C1_(Seki-Lines)" class="mw-redirect" title="C/1962 C1 (Seki-Lines)">C/1962 C1 (Seki-Lines)</a></li> <li><a href="/wiki/C/1963_A1_(Ikeya)" title="C/1963 A1 (Ikeya)">C/1963 A1 (Ikeya)</a></li> <li><a href="/wiki/Comet_Pereyra" title="Comet Pereyra">C/1963 R1 (Pereyra)</a></li> <li><a href="/wiki/C/1964_N1_(Ikeya)" title="C/1964 N1 (Ikeya)">C/1964 N1 (Ikeya)</a></li> <li><a href="/wiki/Comet_Ikeya%E2%80%93Seki" title="Comet Ikeya–Seki">C/1965 S1 (Ikeya-Seki)</a></li> <li><a href="/w/index.php?title=C/1969_T1_(Tago-Sato-Kosaka)&action=edit&redlink=1" class="new" title="C/1969 T1 (Tago-Sato-Kosaka) (page does not exist)">C/1969 T1 (Tago-Sato-Kosaka)</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://de.wikipedia.org/wiki/C/1969_T1_(Tago-Sato-Kosaka)" class="extiw" title="de:C/1969 T1 (Tago-Sato-Kosaka)">de</a>]</span></li> <li><a href="/wiki/Comet_Bennett" title="Comet Bennett">C/1969 Y1 (Bennett)</a></li> <li><a href="/wiki/Comet_White%E2%80%93Ortiz%E2%80%93Bolelli" title="Comet White–Ortiz–Bolelli">C/1970 K1 (White–Ortiz–Bolelli)</a></li> <li><a href="/wiki/Comet_Kohoutek" title="Comet Kohoutek">C/1973 E1 (Kohoutek)</a></li> <li><a href="/wiki/Comet_West" title="Comet West">C/1975 V1 (West)</a></li> <li><a href="/wiki/C/1980_E1_(Bowell)" title="C/1980 E1 (Bowell)">C/1980 E1 (Bowell)</a></li> <li><a href="/wiki/Comet_IRAS%E2%80%93Araki%E2%80%93Alcock" title="Comet IRAS–Araki–Alcock">C/1983 H1 (IRAS–Araki–Alcock)</a></li> <li><a href="/wiki/C/1989_W1_(Aarseth-Brewington)" class="mw-redirect" title="C/1989 W1 (Aarseth-Brewington)">C/1989 W1 (Aarseth-Brewington)</a></li> <li><a href="/wiki/C/1989_X1_(Austin)" title="C/1989 X1 (Austin)">C/1989 X1 (Austin)</a></li> <li><a href="/wiki/Comet_Skorichenko%E2%80%93George" class="mw-redirect" title="Comet Skorichenko–George">C/1989 Y1 (Skorichenko–George)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">After 1990</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/C/1990_K1_(Levy)" title="C/1990 K1 (Levy)">C/1990 K1 (Levy)</a></li> <li><a href="/wiki/C/1992_J1_(Spacewatch)" title="C/1992 J1 (Spacewatch)">C/1992 J1 (Spacewatch–Rabinowitz)</a></li> <li><a href="/wiki/Comet_McNaught%E2%80%93Russell" class="mw-redirect" title="Comet McNaught–Russell">C/1993 Y1 (McNaught–Russell)</a></li> <li><a href="/wiki/Comet_Hale%E2%80%93Bopp" title="Comet Hale–Bopp">C/1995 O1 (Hale–Bopp)</a></li> <li><a href="/wiki/Comet_Hyakutake" title="Comet Hyakutake">C/1996 B2 (Hyakutake)</a></li> <li><a href="/wiki/Comet_Zhu%E2%80%93Balam" class="mw-redirect" title="Comet Zhu–Balam">C/1997 L1 (Zhu–Balam)</a></li> <li><a href="/wiki/Comet_Stonehouse" class="mw-redirect" title="Comet Stonehouse">C/1998 H1 (Stonehouse)</a></li> <li><a href="/w/index.php?title=C/1998_J1_(SOHO)&action=edit&redlink=1" class="new" title="C/1998 J1 (SOHO) (page does not exist)">C/1998 J1 (SOHO)</a></li> <li><a href="/wiki/C/1999_F1_(Catalina)" title="C/1999 F1 (Catalina)">C/1999 F1 (Catalina)</a></li> <li><a href="/wiki/C/1999_S4_(LINEAR)" title="C/1999 S4 (LINEAR)">C/1999 S4 (LINEAR)</a></li> <li><a href="/wiki/C/2000_WM1_(LINEAR)" title="C/2000 WM1 (LINEAR)">C/2000 WM1 (LINEAR)</a></li> <li><a href="/wiki/C/2001_A2_(LINEAR)" title="C/2001 A2 (LINEAR)">C/2001 A2 (LINEAR)</a></li> <li><a href="/wiki/C/2001_OG108" class="mw-redirect" title="C/2001 OG108">C/2001 OG108 (LONEOS)</a></li> <li><a href="/wiki/C/2001_Q4_(NEAT)" title="C/2001 Q4 (NEAT)">C/2001 Q4 (NEAT)</a></li> <li><a href="/wiki/C/2002_T7" class="mw-redirect" title="C/2002 T7">C/2002 T7 (LINEAR)</a></li> <li><a href="/wiki/C/2002_V1_(NEAT)" title="C/2002 V1 (NEAT)">C/2002 V1 (NEAT)</a></li> <li><a href="/wiki/C/2004_F4_(Bradfield)" title="C/2004 F4 (Bradfield)">C/2004 F4 (Bradfield)</a></li> <li><a href="/wiki/Comet_Machholz" title="Comet Machholz">C/2004 Q2 (Machholz)</a></li> <li><a href="/wiki/Comet_Pojma%C5%84ski" class="mw-redirect" title="Comet Pojmański">C/2006 A1 (Pojmański)</a></li> <li><a href="/wiki/C/2006_M4_(SWAN)" title="C/2006 M4 (SWAN)">C/2006 M4 (SWAN)</a></li> <li><a href="/wiki/Comet_McNaught" title="Comet McNaught">C/2006 P1 (McNaught)</a></li> <li><a href="/wiki/C/2007_E2_(Lovejoy)" title="C/2007 E2 (Lovejoy)">C/2007 E2 (Lovejoy)</a></li> <li><a href="/wiki/C/2007_F1" class="mw-redirect" title="C/2007 F1">C/2007 F1 (LONEOS)</a></li> <li><a href="/wiki/Comet_Lulin" class="mw-redirect" title="Comet Lulin">C/2007 N3 (Lulin)</a></li> <li><a href="/wiki/C/2007_Q3_(Siding_Spring)" title="C/2007 Q3 (Siding Spring)">C/2007 Q3 (Siding Spring)</a></li> <li><a href="/wiki/C/2007_W1_(Boattini)" title="C/2007 W1 (Boattini)">C/2007 W1 (Boattini)</a></li> <li><a href="/wiki/Comet_Yi%E2%80%93SWAN" class="mw-redirect" title="Comet Yi–SWAN">C/2009 F6 (Yi–SWAN)</a></li> <li><a href="/wiki/C/2009_R1_(McNaught)" title="C/2009 R1 (McNaught)">C/2009 R1 (McNaught)</a></li> <li><a href="/wiki/C/2010_X1_(Elenin)" title="C/2010 X1 (Elenin)">C/2010 X1 (Elenin)</a></li> <li><a href="/wiki/C/2011_L4" class="mw-redirect" title="C/2011 L4">C/2011 L4 (PANSTARRS)</a></li> <li><a href="/wiki/C/2011_W3_(Lovejoy)" title="C/2011 W3 (Lovejoy)">C/2011 W3 (Lovejoy)</a></li> <li><a href="/wiki/C/2012_E2_(SWAN)" title="C/2012 E2 (SWAN)">C/2012 E2 (SWAN)</a></li> <li><a href="/wiki/C/2012_F6_(Lemmon)" title="C/2012 F6 (Lemmon)">C/2012 F6 (Lemmon)</a></li> <li><a href="/wiki/C/2012_K1" class="mw-redirect" title="C/2012 K1">C/2012 K1 (PANSTARRS)</a></li> <li><a href="/wiki/Comet_ISON" title="Comet ISON">C/2012 S1 (ISON)</a></li> <li><a href="/wiki/C/2013_A1_(Siding_Spring)" title="C/2013 A1 (Siding Spring)">C/2013 A1 (Siding Spring)</a></li> <li><a href="/wiki/C/2013_R1" class="mw-redirect" title="C/2013 R1">C/2013 R1 (Lovejoy)</a></li> <li><a href="/wiki/C/2013_US10_(Catalina)" title="C/2013 US10 (Catalina)">C/2013 US10 (Catalina)</a></li> <li><a href="/wiki/C/2013_V5_(Oukaimeden)" title="C/2013 V5 (Oukaimeden)">C/2013 V5 (Oukaimeden)</a></li> <li><a href="/wiki/C/2014_E2_(Jacques)" title="C/2014 E2 (Jacques)">C/2014 E2 (Jacques)</a></li> <li><a href="/wiki/C/2014_Q1_(PanSTARRS)" title="C/2014 Q1 (PanSTARRS)">C/2014 Q1 (PanSTARRS)</a></li> <li><a href="/wiki/C/2014_Q2_(Lovejoy)" title="C/2014 Q2 (Lovejoy)">C/2014 Q2 (Lovejoy)</a></li> <li><a href="/wiki/C/2015_ER61_(PanSTARRS)" title="C/2015 ER61 (PanSTARRS)">C/2015 ER61 (PanSTARRS)</a></li> <li><a href="/wiki/C/2015_V2_(Johnson)" title="C/2015 V2 (Johnson)">C/2015 V2 (Johnson)</a></li> <li><a class="mw-selflink selflink">C/2017 K2 (PanSTARRS)</a></li> <li><a href="/wiki/%CA%BBOumuamua" title="ʻOumuamua">1I/2017 U1 ʻOumuamua</a></li> <li><a href="/wiki/C/2018_Y1_(Iwamoto)" title="C/2018 Y1 (Iwamoto)">C/2018 Y1 (Iwamoto)</a></li> <li><a href="/wiki/2I/Borisov" title="2I/Borisov">2I/Borisov</a></li> <li><a href="/wiki/C/2019_U6_(Lemmon)" title="C/2019 U6 (Lemmon)">C/2019 U6 (Lemmon)</a></li> <li><a href="/wiki/C/2019_Y4_(ATLAS)" title="C/2019 Y4 (ATLAS)">C/2019 Y4 (ATLAS)</a></li> <li><a href="/wiki/C/2020_F3_(NEOWISE)" class="mw-redirect" title="C/2020 F3 (NEOWISE)">C/2020 F3 (NEOWISE)</a></li> <li><a href="/wiki/C/2020_F8_(SWAN)" title="C/2020 F8 (SWAN)">C/2020 F8 (SWAN)</a></li> <li><a href="/wiki/C/2021_A1_(Leonard)" title="C/2021 A1 (Leonard)">C/2021 A1 (Leonard)</a></li> <li><a href="/wiki/C/2022_E3_(ZTF)" title="C/2022 E3 (ZTF)">C/2022 E3 (ZTF)</a></li> <li><a href="/wiki/C/2023_A3_(Tsuchinshan%E2%80%93ATLAS)" title="C/2023 A3 (Tsuchinshan–ATLAS)">C/2023 A3 (Tsuchinshan–ATLAS)</a></li> <li><a href="/wiki/C/2023_P1_(Nishimura)" title="C/2023 P1 (Nishimura)">C/2023 P1 (Nishimura)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%;text-align: center;">After 1910<br />(by name)</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/C/1989_W1_(Aarseth-Brewington)" class="mw-redirect" title="C/1989 W1 (Aarseth-Brewington)">Aarseth-Brewington</a></li> <li><a href="/wiki/Comet_Arend%E2%80%93Roland" title="Comet Arend–Roland">Arend–Roland</a></li> <li><a href="/wiki/C/1989_X1_(Austin)" title="C/1989 X1 (Austin)">Austin</a></li> <li><a href="/wiki/C/1911_S3" class="mw-redirect" title="C/1911 S3">Beljawsky</a></li> <li><a href="/wiki/Comet_Bennett" title="Comet Bennett">Bennett</a></li> <li><a href="/wiki/C/2007_W1_(Boattini)" title="C/2007 W1 (Boattini)">Boattini</a></li> <li><a href="/wiki/2I/Borisov" title="2I/Borisov">Borisov</a></li> <li><a href="/wiki/C/1980_E1_(Bowell)" title="C/1980 E1 (Bowell)">Bowell</a></li> <li><a href="/wiki/C/2004_F4_(Bradfield)" title="C/2004 F4 (Bradfield)">Bradfield</a></li> <li><a href="/wiki/C/1911_O1" class="mw-redirect" title="C/1911 O1">Brooks</a></li> <li><a href="/wiki/Catalina_Sky_Survey" title="Catalina Sky Survey">Catalina</a> <ul><li><a href="/wiki/C/1999_F1_(Catalina)" title="C/1999 F1 (Catalina)">C/1999 F1</a></li> <li><a href="/wiki/C/2013_US10" class="mw-redirect" title="C/2013 US10">C/2013 US10</a></li></ul></li> <li><a href="/wiki/C/1941_B2_(de_Kock-Paraskevopoulos)" class="mw-redirect" title="C/1941 B2 (de Kock-Paraskevopoulos)">de Kock–Paraskevopoulos</a></li> <li><a href="/wiki/C/1948_V1" title="C/1948 V1">Eclipse</a></li> <li><a href="/wiki/C/2010_X1_(Elenin)" title="C/2010 X1 (Elenin)">Elenin</a></li> <li><a href="/wiki/Comet_Hale%E2%80%93Bopp" title="Comet Hale–Bopp">Hale-Bopp</a></li> <li><a href="/wiki/Comet_Humason" title="Comet Humason">Humason</a></li> <li><a href="/wiki/Comet_Hyakutake" title="Comet Hyakutake">Hyakutake</a></li> <li><a href="/wiki/Kaoru_Ikeya" title="Kaoru Ikeya">Ikeya</a> <ul><li><a href="/wiki/C/1963_A1_(Ikeya)" title="C/1963 A1 (Ikeya)">C/1963 A1</a></li> <li><a href="/wiki/C/1964_N1_(Ikeya)" title="C/1964 N1 (Ikeya)">C/1964 N1</a></li></ul></li> <li><a href="/wiki/Comet_Ikeya%E2%80%93Seki" title="Comet Ikeya–Seki">Ikeya-Seki</a></li> <li><a href="/wiki/Comet_IRAS%E2%80%93Araki%E2%80%93Alcock" title="Comet IRAS–Araki–Alcock">IRAS–Araki–Alcock</a></li> <li><a href="/wiki/Comet_ISON" title="Comet ISON">ISON</a></li> <li><a href="/wiki/C/2018_Y1_(Iwamoto)" title="C/2018 Y1 (Iwamoto)">Iwamoto</a></li> <li><a href="/wiki/C/2014_E2_(Jacques)" title="C/2014 E2 (Jacques)">Jacques</a></li> <li><a href="/wiki/C/2015_V2_(Johnson)" title="C/2015 V2 (Johnson)">Johnson</a></li> <li><a href="/wiki/Comet_Kohoutek" title="Comet Kohoutek">Kohoutek</a></li> <li><a href="/wiki/Mount_Lemmon_Observatory" title="Mount Lemmon Observatory">Lemmon</a> <ul><li><a href="/wiki/C/2012_F6_(Lemmon)" title="C/2012 F6 (Lemmon)">C/2012 F6</a></li> <li><a href="/wiki/C/2018_C2_(Lemmon)" title="C/2018 C2 (Lemmon)">C/2018 C2</a></li> <li><a href="/wiki/C/2019_U6_(Lemmon)" title="C/2019 U6 (Lemmon)">C/2019 U6</a></li></ul></li> <li><a href="/wiki/C/2021_A1_(Leonard)" title="C/2021 A1 (Leonard)">Leonard</a></li> <li><a href="/wiki/C/1990_K1_(Levy)" title="C/1990 K1 (Levy)">Levy</a></li> <li><a href="/wiki/Lincoln_Near-Earth_Asteroid_Research" title="Lincoln Near-Earth Asteroid Research">LINEAR</a> <ul><li><a href="/wiki/C/1999_S4_(LINEAR)" title="C/1999 S4 (LINEAR)">C/1999 S4</a></li> <li><a href="/wiki/C/2000_WM1_(LINEAR)" title="C/2000 WM1 (LINEAR)">C/2000 WM1</a></li> <li><a href="/wiki/C/2001_A2_(LINEAR)" title="C/2001 A2 (LINEAR)">C/2001 A2</a></li> <li><a href="/wiki/C/2002_T7" class="mw-redirect" title="C/2002 T7">C/2002 T7</a></li></ul></li> <li><a href="/wiki/Lowell_Observatory_Near-Earth-Object_Search" title="Lowell Observatory Near-Earth-Object Search">LONEOS</a> <ul><li><a href="/wiki/C/2001_OG108" class="mw-redirect" title="C/2001 OG108">C/2001 OG108</a></li> <li><a href="/wiki/C/2007_F1" class="mw-redirect" title="C/2007 F1">C/2007 F1</a></li></ul></li> <li><a href="/wiki/Terry_Lovejoy" title="Terry Lovejoy">Lovejoy</a> <ul><li><a href="/wiki/C/2007_E2_(Lovejoy)" title="C/2007 E2 (Lovejoy)">C/2007 E2</a></li> <li><a href="/wiki/C/2011_W3_(Lovejoy)" title="C/2011 W3 (Lovejoy)">C/2011 W3</a></li> <li><a href="/wiki/C/2013_R1" class="mw-redirect" title="C/2013 R1">C/2013 R1</a></li> <li><a href="/wiki/C/2014_Q2_(Lovejoy)" title="C/2014 Q2 (Lovejoy)">C/2014 Q2</a></li></ul></li> <li><a href="/wiki/Comet_Lulin" class="mw-redirect" title="Comet Lulin">Lulin</a></li> <li><a href="/wiki/Comet_Machholz" title="Comet Machholz">Machholz</a></li> <li><a href="/wiki/Robert_H._McNaught" title="Robert H. McNaught">McNaught</a> <ul><li><a href="/wiki/Comet_McNaught" title="Comet McNaught">C/2006 P1</a></li> <li><a href="/wiki/C/2009_R1_(McNaught)" title="C/2009 R1 (McNaught)">C/2009 R1</a></li></ul></li> <li><a href="/wiki/Comet_McNaught%E2%80%93Russell" class="mw-redirect" title="Comet McNaught–Russell">McNaught–Russell</a></li> <li><a href="/wiki/C/1957_P1_(Mrkos)" title="C/1957 P1 (Mrkos)">Mrkos</a></li> <li><a href="/wiki/Near-Earth_Asteroid_Tracking" title="Near-Earth Asteroid Tracking">NEAT</a> <ul><li><a href="/wiki/C/2001_Q4_(NEAT)" title="C/2001 Q4 (NEAT)">C/2001 Q4</a></li> <li><a href="/wiki/C/2002_V1_(NEAT)" title="C/2002 V1 (NEAT)">C/2002 V1</a></li></ul></li> <li><a href="/wiki/Comet_NEOWISE" title="Comet NEOWISE">NEOWISE</a></li> <li><a href="/wiki/C/2023_P1_(Nishimura)" title="C/2023 P1 (Nishimura)">Nishimura</a></li> <li><a href="/wiki/C/2013_V5_(Oukaimeden)" title="C/2013 V5 (Oukaimeden)">Oukaimeden</a></li> <li><a href="/wiki/%CA%BBOumuamua" title="ʻOumuamua">ʻOumuamua</a></li> <li><a href="/wiki/Pan-STARRS" title="Pan-STARRS">Pan-STARRS</a> <ul><li><a href="/wiki/C/2011_L4" class="mw-redirect" title="C/2011 L4">C/2011 L4</a></li> <li><a href="/wiki/C/2012_K1" class="mw-redirect" title="C/2012 K1">C/2012 K1</a></li> <li><a href="/wiki/311P/PanSTARRS" title="311P/PanSTARRS">311P/PanSTARRS</a></li> <li><a href="/wiki/C/2014_Q1_(PanSTARRS)" title="C/2014 Q1 (PanSTARRS)">C/2014 Q1</a></li> <li><a href="/wiki/C/2015_ER61_(PanSTARRS)" title="C/2015 ER61 (PanSTARRS)">C/2015 ER61</a></li> <li><a href="/wiki/C/2017_K2" class="mw-redirect" title="C/2017 K2">C/2017 K2</a></li></ul></li> <li><a href="/wiki/Comet_Pereyra" title="Comet Pereyra">Pereyra</a></li> <li><a href="/wiki/Comet_Pojma%C5%84ski" class="mw-redirect" title="Comet Pojmański">Pojmański</a></li> <li><a href="/wiki/Ryves_Comet" title="Ryves Comet">Ryves</a></li> <li><a href="/wiki/C/1962_C1_(Seki-Lines)" class="mw-redirect" title="C/1962 C1 (Seki-Lines)">Seki–Lines</a></li> <li><a href="/wiki/Siding_Spring_Observatory" title="Siding Spring Observatory">Siding Spring</a> <ul><li><a href="/wiki/C/2007_Q3_(Siding_Spring)" title="C/2007 Q3 (Siding Spring)">C/2007 Q3</a></li> <li><a href="/wiki/C/2013_A1_(Siding_Spring)" title="C/2013 A1 (Siding Spring)">C/2013 A1</a></li></ul></li> <li><a href="/wiki/Comet_Skjellerup%E2%80%93Maristany" title="Comet Skjellerup–Maristany">Skjellerup–Maristany</a></li> <li><a href="/wiki/Comet_Skorichenko%E2%80%93George" class="mw-redirect" title="Comet Skorichenko–George">Skorichenko–George</a></li> <li><a href="/w/index.php?title=C/1998_J1_(SOHO)&action=edit&redlink=1" class="new" title="C/1998 J1 (SOHO) (page does not exist)">SOHO</a></li> <li><a href="/wiki/C/1947_X1_(Southern_Comet)" class="mw-redirect" title="C/1947 X1 (Southern Comet)">Southern</a></li> <li><a href="/wiki/C/1992_J1_(Spacewatch)" title="C/1992 J1 (Spacewatch)">Spacewatch–Rabinowitz</a></li> <li><a href="/wiki/Comet_Stonehouse" class="mw-redirect" title="Comet Stonehouse">Stonehouse</a></li> <li><a href="/wiki/Solar_and_Heliospheric_Observatory#Instruments" title="Solar and Heliospheric Observatory">SWAN</a> <ul><li><a href="/wiki/C/2006_M4_(SWAN)" title="C/2006 M4 (SWAN)">C/2006 M4</a></li> <li><a href="/wiki/C/2012_E2_(SWAN)" title="C/2012 E2 (SWAN)">C/2012 E2</a></li> <li><a href="/wiki/C/2020_F8_(SWAN)" title="C/2020 F8 (SWAN)">C/2020 F8</a></li></ul></li> <li><a href="/w/index.php?title=C/1969_T1_(Tago-Sato-Kosaka)&action=edit&redlink=1" class="new" title="C/1969 T1 (Tago-Sato-Kosaka) (page does not exist)">Tago-Sato-Kosaka</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://de.wikipedia.org/wiki/C/1969_T1_(Tago-Sato-Kosaka)" class="extiw" title="de:C/1969 T1 (Tago-Sato-Kosaka)">de</a>]</span></li> <li><a href="/wiki/C/2023_A3_(Tsuchinshan%E2%80%93ATLAS)" title="C/2023 A3 (Tsuchinshan–ATLAS)">Tsuchinshan–ATLAS</a></li> <li><a href="/wiki/Comet_West" title="Comet West">West</a></li> <li><a href="/wiki/Comet_White%E2%80%93Ortiz%E2%80%93Bolelli" title="Comet White–Ortiz–Bolelli">White–Ortiz–Bolelli</a></li> <li><a href="/w/index.php?title=C/1961_O1_(Wilson-Hubbard)&action=edit&redlink=1" class="new" title="C/1961 O1 (Wilson-Hubbard) (page does not exist)">Wilson–Hubbard</a><span class="noprint" style="font-size:85%; font-style: normal;"> [<a href="https://de.wikipedia.org/wiki/C/1961_O1_(Wilson-Hubbard)" class="extiw" title="de:C/1961 O1 (Wilson-Hubbard)">de</a>]</span></li> <li><a href="/wiki/Comet_Yi%E2%80%93SWAN" class="mw-redirect" title="Comet Yi–SWAN">Yi–SWAN</a></li> <li><a href="/wiki/Comet_Zhu%E2%80%93Balam" class="mw-redirect" title="Comet Zhu–Balam">Zhu–Balam</a></li> <li><a href="/wiki/C/2022_E3_(ZTF)" title="C/2022 E3 (ZTF)">ZTF</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div> <ul><li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:Comets" title="Category:Comets">Category</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="2022_in_space" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="3"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:2022_in_space" title="Template:2022 in space"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:2022_in_space" title="Template talk:2022 in space"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:2022_in_space" title="Special:EditPage/Template:2022 in space"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="2022_in_space" style="font-size:114%;margin:0 4em">2022 in space</div></th></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><div style="float: left;"> « <a href="/wiki/Template:2021_in_space" title="Template:2021 in space">2021</a></div> <div style="float: right;"><a href="/wiki/Template:2023_in_space" title="Template:2023 in space">2023</a> »</div></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/2022_in_spaceflight" title="2022 in spaceflight">Space probe launches</a> <span typeof="mw:File"><a href="/wiki/Category:Space_probes_launched_in_2022" title="Category:Space probes launched in 2022"><img alt="Space probes launched in 2022" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/15px-Symbol_category_class.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/30px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/CAPSTONE" title="CAPSTONE">CAPSTONE</a> (June 2022)</li> <li><a href="/wiki/Danuri" title="Danuri">Danuri</a> (August 2022)</li> <li><a href="/wiki/Artemis_I" title="Artemis I">Artemis I</a> (November 2022) <ul><li><a href="/wiki/ArgoMoon" title="ArgoMoon">ArgoMoon</a></li> <li><a href="/wiki/EQUULEUS" title="EQUULEUS">EQUULEUS</a></li> <li><a href="/wiki/Lunar_Polar_Hydrogen_Mapper" title="Lunar Polar Hydrogen Mapper">LunaH-Map</a></li> <li><a href="/wiki/Lunar_IceCube" title="Lunar IceCube">Lunar IceCube</a></li> <li><a href="/wiki/Near-Earth_Asteroid_Scout" title="Near-Earth Asteroid Scout">NEA Scout</a></li> <li><a href="/wiki/OMOTENASHI" title="OMOTENASHI">OMOTENASHI</a></li> <li><a href="/wiki/LunIR" title="LunIR">LunIR</a></li></ul></li> <li><a href="/wiki/Hakuto-R" class="mw-redirect" title="Hakuto-R">Hakuto-R Mission 1</a> / <a href="/wiki/Emirates_Lunar_Mission" title="Emirates Lunar Mission">Emirates Lunar Mission</a> / <a href="/wiki/Lunar_Flashlight" title="Lunar Flashlight">Lunar Flashlight</a> (December 2022)</li></ul> </div></td><td class="noviewer navbox-image" rowspan="6" style="width:1px;padding:0 0 0 2px;padding-left: 0.5em;"><div><span typeof="mw:File"><a href="/wiki/File:Webb%27s_First_Deep_Field.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Webb%27s_First_Deep_Field.jpg/125px-Webb%27s_First_Deep_Field.jpg" decoding="async" width="125" height="128" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Webb%27s_First_Deep_Field.jpg/188px-Webb%27s_First_Deep_Field.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Webb%27s_First_Deep_Field.jpg/250px-Webb%27s_First_Deep_Field.jpg 2x" data-file-width="4537" data-file-height="4630" /></a></span><br /><span typeof="mw:File"><a href="/wiki/File:Stacked_image_of_Dimorphos_true_orientation.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Stacked_image_of_Dimorphos_true_orientation.jpg/125px-Stacked_image_of_Dimorphos_true_orientation.jpg" decoding="async" width="125" height="125" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Stacked_image_of_Dimorphos_true_orientation.jpg/188px-Stacked_image_of_Dimorphos_true_orientation.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Stacked_image_of_Dimorphos_true_orientation.jpg/250px-Stacked_image_of_Dimorphos_true_orientation.jpg 2x" data-file-width="5792" data-file-height="5792" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Impact_event" title="Impact event">Impact events</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/2022_EB5" title="2022 EB5">2022 EB<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">5</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_WJ1" title="2022 WJ1">2022 WJ<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Selected <a href="/wiki/Near-Earth_object" title="Near-Earth object">NEOs</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/List_of_asteroid_close_approaches_to_Earth_in_2022" title="List of asteroid close approaches to Earth in 2022">Asteroid close approaches</a></li> <li><span class="nowrap"><a href="/wiki/2020_AP1" title="2020 AP1">2020 AP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_AE1" title="2022 AE1">2022 AE<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_AP7" title="2022 AP7">2022 AP<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">7</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_BX1" title="2022 BX1">2022 BX<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/(7482)_1994_PC1" title="(7482) 1994 PC1">(7482) 1994 PC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2015_DR215" title="2015 DR215">2015 DR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">215</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_FD1" title="2022 FD1">2022 FD<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><a href="/wiki/(7335)_1989_JA" title="(7335) 1989 JA">(7335) 1989 JA</a></li> <li><span class="nowrap"><a href="/wiki/2022_NX1" title="2022 NX1">2022 NX<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">1</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_QX4" title="2022 QX4">2022 QX<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><a href="/wiki/161989_Cacus" title="161989 Cacus">161989 Cacus</a></li> <li><a href="/wiki/65803_Didymos" title="65803 Didymos">65803 Didymos</a></li> <li><span class="nowrap"><a href="/wiki/2022_UR4" title="2022 UR4">2022 UR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_RM4" title="2022 RM4">2022 RM<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">4</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2005_LW3" title="2005 LW3">2005 LW<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">3</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2022_WM7" title="2022 WM7">2022 WM<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">7</span></span></a></span></li> <li><span class="nowrap"><a href="/wiki/2010_XC15" title="2010 XC15">2010 XC<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">15</span></span></a></span></li> <li><a href="/wiki/2022_YG" title="2022 YG">2022 YG</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Discoveries</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><td colspan="2" class="navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/2021_LL37" title="2021 LL37">2021 LL<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">37</span></span></a></span> (TNO)</li> <li><span class="nowrap"><a href="/wiki/2021_RR205" title="2021 RR205">2021 RR<span style="position: relative; top: 0.3em;"><span style="font-size:80%;">205</span></span></a></span> (TNO)</li> <li><a href="/wiki/Alcyoneus_(galaxy)" title="Alcyoneus (galaxy)">Alcyoneus (galaxy)</a></li> <li><a href="/wiki/CEERS-93316" title="CEERS-93316">CEERS-93316</a></li> <li><a href="/wiki/Gaia_BH1" title="Gaia BH1">Gaia BH1</a></li> <li><a href="/wiki/GLASS-z12" title="GLASS-z12">GLASS-z12</a></li> <li><a href="/wiki/GNz7q" title="GNz7q">GNz7q</a></li> <li><a href="/wiki/GRB_221009A" title="GRB 221009A">GRB 221009A</a></li> <li><a href="/wiki/HD1_(galaxy)" class="mw-redirect" title="HD1 (galaxy)">HD1 (galaxy)</a></li> <li><a href="/wiki/J1144%E2%80%934308" title="J1144–4308">J1144–4308</a></li> <li><a href="/wiki/JADES-GS-z13-0" title="JADES-GS-z13-0">JADES-GS-z13-0</a></li> <li><a href="/wiki/OGLE-2011-BLG-0462" title="OGLE-2011-BLG-0462">OGLE-2011-BLG-0462</a></li> <li><a href="/wiki/PKS_2131-021" title="PKS 2131-021">PKS 2131-021</a></li> <li><a href="/wiki/PSR_J0901%E2%80%934046" title="PSR J0901–4046">PSR J0901–4046</a></li> <li><a href="/wiki/PSR_J0952%E2%80%930607" title="PSR J0952–0607">PSR J0952–0607</a></li> <li><a href="/wiki/Sagittarius_A*" title="Sagittarius A*">Sagittarius A*</a> imaged</li> <li><a href="/wiki/S4716" title="S4716">S4716</a></li> <li><a href="/wiki/SN_2022jli" title="SN 2022jli">SN 2022jli</a></li> <li><a href="/wiki/VFTS_243" title="VFTS 243">VFTS 243</a></li> <li><a href="/wiki/Webb%27s_First_Deep_Field" title="Webb's First Deep Field">Webb's First Deep Field</a> (<a href="/wiki/SMACS_J0723.3%E2%80%937327" class="mw-redirect" title="SMACS J0723.3–7327">SMACS J0723.3–7327</a>)</li> <li><a href="/wiki/WD_1054%E2%80%93226" title="WD 1054–226">WD 1054–226</a></li> <li><a href="/wiki/WHL0137-LS" title="WHL0137-LS">WHL0137-LS</a></li> <li><a href="/wiki/ZTF_J1813%2B4251" title="ZTF J1813+4251">ZTF J1813+4251</a></li> <li>12 <a href="/wiki/Moons_of_Jupiter" title="Moons of Jupiter">moons of Jupiter</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/List_of_exoplanets_discovered_in_2022" title="List of exoplanets discovered in 2022">Exoplanets</a> <span typeof="mw:File"><a href="/wiki/Category:Exoplanets_discovered_in_2022" title="Category:Exoplanets discovered in 2022"><img alt="Exoplanets discovered in 2022" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/15px-Symbol_category_class.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/30px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/AB_Aurigae_b" title="AB Aurigae b">AB Aurigae b</a></li> <li><a href="/wiki/Carbon_dioxide" title="Carbon dioxide"><span class="nowrap">CO<sub>2</sub></span></a> on <a href="/wiki/WASP-39b" title="WASP-39b">WASP-39b</a></li> <li><a href="/wiki/Gliese_514" title="Gliese 514">Gliese 514 b</a></li> <li><a href="/wiki/Gliese_3929" class="mw-redirect" title="Gliese 3929">Gliese 3929</a> <ul><li><a href="/wiki/Gliese_3929_b" class="mw-redirect" title="Gliese 3929 b">b</a></li> <li>c</li></ul></li> <li><a href="/wiki/EQ_Pegasi" title="EQ Pegasi">Gliese 896 Ab</a></li> <li><a href="/wiki/HD_83443" title="HD 83443">HD 83443 c</a></li> <li><a href="/wiki/HD_260655" title="HD 260655">HD 260655</a> <ul><li>b</li> <li>c</li></ul></li> <li><a href="/wiki/List_of_exoplanets_discovered_in_2022" title="List of exoplanets discovered in 2022">K2-2016-BLG-0005Lb</a></li> <li><a href="/wiki/2M_1938%2B4603" class="mw-redirect" title="2M 1938+4603">Kepler-451</a> <ul><li>c</li> <li>d</li></ul></li> <li><a href="/wiki/Kepler-1708b" title="Kepler-1708b">Kepler-1708b</a> and possible <a href="/wiki/Exomoon" title="Exomoon">exomoon</a> <a href="/wiki/Kepler-1708b_I" class="mw-redirect" title="Kepler-1708b I">Kepler-1708b I</a></li> <li><a href="/wiki/LP_890-9" title="LP 890-9">LP 890-9</a> <ul><li><a href="/wiki/LP_890-9_b" class="mw-redirect" title="LP 890-9 b">b</a></li> <li><a href="/wiki/LP_890-9_c" class="mw-redirect" title="LP 890-9 c">c</a></li></ul></li> <li><a href="/wiki/Mu2_Scorpii" title="Mu2 Scorpii">Mu2 Scorpii</a> <ul><li>b</li> <li>c</li></ul></li> <li><a href="/wiki/OGLE-2018-BLG-1119Lb" class="mw-redirect" title="OGLE-2018-BLG-1119Lb">OGLE-2018-BLG-1119Lb</a></li> <li><a href="/wiki/Pi_Mensae#Planetary_system" title="Pi Mensae">Pi Mensae d</a></li> <li><a href="/wiki/Proxima_Centauri_d" title="Proxima Centauri d">Proxima Centauri d</a></li> <li><a href="/wiki/TOI-1227_b" title="TOI-1227 b">TOI-1227 b</a></li> <li><a href="/wiki/TOI-1452_b" title="TOI-1452 b">TOI-1452 b</a></li> <li><a href="/wiki/TOI-2180_b" title="TOI-2180 b">TOI-2180 b</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Comets <span typeof="mw:File"><a href="/wiki/Category:Comets_in_2022" title="Category:Comets in 2022"><img alt="Comets in 2022" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/15px-Symbol_category_class.svg.png" decoding="async" width="15" height="15" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/30px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></a></span></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/C/2021_O3_(PanSTARRS)" title="C/2021 O3 (PanSTARRS)">C/2021 O3 (PanSTARRS)</a></li> <li><a href="/wiki/73P/Schwassmann%E2%80%93Wachmann" title="73P/Schwassmann–Wachmann">73P/Schwassmann–Wachmann</a></li> <li><a class="mw-selflink selflink">C/2017 K2 (PanSTARRS)</a></li> <li><a href="/wiki/C/2022_E3_(ZTF)" title="C/2022 E3 (ZTF)">C/2022 E3 (ZTF)</a></li> <li>PSP-001</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Space exploration</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Double_Asteroid_Redirection_Test" title="Double Asteroid Redirection Test">DART</a> (<a href="/wiki/Dimorphos" title="Dimorphos">Dimorphos</a> impact; September 2022)</li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="3"><div> <ul><li><span class="nowrap"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/32px-Earth-moon.jpg" decoding="async" width="32" height="26" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/48px-Earth-moon.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Earth-moon.jpg/64px-Earth-moon.jpg 2x" data-file-width="3000" data-file-height="2400" /></span></span> </span><a href="/wiki/Portal:Outer_space" title="Portal:Outer space">Outer space portal</a></li> <li><span class="noviewer" typeof="mw:File"><span title="Category"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /></span></span> <a href="/wiki/Category:2021_in_outer_space" title="Category:2021 in outer space">Category:2021 in outer space</a> — <b><a href="/wiki/Category:2022_in_outer_space" title="Category:2022 in outer space">Category:2022 in outer space</a></b> — <a href="/wiki/Category:2023_in_outer_space" title="Category:2023 in outer space">Category:2023 in outer space</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=C/2017_K2_(PanSTARRS)&oldid=1257291038">https://en.wikipedia.org/w/index.php?title=C/2017_K2_(PanSTARRS)&oldid=1257291038</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Non-periodic_comets" title="Category:Non-periodic comets">Non-periodic comets</a></li><li><a href="/wiki/Category:Astronomical_objects_discovered_in_2017" title="Category:Astronomical objects discovered in 2017">Astronomical objects discovered in 2017</a></li><li><a href="/wiki/Category:Comets_in_2022" title="Category:Comets in 2022">Comets in 2022</a></li><li><a href="/wiki/Category:Oort_cloud" title="Category:Oort cloud">Oort cloud</a></li><li><a href="/wiki/Category:Discoveries_by_Pan-STARRS" title="Category:Discoveries by Pan-STARRS">Discoveries by Pan-STARRS</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Articles_containing_potentially_dated_statements_from_June_2022" title="Category:Articles containing potentially dated statements from June 2022">Articles containing potentially dated statements from June 2022</a></li><li><a href="/wiki/Category:All_articles_containing_potentially_dated_statements" title="Category:All articles containing potentially dated statements">All articles containing potentially dated statements</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 14 November 2024, at 04:49<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. By using this site, you agree to the <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use" class="extiw" title="foundation:Special:MyLanguage/Policy:Terms of Use">Terms of Use</a> and <a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy" class="extiw" title="foundation:Special:MyLanguage/Policy:Privacy policy">Privacy Policy</a>. Wikipedia® is a registered trademark of the <a rel="nofollow" class="external text" href="https://wikimediafoundation.org/">Wikimedia Foundation, Inc.</a>, a non-profit organization.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy">Privacy policy</a></li> <li id="footer-places-about"><a href="/wiki/Wikipedia:About">About Wikipedia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikipedia:General_disclaimer">Disclaimers</a></li> <li id="footer-places-contact"><a href="//en.wikipedia.org/wiki/Wikipedia:Contact_us">Contact Wikipedia</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Code of Conduct</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Developers</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/en.wikipedia.org">Statistics</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Cookie statement</a></li> <li id="footer-places-mobileview"><a href="//en.m.wikipedia.org/w/index.php?title=C/2017_K2_(PanSTARRS)&mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Mobile view</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-f69cdc8f6-vkl22","wgBackendResponseTime":135,"wgPageParseReport":{"limitreport":{"cputime":"0.689","walltime":"0.929","ppvisitednodes":{"value":4644,"limit":1000000},"postexpandincludesize":{"value":235228,"limit":2097152},"templateargumentsize":{"value":9679,"limit":2097152},"expansiondepth":{"value":23,"limit":100},"expensivefunctioncount":{"value":5,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":95319,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 697.959 1 -total"," 29.05% 202.751 2 Template:Reflist"," 21.51% 150.124 1 Template:Comets"," 21.04% 146.850 1 Template:Navbox_with_collapsible_groups"," 17.31% 120.844 10 Template:Cite_web"," 13.80% 96.307 1 Template:Short_description"," 12.77% 89.123 1 Template:Infobox_comet"," 12.02% 83.884 1 Template:Infobox"," 11.27% 78.634 1 Template:2022_in_space"," 9.83% 68.629 5 Template:Navbox"]},"scribunto":{"limitreport-timeusage":{"value":"0.333","limit":"10.000"},"limitreport-memusage":{"value":8063005,"limit":52428800},"limitreport-logs":"table#1 {\n [\"size\"] = \"small\",\n}\n"},"cachereport":{"origin":"mw-web.eqiad.main-5dc468848-w7zqj","timestamp":"20241122151323","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"C\/2017 K2 (PanSTARRS)","url":"https:\/\/en.wikipedia.org\/wiki\/C\/2017_K2_(PanSTARRS)","sameAs":"http:\/\/www.wikidata.org\/entity\/Q41444995","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q41444995","author":{"@type":"Organization","name":"Contributors to Wikimedia projects"},"publisher":{"@type":"Organization","name":"Wikimedia Foundation, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2017-09-30T21:33:59Z","dateModified":"2024-11-14T04:49:53Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/0\/0f\/C2017_K2_PanSTARRS-2.gif","headline":"comet discovered in 2017"}</script> </body> </html>