CINXE.COM

Space Weather Follow On-Lagrange 1 - Wikipedia

<!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>Space Weather Follow On-Lagrange 1 - 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":"87fd1a61-4ca6-4dbe-924b-92388e1973e4","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Space_Weather_Follow_On-Lagrange_1","wgTitle":"Space Weather Follow On-Lagrange 1","wgCurRevisionId":1254657401,"wgRevisionId":1254657401,"wgArticleId":62073057,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["Source attribution","Articles with short description","Short description is different from Wikidata","Use American English from February 2021","All Wikipedia articles written in American English","Use dmy dates from February 2021","Solar space observatories","2025 in spaceflight"],"wgPageViewLanguage":"en","wgPageContentLanguage":"en","wgPageContentModel":"wikitext","wgRelevantPageName":"Space_Weather_Follow_On-Lagrange_1", "wgRelevantArticleId":62073057,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgRedirectedFrom":"Space_Weather_Follow-On_L1","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/Space_Weather_Follow_On-Lagrange_1","wgRelatedArticlesCompat":[],"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q85802449", "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","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","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&amp;modules=ext.cite.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cjquery.makeCollapsible.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&amp;only=styles&amp;skin=vector-2022"> <script async="" src="/w/load.php?lang=en&amp;modules=startup&amp;only=scripts&amp;raw=1&amp;skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=en&amp;modules=site.styles&amp;only=styles&amp;skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.5"> <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/thumb/2/25/SWFO-L1.jpg/1200px-SWFO-L1.jpg"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="1066"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/2/25/SWFO-L1.jpg/800px-SWFO-L1.jpg"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="711"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/2/25/SWFO-L1.jpg/640px-SWFO-L1.jpg"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="568"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Space Weather Follow On-Lagrange 1 - 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/Space_Weather_Follow_On-Lagrange_1"> <link rel="alternate" type="application/x-wiki" title="Edit this page" href="/w/index.php?title=Space_Weather_Follow_On-Lagrange_1&amp;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/Space_Weather_Follow_On-Lagrange_1"> <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&amp;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-Space_Weather_Follow_On-Lagrange_1 rootpage-Space_Weather_Follow_On-Lagrange_1 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&#039;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&amp;utm_medium=sidebar&amp;utm_campaign=C13_en.wikipedia.org&amp;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&amp;returnto=Space+Weather+Follow+On-Lagrange+1" 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&amp;returnto=Space+Weather+Follow+On-Lagrange+1" title="You&#039;re encouraged to log in; however, it&#039;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&amp;utm_medium=sidebar&amp;utm_campaign=C13_en.wikipedia.org&amp;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&amp;returnto=Space+Weather+Follow+On-Lagrange+1" 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&amp;returnto=Space+Weather+Follow+On-Lagrange+1" title="You&#039;re encouraged to log in; however, it&#039;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"><!-- CentralNotice --></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-Command_and_control_system" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Command_and_control_system"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Command and control system</span> </div> </a> <ul id="toc-Command_and_control_system-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Instruments" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Instruments"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Instruments</span> </div> </a> <ul id="toc-Instruments-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Launch" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Launch"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Launch</span> </div> </a> <ul id="toc-Launch-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">4</span> <span>References</span> </div> </a> <ul id="toc-References-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">5</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">Space Weather Follow On-Lagrange 1</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 1 language" > <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-1" 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">1 language</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Space_Weather_Follow_On" title="Space Weather Follow On – French" lang="fr" hreflang="fr" data-title="Space Weather Follow On" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</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/Q85802449#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/Space_Weather_Follow_On-Lagrange_1" 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:Space_Weather_Follow_On-Lagrange_1" 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/Space_Weather_Follow_On-Lagrange_1"><span>Read</span></a></li><li id="ca-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Space_Weather_Follow_On-Lagrange_1&amp;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=Space_Weather_Follow_On-Lagrange_1&amp;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/Space_Weather_Follow_On-Lagrange_1"><span>Read</span></a></li><li id="ca-more-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Space_Weather_Follow_On-Lagrange_1&amp;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=Space_Weather_Follow_On-Lagrange_1&amp;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/Space_Weather_Follow_On-Lagrange_1" 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/Space_Weather_Follow_On-Lagrange_1" 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=Space_Weather_Follow_On-Lagrange_1&amp;oldid=1254657401" 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=Space_Weather_Follow_On-Lagrange_1&amp;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&amp;page=Space_Weather_Follow_On-Lagrange_1&amp;id=1254657401&amp;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&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FSpace_Weather_Follow_On-Lagrange_1"><span>Get shortened URL</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Special:QrCode&amp;url=https%3A%2F%2Fen.wikipedia.org%2Fwiki%2FSpace_Weather_Follow_On-Lagrange_1"><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&amp;page=Space_Weather_Follow_On-Lagrange_1&amp;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=Space_Weather_Follow_On-Lagrange_1&amp;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 id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q85802449" 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=Space_Weather_Follow-On_L1&amp;redirect=no" class="mw-redirect" title="Space Weather Follow-On L1">Space Weather Follow-On L1</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">Planned spacecraft mission</div> <p class="mw-empty-elt"> </p> <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><style data-mw-deduplicate="TemplateStyles:r1089065853">.mw-parser-output .ib-spaceflight{width:25em}.mw-parser-output .ib-spaceflight .infobox-header{background:#ddf}.mw-parser-output .ib-edit-wd{float:right}</style><table class="infobox ib-spaceflight"><caption class="infobox-title">Space Weather Follow On-Lagrange 1</caption><tbody><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:SWFO-L1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/SWFO-L1.jpg/300px-SWFO-L1.jpg" decoding="async" width="300" height="266" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/25/SWFO-L1.jpg/450px-SWFO-L1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/25/SWFO-L1.jpg/600px-SWFO-L1.jpg 2x" data-file-width="1700" data-file-height="1510" /></a></span><div class="infobox-caption">Space Weather Follow On-Lagrange 1 satellite</div></td></tr><tr><th scope="row" class="infobox-label">Names</th><td class="infobox-data">SWFO-L1</td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th scope="row" class="infobox-label">Mission type</th><td class="infobox-data"><a href="/wiki/Space_weather" title="Space weather">Space weather</a></td></tr><tr><th scope="row" class="infobox-label">Operator</th><td class="infobox-data"><a href="/wiki/National_Oceanic_and_Atmospheric_Administration" title="National Oceanic and Atmospheric Administration">NOAA</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th colspan="2" class="infobox-header">Start of mission</th></tr><tr><th scope="row" class="infobox-label">Launch date</th><td class="infobox-data">29 April 2025 (planned)<sup id="cite_ref-nasa-lspedu_1-0" class="reference"><a href="#cite_note-nasa-lspedu-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup></td></tr><tr><th scope="row" class="infobox-label">Rocket</th><td class="infobox-data"><a href="/wiki/Falcon_9_Block_5" title="Falcon 9 Block 5">Falcon 9 Block 5</a></td></tr><tr><th scope="row" class="infobox-label">Launch site</th><td class="infobox-data"><a href="/wiki/Cape_Canaveral_Space_Force_Station" title="Cape Canaveral Space Force Station">Cape Canaveral</a>, <a href="/wiki/Cape_Canaveral_Space_Launch_Complex_40" title="Cape Canaveral Space Launch Complex 40">SLC-40</a></td></tr><tr><th scope="row" class="infobox-label">Contractor</th><td class="infobox-data"><a href="/wiki/SpaceX" title="SpaceX">SpaceX</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th colspan="2" class="infobox-header">Orbital parameters</th></tr><tr><th scope="row" class="infobox-label">Reference&#160;system</th><td class="infobox-data"><a href="/wiki/Geocentric_orbit" title="Geocentric orbit">Geocentric orbit</a></td></tr><tr><th scope="row" class="infobox-label">Regime</th><td class="infobox-data"><a href="/wiki/Lagrange_point" title="Lagrange point">L1</a></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th colspan="2" class="infobox-header">Instruments</th></tr><tr><td colspan="2" class="infobox-full-data">Solar Wind Instrument Suite (SWIS)<br /><a href="/wiki/Magnetometer" title="Magnetometer">Magnetometer</a><br />Solar Wind Plasma Sensor (SWiPS)<br />Compact Coronagraph (CCOR)<br /> Supra-Thermal Ion Sensor (STIS)</td></tr><tr><td colspan="2" class="infobox-below"><div class="" style="width:100%; text-align:center; border-top:1px #aaa solid">Space Weather Follow On program</div><div style="width:100%"><div style="float: left; text-align:left;padding-right:0.5em;" class="noprint">&#8592;&#160;<a href="/wiki/Deep_Space_Climate_Observatory" title="Deep Space Climate Observatory">DSCOVR</a></div></div><div style="clear:both;" class=""></div></td></tr></tbody></table> <p><b>Space Weather Follow On-Lagrange 1</b> (<b>SWFO-L1</b>) is a future spacecraft mission planned to monitor signs of <a href="/wiki/Solar_storm" title="Solar storm">solar storms</a>, which may pose harm to Earth's <a href="/wiki/Telecommunication" class="mw-redirect" title="Telecommunication">telecommunication</a> network. The spacecraft will be operated by the <a href="/wiki/National_Oceanic_and_Atmospheric_Administration" title="National Oceanic and Atmospheric Administration">National Oceanic and Atmospheric Administration</a> (NOAA), with launch scheduled for 29 April 2025.<sup id="cite_ref-nasa-lspedu_1-1" class="reference"><a href="#cite_note-nasa-lspedu-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-Ullmanofcm2019_2-0" class="reference"><a href="#cite_note-Ullmanofcm2019-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> It is planned to be placed at the Sun–Earth <a href="/wiki/Lagrange_point#L1" title="Lagrange point">L<sub>1</sub></a> <a href="/wiki/Lagrange_point" title="Lagrange point">Lagrange point</a>, a location between the <a href="/wiki/Earth" title="Earth">Earth</a> and the <a href="/wiki/Sun" title="Sun">Sun</a>. This will allow SWFO-L1 to continuously watch the <a href="/wiki/Solar_wind" title="Solar wind">solar wind</a> and <a href="/wiki/Solar_energetic_particles" title="Solar energetic particles">energetic particles</a> heading for Earth. SWFO-L1 is an ESPA Class Spacecraft, sized for launch on an <a href="/wiki/EELV_Secondary_Payload_Adapter" title="EELV Secondary Payload Adapter">Evolved Expendable Launch Vehicle Secondary Payload Adapter</a> (ESPA) Grande ring in addition to the rocket's primary payload.<sup id="cite_ref-Ullmanofcm2019_2-1" class="reference"><a href="#cite_note-Ullmanofcm2019-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> The spacecraft's Solar Wind Instrument Suite (SWIS) which includes three instruments will monitor solar wind, and the Compact Coronagraph (CCOR) will monitor the Sun's surroundings to image <a href="/wiki/Coronal_mass_ejection" title="Coronal mass ejection">coronal mass ejection</a> (CME).<sup id="cite_ref-Ullmanofcm2019_2-2" class="reference"><a href="#cite_note-Ullmanofcm2019-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> A CME is a large outburst of plasma sent from the Sun towards <a href="/wiki/Interplanetary_medium" title="Interplanetary medium">interplanetary space</a>. </p><p>Together with <a href="/wiki/Space_weather" title="Space weather">space weather</a> observation capabilities on the Earth-orbiting <a href="/wiki/GOES-U" class="mw-redirect" title="GOES-U">GOES-U</a> satellite, SWFO-L1 constitutes the space segment of NOAA's Space Weather Follow On (SWFO) program. The aim of the SWFO program is to ensure the robust continuity of space-based measurement of the critical space weather environment.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup> All of the spacecraft located in <a href="/wiki/Lagrange_point#L1" title="Lagrange point">L<sub>1</sub></a> which are currently monitoring CMEs and the solar wind have operated beyond their design lifetime. SWFO-L1<span class="nowrap" style="padding-left:0.1em;">&#39;s</span> SWIS instruments will replace ACE's and DSCOVR's monitoring of solar wind, energetic particles and the <a href="/wiki/Interplanetary_magnetic_field" title="Interplanetary magnetic field">interplanetary magnetic field</a> while CCOR will replace SOHO's <a href="/wiki/Large_Angle_and_Spectrometric_Coronagraph" title="Large Angle and Spectrometric Coronagraph">LASCO</a> (Large Angle and Spectrometric Coronagraph) imaging of CMEs.<sup id="cite_ref-Ullmanofcm2019_2-3" class="reference"><a href="#cite_note-Ullmanofcm2019-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Command_and_control_system">Command and control system</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Space_Weather_Follow_On-Lagrange_1&amp;action=edit&amp;section=1" title="Edit section: Command and control system"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>NOAA has awarded, on 5 February 2021, the Space Weather Follow On-Lagrange 1 (SWFO-L1) <a href="/wiki/Command_and_control" title="Command and control">Command and control</a> contract to <a href="/wiki/L3Harris_Technologies" class="mw-redirect" title="L3Harris Technologies">L3Harris</a> in <a href="/wiki/Melbourne,_Florida" title="Melbourne, Florida">Melbourne, Florida</a>. The contract has a total value of US$43.8 million, with a five-year performance period. The SWFO-L1 mission is planned to launch in 31 March 2025 as a rideshare with the NASA <a href="/wiki/Interstellar_Mapping_and_Acceleration_Probe" title="Interstellar Mapping and Acceleration Probe">Interstellar Mapping and Acceleration Probe</a> (IMAP). The contractor is responsible for up to two years of operations support of a Command and control of the SWFO-L1 observatory. This will be accomplished by adding the capability to existing <a href="/wiki/Geostationary_Operational_Environmental_Satellite" title="Geostationary Operational Environmental Satellite">Geostationary Operational Environmental Satellite</a>-R Series Core Ground System.<sup id="cite_ref-C&amp;CS_5-0" class="reference"><a href="#cite_note-C&amp;CS-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p><p>NOAA manages the contract. In addition to work at L3Harris' facility in Melbourne, the contractor will install equipment at the NOAA Satellite Operations Facility (NSOF) in Suitland, Maryland; NOAA's Wallops Command and Data Acquisition Station (WCDAS) in <a href="/wiki/Wallops_Island" title="Wallops Island">Wallops</a>, <a href="/wiki/Virginia" title="Virginia">Virginia</a>; and at NOAA's Consolidated Backup Facility (CBU) in <a href="/wiki/Fairmont,_West_Virginia" title="Fairmont, West Virginia">Fairmont, West Virginia</a>.<sup id="cite_ref-C&amp;CS_5-1" class="reference"><a href="#cite_note-C&amp;CS-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p><p>The work will allow SWFO-L1 to provide continuity of solar wind and coronal mass ejection imagery data from the Lagrange-1 point to <a href="/wiki/Space_Weather_Prediction_Center" title="Space Weather Prediction Center">NOAA's National Weather Service Space Weather Prediction Center</a> in <a href="/wiki/Boulder,_Colorado" title="Boulder, Colorado">Boulder, Colorado</a>. These data are critical to support monitoring and timely forecasts of space weather events that have the potential to adversely impact elements vital to national security and economic prosperity, including telecommunication and navigation, satellite systems and the power grid. NOAA is responsible for overall implementation and funding of the SWFO program. The program is managed as an integrated NOAA-NASA program, where NASA serves as NOAA's acquisition agent for the space segment and for launch services. NOAA is responsible for the ground segment including the acquisition, development, test and integration of the SWFO Command and control system.<sup id="cite_ref-C&amp;CS_5-2" class="reference"><a href="#cite_note-C&amp;CS-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Instruments">Instruments</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Space_Weather_Follow_On-Lagrange_1&amp;action=edit&amp;section=2" title="Edit section: Instruments"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In April 2020, <a href="/wiki/Southwest_Research_Institute" title="Southwest Research Institute">Southwest Research Institute</a> (SwRI) was awarded a contract to supply SWFO-L1's <a href="/wiki/Magnetometer" title="Magnetometer">magnetometer</a> instrument.<sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">&#91;</span>6<span class="cite-bracket">&#93;</span></a></sup> </p><p>On 1 July 2020, on behalf of NOAA, <a href="/wiki/NASA" title="NASA">NASA</a> awarded the Space Weather Follow On-Lagrange 1 (SWFO-L1) Solar Wind Plasma Sensor (SWiPS) contract to <a href="/wiki/Southwest_Research_Institute" title="Southwest Research Institute">Southwest Research Institute</a> (SwRI) in <a href="/wiki/San_Antonio" title="San Antonio">San Antonio</a>, <a href="/wiki/Texas" title="Texas">Texas</a>. SwRI was awarded a contract with a total value of US$15.6 million. The period of performance is 76 months. SWFO-L1 will provide NOAA with the continuity of solar wind data and coronal mass ejection imagery, the National Weather Service's highest priority for space weather observations. University of California, Berkeley was awarded US$7.5 million for the development of the Supra-Thermal Ion Sensor (STIS).<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">&#91;</span>7<span class="cite-bracket">&#93;</span></a></sup> The SWFO-L1 satellite, which is planned to launch as a rideshare with the NASA Interstellar Mapping and Acceleration Probe (IMAP), will collect upstream solar wind data and coronal imagery to support NOAA's mission to monitor and forecast space weather events. NOAA is responsible for the Space Weather Follow On program. NASA is the program's flight system procurement agent, and NASA's <a href="/wiki/Goddard_Space_Flight_Center" title="Goddard Space Flight Center">Goddard Space Flight Center</a> in <a href="/wiki/Greenbelt,_Maryland" title="Greenbelt, Maryland">Greenbelt, Maryland</a>, is the lead for this acquisition.<sup id="cite_ref-SWiPS_8-0" class="reference"><a href="#cite_note-SWiPS-8"><span class="cite-bracket">&#91;</span>8<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Launch">Launch</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Space_Weather_Follow_On-Lagrange_1&amp;action=edit&amp;section=3" title="Edit section: Launch"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Space Weather Follow On-Lagrange 1 is planned to be launched as a secondary payload on the <a href="/wiki/SpaceX" title="SpaceX">SpaceX</a> <a href="/wiki/Falcon_9_Block_5" title="Falcon 9 Block 5">Falcon 9</a> <a href="/wiki/Launch_vehicle" title="Launch vehicle">launch vehicle</a> carrying <a href="/wiki/NASA" title="NASA">NASA</a>'s <a href="/wiki/Interstellar_Mapping_and_Acceleration_Probe" title="Interstellar Mapping and Acceleration Probe">Interstellar Mapping and Acceleration Probe</a> (IMAP) spacecraft.<sup id="cite_ref-nasa-20190813_9-0" class="reference"><a href="#cite_note-nasa-20190813-9"><span class="cite-bracket">&#91;</span>9<span class="cite-bracket">&#93;</span></a></sup><sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">&#91;</span>10<span class="cite-bracket">&#93;</span></a></sup> As of July 2024, the launch was scheduled for 29 April 2025.<sup id="cite_ref-nasa-lspedu_1-2" class="reference"><a href="#cite_note-nasa-lspedu-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup> </p> <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=Space_Weather_Follow_On-Lagrange_1&amp;action=edit&amp;section=4" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1259569809">.mw-parser-output .portalbox{padding:0;margin:0.5em 0;display:table;box-sizing:border-box;max-width:175px;list-style:none}.mw-parser-output .portalborder{border:1px solid var(--border-color-base,#a2a9b1);padding:0.1em;background:var(--background-color-neutral-subtle,#f8f9fa)}.mw-parser-output .portalbox-entry{display:table-row;font-size:85%;line-height:110%;height:1.9em;font-style:italic;font-weight:bold}.mw-parser-output .portalbox-image{display:table-cell;padding:0.2em;vertical-align:middle;text-align:center}.mw-parser-output .portalbox-link{display:table-cell;padding:0.2em 0.2em 0.2em 0.3em;vertical-align:middle}@media(min-width:720px){.mw-parser-output .portalleft{clear:left;float:left;margin:0.5em 1em 0.5em 0}.mw-parser-output .portalright{clear:right;float:right;margin:0.5em 0 0.5em 1em}}</style><ul role="navigation" aria-label="Portals" class="noprint portalbox portalborder portalright"> <li class="portalbox-entry"><span class="portalbox-image"><span class="noviewer" typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/28px-RocketSunIcon.svg.png" decoding="async" width="28" height="28" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/42px-RocketSunIcon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d6/RocketSunIcon.svg/56px-RocketSunIcon.svg.png 2x" data-file-width="128" data-file-height="128" /></span></span></span><span class="portalbox-link"><a href="/wiki/Portal:Spaceflight" title="Portal:Spaceflight">Spaceflight portal</a></span></li></ul> <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 reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-nasa-lspedu-1"><span class="mw-cite-backlink">^ <a href="#cite_ref-nasa-lspedu_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-nasa-lspedu_1-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-nasa-lspedu_1-2"><sup><i><b>c</b></i></sup></a></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="https://public.ksc.nasa.gov/lspeducation/upcoming-missions/">"Upcoming Missions"</a>. <i><a href="/wiki/NASA_Launch_Services_Program" title="NASA Launch Services Program">NASA Launch Services Program</a></i>. 1 July 2024<span class="reference-accessdate">. Retrieved <span class="nowrap">3 August</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=unknown&amp;rft.jtitle=NASA+Launch+Services+Program&amp;rft.atitle=Upcoming+Missions&amp;rft.date=2024-07-01&amp;rft_id=https%3A%2F%2Fpublic.ksc.nasa.gov%2Flspeducation%2Fupcoming-missions%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span></span> </li> <li id="cite_note-Ullmanofcm2019-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-Ullmanofcm2019_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Ullmanofcm2019_2-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Ullmanofcm2019_2-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Ullmanofcm2019_2-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFUllman2019" class="citation web cs1">Ullman, Richard (26 June 2019). <a rel="nofollow" class="external text" href="https://www.ofcm.gov/meetings/swef/2019/presentations/4-4_ullman.pdf">"NOAA's Current and Future Space Weather Observational Architecture"</a> <span class="cs1-format">(PDF)</span>. Office of the Federal Coordinator for Meteorology<span class="reference-accessdate">. Retrieved <span class="nowrap">16 October</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NOAA%27s+Current+and+Future+Space+Weather+Observational+Architecture&amp;rft.pub=Office+of+the+Federal+Coordinator+for+Meteorology&amp;rft.date=2019-06-26&amp;rft.aulast=Ullman&amp;rft.aufirst=Richard&amp;rft_id=https%3A%2F%2Fwww.ofcm.gov%2Fmeetings%2Fswef%2F2019%2Fpresentations%2F4-4_ullman.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTalaat2019" class="citation web cs1">Talaat, Elsayed (4 April 2019). <a rel="nofollow" class="external text" href="https://www.swpc.noaa.gov/sites/default/files/images/u59/05%20Elsayed%20Talaat%20Official.pdf">"NOAA's Current and Future Space Weather Architecture"</a> <span class="cs1-format">(PDF)</span>. Space Weather Prediction Center<span class="reference-accessdate">. Retrieved <span class="nowrap">16 October</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NOAA%27s+Current+and+Future+Space+Weather+Architecture&amp;rft.pub=Space+Weather+Prediction+Center&amp;rft.date=2019-04-04&amp;rft.aulast=Talaat&amp;rft.aufirst=Elsayed&amp;rft_id=https%3A%2F%2Fwww.swpc.noaa.gov%2Fsites%2Fdefault%2Ffiles%2Fimages%2Fu59%2F05%2520Elsayed%2520Talaat%2520Official.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFOnsager" class="citation web cs1">Onsager, Terry. <a rel="nofollow" class="external text" href="https://swrc.gsfc.nasa.gov/main/sites/default/files/10thSpaceWeather_Presentations/onsager.pdf">"NOAA's Space Weather Plans"</a> <span class="cs1-format">(PDF)</span>. Space Weather Prediction Center<span class="reference-accessdate">. Retrieved <span class="nowrap">16 October</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NOAA%27s+Space+Weather+Plans&amp;rft.pub=Space+Weather+Prediction+Center&amp;rft.aulast=Onsager&amp;rft.aufirst=Terry&amp;rft_id=https%3A%2F%2Fswrc.gsfc.nasa.gov%2Fmain%2Fsites%2Fdefault%2Ffiles%2F10thSpaceWeather_Presentations%2Fonsager.pdf&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> <li id="cite_note-C&amp;CS-5"><span class="mw-cite-backlink">^ <a href="#cite_ref-C&amp;CS_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-C&amp;CS_5-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-C&amp;CS_5-2"><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="https://www.nesdis.noaa.gov/content/noaa-awards-swfo-ground-system-command-and-control-contract">"NOAA awards SWFO Ground System Command and Control contract"</a>. NOAA. 5 February 2021<span class="reference-accessdate">. Retrieved <span class="nowrap">6 February</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NOAA+awards+SWFO+Ground+System+Command+and+Control+contract&amp;rft.pub=NOAA&amp;rft.date=2021-02-05&amp;rft_id=https%3A%2F%2Fwww.nesdis.noaa.gov%2Fcontent%2Fnoaa-awards-swfo-ground-system-command-and-control-contract&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation pressrelease cs1"><a rel="nofollow" class="external text" href="https://www.nesdis.noaa.gov/content/noaas-space-weather-follow-lagrange-1-magnetometer-awarded">"NOAA's Space Weather Follow On-Lagrange 1 Magnetometer Awarded"</a> (Press release). NOAA. 15 April 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">28 April</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NOAA%27s+Space+Weather+Follow+On-Lagrange+1+Magnetometer+Awarded&amp;rft.pub=NOAA&amp;rft.date=2020-04-15&amp;rft_id=https%3A%2F%2Fwww.nesdis.noaa.gov%2Fcontent%2Fnoaas-space-weather-follow-lagrange-1-magnetometer-awarded&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</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.nasa.gov/news-release/nasa-awards-noaas-space-weather-follow-on-supra-thermal-ion-sensor/">"NASA Awards NOAA's Space Weather Follow On – Supra Thermal Ion Sensor"</a>. NASA<span class="reference-accessdate">. Retrieved <span class="nowrap">13 May</span> 2024</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NASA+Awards+NOAA%E2%80%99s+Space+Weather+Follow+On+%E2%80%93+Supra+Thermal+Ion+Sensor&amp;rft.pub=NASA&amp;rft_id=https%3A%2F%2Fwww.nasa.gov%2Fnews-release%2Fnasa-awards-noaas-space-weather-follow-on-supra-thermal-ion-sensor%2F&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span></span> </li> <li id="cite_note-SWiPS-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-SWiPS_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="https://www.nesdis.noaa.gov/content/nasa-awards-noaa%E2%80%99s-space-weather-follow-lagrange-1-solar-wind-plasma-sensor">"NASA Awards NOAA's Space Weather Follow On-Lagrange 1 Solar Wind Plasma Sensor"</a>. NOAA. 1 July 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">6 February</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NASA+Awards+NOAA%27s+Space+Weather+Follow+On-Lagrange+1+Solar+Wind+Plasma+Sensor&amp;rft.pub=NOAA&amp;rft.date=2020-07-01&amp;rft_id=https%3A%2F%2Fwww.nesdis.noaa.gov%2Fcontent%2Fnasa-awards-noaa%25E2%2580%2599s-space-weather-follow-lagrange-1-solar-wind-plasma-sensor&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> <li id="cite_note-nasa-20190813-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-nasa-20190813_9-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation pressrelease cs1"><a rel="nofollow" class="external text" href="https://www.nasa.gov/press-release/nasa-selects-proposals-to-further-study-the-fundamental-nature-of-space">"NASA Selects Proposals to Further Study the Fundamental Nature of Space"</a> (Press release). NASA. 13 August 2019<span class="reference-accessdate">. Retrieved <span class="nowrap">9 October</span> 2019</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NASA+Selects+Proposals+to+Further+Study+the+Fundamental+Nature+of+Space&amp;rft.pub=NASA&amp;rft.date=2019-08-13&amp;rft_id=https%3A%2F%2Fwww.nasa.gov%2Fpress-release%2Fnasa-selects-proposals-to-further-study-the-fundamental-nature-of-space&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation pressrelease cs1"><a rel="nofollow" class="external text" href="https://www.nasa.gov/press-release/nasa-awards-launch-services-contract-for-imap-mission">"NASA Awards Launch Services Contract for IMAP Mission"</a> (Press release). NASA. 25 September 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">25 September</span> 2020</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=unknown&amp;rft.btitle=NASA+Awards+Launch+Services+Contract+for+IMAP+Mission&amp;rft.pub=NASA&amp;rft.date=2020-09-25&amp;rft_id=https%3A%2F%2Fwww.nasa.gov%2Fpress-release%2Fnasa-awards-launch-services-contract-for-imap-mission&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3ASpace+Weather+Follow+On-Lagrange+1" class="Z3988"></span> <span class="noviewer" typeof="mw:File"><span><img alt="Public Domain" src="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/12px-PD-icon.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/18px-PD-icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/6/62/PD-icon.svg/24px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> This article incorporates text from this source, which is in the <a href="/wiki/Public_domain" title="Public domain">public domain</a>.</span> </li> </ol></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=Space_Weather_Follow_On-Lagrange_1&amp;action=edit&amp;section=5" 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://www.nesdis.noaa.gov/OPPA/swfo-L1.php">Space Weather Follow On-L1 mission</a></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="Solar_space_missions" 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"><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:Sun_spacecraft" title="Template:Sun spacecraft"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Sun_spacecraft" title="Template talk:Sun spacecraft"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Sun_spacecraft" title="Special:EditPage/Template:Sun spacecraft"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Solar_space_missions" style="font-size:114%;margin:0 4em"><a href="/wiki/Sun#Solar_space_missions" title="Sun">Solar space missions</a></div></th></tr><tr><td class="navbox-abovebelow" colspan="2"><div> <ul><li><a href="/wiki/List_of_heliophysics_missions" title="List of heliophysics missions">List of heliophysics missions</a> - <a href="/wiki/List_of_solar_telescopes" title="List of solar telescopes">List of solar telescopes</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Current</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/Advanced_Composition_Explorer" title="Advanced Composition Explorer">ACE</a> <span style="font-size:85%;">(since 1997)</span></li> <li><a href="/wiki/Aditya-L1" title="Aditya-L1">Aditya-L1</a> <span style="font-size:85%;">(since 2023)</span></li> <li><a href="/wiki/Advanced_Space-based_Solar_Observatory" title="Advanced Space-based Solar Observatory">ASO-S</a> <span style="font-size:85%;">(since 2022)</span></li> <li><a href="/wiki/Chinese_H-alpha_Solar_Explorer" title="Chinese H-alpha Solar Explorer">CHASE (Xihe)</a> <span style="font-size:85%;">(since 2021)</span></li> <li><a href="/wiki/Deep_Space_Climate_Observatory" title="Deep Space Climate Observatory">DSCOVR</a> <span style="font-size:85%;">(since 2015)</span></li> <li><a href="/wiki/Hinode_(satellite)" title="Hinode (satellite)">Hinode (Solar-B)</a> <span style="font-size:85%;">(since 2006)</span></li> <li><a href="/wiki/Interface_Region_Imaging_Spectrograph" title="Interface Region Imaging Spectrograph">IRIS</a> <span style="font-size:85%;">(since 2013)</span></li> <li><a href="/wiki/Parker_Solar_Probe" title="Parker Solar Probe">Parker Solar Probe</a> <span style="font-size:85%;">(since 2018)</span></li> <li><a href="/wiki/Solar_and_Heliospheric_Observatory" title="Solar and Heliospheric Observatory">Solar and Heliospheric Observatory</a> <span style="font-size:85%;">(since 1995)</span></li> <li><a href="/wiki/Solar_Dynamics_Observatory" title="Solar Dynamics Observatory">Solar Dynamics Observatory</a> <span style="font-size:85%;">(since 2010)</span></li> <li><a href="/wiki/Solar_Orbiter" title="Solar Orbiter">Solar Orbiter</a> <span style="font-size:85%;">(since 2020)</span></li> <li><a href="/wiki/STEREO" title="STEREO">STEREO</a> <span style="font-size:85%;">(since 2006)</span></li> <li><a href="/wiki/Wind_(spacecraft)" title="Wind (spacecraft)"><i>Wind</i></a> <span style="font-size:85%;">(since 1994)</span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Past</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/Apollo_Telescope_Mount" title="Apollo Telescope Mount">Apollo Telescope Mount</a></li> <li><a href="/wiki/CORONAS_programme#CORONAS-I" title="CORONAS programme">CORONAS-I</a></li> <li><a href="/wiki/CORONAS_programme#CORONAS-F" title="CORONAS programme">CORONAS-F</a></li> <li><a href="/wiki/Koronas-Foton" title="Koronas-Foton">CORONAS-Photon</a></li> <li><a href="/wiki/European_Retrievable_Carrier" title="European Retrievable Carrier">EURECA</a></li> <li><a href="/wiki/ESRO_2B" title="ESRO 2B">ESRO 2B</a></li> <li><a href="/wiki/Genesis_(spacecraft)" title="Genesis (spacecraft)"><i>Genesis</i></a></li> <li><a href="/wiki/GOES_13" title="GOES 13">GOES 13</a></li> <li><a href="/wiki/Helios_(spacecraft)" title="Helios (spacecraft)"><i>Helios</i></a></li> <li><a href="/wiki/Hinotori_(satellite)" title="Hinotori (satellite)">Hinotori (Astro-A)</a></li> <li><a href="/wiki/Explorer_50" title="Explorer 50">IMP-8</a></li> <li><a href="/wiki/ISEE-1" title="ISEE-1">ISEE-1</a></li> <li><a href="/wiki/ISEE-2" title="ISEE-2">ISEE-2</a></li> <li><a href="/wiki/International_Cometary_Explorer" title="International Cometary Explorer">ICE / ISEE-3</a></li> <li><a href="/wiki/Miniature_X-ray_Solar_Spectrometer_CubeSat" title="Miniature X-ray Solar Spectrometer CubeSat">MinXSS1</a></li> <li><a href="/wiki/Miniature_X-ray_Solar_Spectrometer_CubeSat" title="Miniature X-ray Solar Spectrometer CubeSat">MinXSS2</a></li> <li><a href="/wiki/Orbiting_Solar_Observatory" title="Orbiting Solar Observatory">Orbiting Solar Observatory</a> <ul><li><a href="/wiki/OSO_1" class="mw-redirect" title="OSO 1">OSO 1</a></li> <li><a href="/wiki/OSO_2" class="mw-redirect" title="OSO 2">OSO 2</a>/<a href="/wiki/OSO_B" class="mw-redirect" title="OSO B">OSO B</a></li> <li><a href="/wiki/OSO_3" title="OSO 3">OSO 3</a></li> <li><a href="/wiki/OSO_4" class="mw-redirect" title="OSO 4">OSO 4</a></li> <li><a href="/wiki/OSO_5" class="mw-redirect" title="OSO 5">OSO 5</a></li> <li><a href="/wiki/OSO_6" class="mw-redirect" title="OSO 6">OSO 6</a></li> <li><a href="/wiki/OSO_7" title="OSO 7">OSO 7</a></li> <li><a href="/wiki/OSO_8" class="mw-redirect" title="OSO 8">OSO 8</a></li> <li><a href="/wiki/Solwind" title="Solwind">Solwind</a></li></ul></li> <li><a href="/wiki/Picard_(satellite)" title="Picard (satellite)">PICARD</a></li> <li><a href="/wiki/Pioneer_5" title="Pioneer 5">Pioneer 5</a></li> <li><a href="/wiki/Pioneer_6,_7,_8,_and_9" title="Pioneer 6, 7, 8, and 9">Pioneer 6, 7, 8 and 9</a></li> <li><a href="/wiki/PROBA-2" title="PROBA-2">PROBA-2</a></li> <li><a href="/wiki/Prognoz_(satellite)" class="mw-redirect" title="Prognoz (satellite)">Prognoz programme</a></li> <li><a href="/wiki/Reuven_Ramaty_High_Energy_Solar_Spectroscopic_Imager" title="Reuven Ramaty High Energy Solar Spectroscopic Imager">RHESSI</a></li> <li><a href="/wiki/SOLAR_(ISS)" title="SOLAR (ISS)">SOLAR</a></li> <li><a href="/wiki/Solar_Maximum_Mission" title="Solar Maximum Mission">SolarMax</a></li> <li><a href="/wiki/STS-87#SPARTAN-201" title="STS-87">Spartan 201</a></li> <li><a href="/wiki/Solar_Radiation_and_Thermospheric_Satellite" title="Solar Radiation and Thermospheric Satellite">Taiyo (SRATS)</a></li> <li><a href="/wiki/TRACE" title="TRACE">TRACE</a></li> <li><a href="/wiki/Ulysses_(spacecraft)" title="Ulysses (spacecraft)"><i>Ulysses</i></a></li> <li><a href="/wiki/Yohkoh" title="Yohkoh">Yohkoh (Solar-A)</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Planned</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/PROBA-3" title="PROBA-3">PROBA-3</a> <span style="font-size:85%;">(2024)</span></li> <li><a href="/wiki/Electrojet_Zeeman_Imaging_Explorer" title="Electrojet Zeeman Imaging Explorer">Electrojet Zeeman Imaging Explorer</a> <span style="font-size:85%;">(2025)</span></li> <li><a href="/wiki/Polarimeter_to_Unify_the_Corona_and_Heliosphere" title="Polarimeter to Unify the Corona and Heliosphere">PUNCH</a> <span style="font-size:85%;">(2025)</span></li> <li><a class="mw-selflink selflink">SWFO-L1</a> <span style="font-size:85%;">(2025)</span></li> <li><a href="/wiki/Tandem_Reconnection_and_Cusp_Electrodynamics_Reconnaissance_Satellites" title="Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites">TRACERS</a> <span style="font-size:85%;">(2025)</span></li> <li><a href="/wiki/SOLAR-C" title="SOLAR-C">SOLAR-C</a> <span style="font-size:85%;">(2028)</span></li> <li><a href="/wiki/HelioSwarm" title="HelioSwarm">HelioSwarm</a> <span style="font-size:85%;">(2028)</span></li> <li><a href="/wiki/ESA_Vigil" title="ESA Vigil"><i>Vigil</i></a> <span style="font-size:85%;">(2031)</span></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Proposed</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/ADAHELI" title="ADAHELI">ADAHELI</a></li> <li><a href="/wiki/Science-Enabling_Technologies_for_Heliophysics" title="Science-Enabling Technologies for Heliophysics">SETH</a></li> <li><a href="/wiki/Sundiver_(space_mission)" title="Sundiver (space mission)">Sundiver</a></li> <li><a href="/wiki/Galileo_Solar_Space_Telescope" title="Galileo Solar Space Telescope">GSST</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Cancelled</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/AOSO" class="mw-redirect" title="AOSO">AOSO</a></li> <li><a href="/wiki/Pioneer_H" title="Pioneer H">Pioneer H</a></li> <li><a href="/wiki/Orbiting_Solar_Observatory" title="Orbiting Solar Observatory">OSO J</a></li> <li><a href="/wiki/Orbiting_Solar_Observatory" title="Orbiting Solar Observatory">OSO K</a></li> <li><a href="/wiki/Solar_Cruiser" title="Solar Cruiser">Solar Cruiser</a></li> <li><a href="/wiki/Solar_Sentinels" title="Solar Sentinels">Solar Sentinels</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Lost</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/Pioneer_E" class="mw-redirect" title="Pioneer E">Pioneer E</a></li> <li><a href="/wiki/OSO_C" class="mw-redirect" title="OSO C">OSO C</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Sun-Earth</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/Solar_Radiation_and_Climate_Experiment" title="Solar Radiation and Climate Experiment">SORCE</a></li> <li><a href="/wiki/Solar_X-ray_Imager" title="Solar X-ray Imager">SXI</a></li> <li><a href="/wiki/ACRIMSAT" title="ACRIMSAT">ACRIMSAT</a></li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><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:Missions_to_the_Sun" title="Category:Missions to the Sun">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="Future_spaceflights" style="padding:3px"><table class="nowraplinks hlist mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="text-align: center;"><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:Future_spaceflights" title="Template:Future spaceflights"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Future_spaceflights" title="Template talk:Future spaceflights"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Future_spaceflights" title="Special:EditPage/Template:Future spaceflights"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Future_spaceflights" style="font-size:114%;margin:0 4em">Future spaceflights</div></th></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%"><a href="/wiki/Human_spaceflight" title="Human spaceflight">Crewed</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:3em;text-align: center;"><a href="/wiki/2025_in_spaceflight" title="2025 in spaceflight">2025</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/SpaceX_Crew-10" title="SpaceX Crew-10">SpaceX Crew-10</a> (February)</li> <li><a href="/wiki/Fram2" title="Fram2">Fram2</a> (March)</li> <li><a href="/wiki/Soyuz_MS-27" title="Soyuz MS-27">Soyuz MS-27</a> (March)</li> <li><a href="/wiki/Shenzhou_20" title="Shenzhou 20">Shenzhou 20</a> (May)</li> <li><a href="/wiki/Axiom_Mission_4" title="Axiom Mission 4">Axiom Mission 4</a> (Spring)</li> <li><a href="/wiki/Boeing_Starliner-1" title="Boeing Starliner-1">Boeing Starliner-1</a> (August)</li> <li><a href="/wiki/Soyuz_MS-28" title="Soyuz MS-28">Soyuz MS-28</a> (September)</li> <li><a href="/wiki/Artemis_II" title="Artemis II">Artemis II</a> (September)</li> <li><a href="/wiki/Vast-1" title="Vast-1">Vast-1</a></li> <li><a href="/w/index.php?title=Shenzhou_21&amp;action=edit&amp;redlink=1" class="new" title="Shenzhou 21 (page does not exist)">Shenzhou 21</a> (November)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em;text-align: center;">2026+</th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Soyuz_MS-29" title="Soyuz MS-29">Soyuz MS-29</a> (March 2026)</li> <li><a href="/wiki/Artemis_III" title="Artemis III">Artemis III</a> (2026)</li> <li><a href="/wiki/Gaganyaan-4" title="Gaganyaan-4">Gaganyaan-4</a> (2026)</li> <li><a href="/wiki/Gaganyaan-5" title="Gaganyaan-5">Gaganyaan-5</a></li> <li><a href="/wiki/Artemis_IV" title="Artemis IV">Artemis IV</a> (2028)</li> <li><a href="/wiki/Artemis_V" title="Artemis V">Artemis V</a> (2030)</li> <li><a href="/wiki/Chinese_Lunar_Exploration_Program#Crewed_mission_phase" title="Chinese Lunar Exploration Program">Chinese Crewed Lunar Landing Mission</a> (~2030)</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Uncrewed</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:3em;text-align: center;"><a href="/wiki/2024_in_spaceflight" title="2024 in spaceflight">2024</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Firefly_Aerospace#Blue_Ghost_lunar_lander" title="Firefly Aerospace">Blue Ghost</a> M1</li> <li><a href="/wiki/DISHA_(spacecraft)" title="DISHA (spacecraft)">DISHA</a></li> <li><a href="/wiki/GOSAT-GW" class="mw-redirect" title="GOSAT-GW">GOSAT-GW</a></li> <li><a href="/wiki/GSAT-20" title="GSAT-20">GSAT-20</a></li> <li><a href="/wiki/Ispace_(Japanese_company)#Hakuto-R_Program" class="mw-redirect" title="Ispace (Japanese company)">Hakuto-R M2</a></li> <li><a href="/wiki/PROBA-3" title="PROBA-3">PROBA-3</a> (December)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em;text-align: center;"><a href="/wiki/2025_in_spaceflight" title="2025 in spaceflight">2025</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Biomass_(satellite)" title="Biomass (satellite)">Biomass</a></li> <li><a href="/wiki/Bion-M_No.2" title="Bion-M No.2">Bion-M No.2</a> (March)</li> <li><a href="/wiki/EscaPADE" title="EscaPADE">ESCAPADE</a></li> <li><a href="/wiki/Gaganyaan-1" title="Gaganyaan-1">Gaganyaan-1</a> (March)</li> <li><a href="/wiki/IM-2" title="IM-2">IM-2</a> / <a href="/wiki/Lunar_Trailblazer" title="Lunar Trailblazer">Lunar Trailblazer</a> (January)</li> <li><a href="/wiki/Interstellar_Mapping_and_Acceleration_Probe" title="Interstellar Mapping and Acceleration Probe">IMAP</a> / <a href="/wiki/Space_Weather_Follow-On_L1" class="mw-redirect" title="Space Weather Follow-On L1">SWFO-L1</a> (April)</li> <li><a href="/wiki/Gaganyaan-2" title="Gaganyaan-2">Gaganyaan-2</a></li> <li><a href="/wiki/Gaganyaan-3" title="Gaganyaan-3">Gaganyaan-3</a></li> <li><a href="/wiki/Garat%C3%A9a-L" title="Garatéa-L">Garatéa-L</a></li> <li><a href="/wiki/HTV-X1" title="HTV-X1">HTV-X1</a></li> <li><a href="/wiki/IM-3" class="mw-redirect" title="IM-3">IM-3</a></li> <li><a href="/wiki/LOXSAT" title="LOXSAT">LOXSAT1</a></li> <li><a href="/wiki/MetOp-SG" title="MetOp-SG">MetOp-SG</a> Series A</li> <li><a href="/wiki/MetOp-SG" title="MetOp-SG">MetOp-SG</a> Series B</li> <li><a href="/wiki/Multispectral_Unit_for_Land_Assessment" title="Multispectral Unit for Land Assessment">MULA</a></li> <li><a href="/wiki/NISAR_(satellite)" title="NISAR (satellite)">NISAR</a></li> <li><a href="/wiki/PETREL" title="PETREL">PETREL</a></li> <li><a href="/wiki/SMILE_(spacecraft)" title="SMILE (spacecraft)">SMILE</a></li> <li><a href="/wiki/Space_Rider" title="Space Rider">Space Rider</a></li> <li><a href="/wiki/SPARCS" title="SPARCS">SPARCS</a></li> <li><a href="/wiki/SPHEREx" title="SPHEREx">SPHEREx</a> / <a href="/wiki/Polarimeter_to_Unify_the_Corona_and_Heliosphere" title="Polarimeter to Unify the Corona and Heliosphere">PUNCH</a> (February)</li> <li><a href="/wiki/SSC_Demo-1" title="SSC Demo-1">SSC Demo-1</a></li> <li><a href="/wiki/Tianwen-2" title="Tianwen-2">Tianwen-2</a> (May)</li> <li><a href="/wiki/Tandem_Reconnection_and_Cusp_Electrodynamics_Reconnaissance_Satellites" title="Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites">TRACERS</a> (April)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em;text-align: center;"><a href="/wiki/2026_in_spaceflight" title="2026 in spaceflight">2026</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/ALTIUS" title="ALTIUS">ALTIUS</a> / <a href="/wiki/FLEX_(satellite)" title="FLEX (satellite)">FLEX</a></li> <li><a href="/wiki/Chang%27e_7" title="Chang&#39;e 7">Chang'e 7</a> / <a href="/wiki/Emirates_Lunar_Mission" title="Emirates Lunar Mission">Rashid 2</a></li> <li><a href="/wiki/Ispace_(Japanese_company)" class="mw-redirect" title="Ispace (Japanese company)">ispace M3</a></li> <li><a href="/wiki/Martian_Moons_eXploration" title="Martian Moons eXploration">MMX</a></li> <li><a href="/wiki/Nancy_Grace_Roman_Space_Telescope" title="Nancy Grace Roman Space Telescope">Nancy Grace Roman Space Telescope</a> (2026–2027)</li> <li><a href="/wiki/Xuntian" title="Xuntian">Xuntian</a></li> <li><a href="/wiki/PLATO_(spacecraft)" title="PLATO (spacecraft)">PLATO</a></li> <li><a href="/wiki/ULTRASAT" title="ULTRASAT">ULTRASAT</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em;text-align: center;"><a href="/wiki/2027_in_spaceflight" title="2027 in spaceflight">2027</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chandrayaan-4" title="Chandrayaan-4">Chandrayaan-4</a></li> <li><a href="/wiki/Far-infrared_Outgoing_Radiation_Understanding_and_Monitoring" title="Far-infrared Outgoing Radiation Understanding and Monitoring">FORUM</a></li> <li><a href="/wiki/Luna_26" title="Luna 26">Luna 26</a></li> <li><a href="/wiki/NEO_Surveyor" title="NEO Surveyor">NEO Surveyor</a> (September)</li> <li><a href="/wiki/Power_and_Propulsion_Element" title="Power and Propulsion Element">PPE</a> / <a href="/wiki/Habitation_and_Logistics_Outpost" title="Habitation and Logistics Outpost">HALO</a></li> <li><a href="/wiki/Superbird-9" title="Superbird-9">Superbird-9</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em;text-align: center;"><a href="/wiki/2020s_in_spaceflight" title="2020s in spaceflight">2028+</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Chinese_Lunar_Exploration_Program" title="Chinese Lunar Exploration Program">Chang'e 8</a> (2028)</li> <li><a href="/wiki/DESTINY%2B" title="DESTINY+">DESTINY<sup>+</sup></a> (2028)</li> <li><a href="/wiki/Dragonfly_(Titan_space_probe)" title="Dragonfly (Titan space probe)">Dragonfly</a> (2028)</li> <li><a href="/wiki/Nano-JASMINE" title="Nano-JASMINE">JASMINE</a> (2028)</li> <li><a href="/wiki/Luna_27" title="Luna 27">Luna 27</a> (2028)</li> <li><a href="/wiki/Lunar_Polar_Exploration_Mission" title="Lunar Polar Exploration Mission">LUPEX</a> (2028)</li> <li><a href="/wiki/MBR_(spacecraft)" class="mw-redirect" title="MBR (spacecraft)">MBR Explorer</a> (2028)</li> <li><a href="/wiki/NASA-ESA_Mars_Sample_Return" title="NASA-ESA Mars Sample Return">MSR</a> (2028)</li> <li><a href="/wiki/Rosalind_Franklin_(rover)" title="Rosalind Franklin (rover)"><i>Rosalind Franklin</i> rover</a> (2028)</li> <li><a href="/wiki/SAOCOM" title="SAOCOM">SAOCOM-2A</a> (2028)</li> <li><a href="/wiki/Solar-C_EUVST" class="mw-redirect" title="Solar-C EUVST">Solar-C EUVST</a> (2028)</li> <li><a href="/wiki/Tianwen-3" title="Tianwen-3">Tianwen-3</a> (2028)</li> <li><a href="/wiki/Venus_Orbiter_Mission" title="Venus Orbiter Mission">Venus Orbiter Mission</a> (2028)</li> <li><a href="/wiki/ARIEL" title="ARIEL">ARIEL</a> / <a href="/wiki/Comet_Interceptor" title="Comet Interceptor">Comet Interceptor</a> (2029)</li> <li><a href="/wiki/Living_Planet_Programme" title="Living Planet Programme">Harmony</a> (2029)</li> <li><a href="/wiki/Tianwen-4" title="Tianwen-4">Tianwen-4</a> (2029)</li> <li><a href="/wiki/Venera-D" title="Venera-D">Venera-D</a> (2029–2031)</li> <li>ISS Deorbit Vehicle (2030)</li> <li><a href="/wiki/Luna_28" title="Luna 28">Luna 28</a> (2030)</li> <li><a href="/wiki/SAOCOM" title="SAOCOM">SAOCOM-2B</a> (2030)</li> <li><a href="/wiki/Spektr-UV" title="Spektr-UV">Spektr-UV</a> (2030)</li> <li><a href="/wiki/Spektr-M" title="Spektr-M">Spektr-M</a> (2030+)</li> <li><a href="/wiki/EnVision" title="EnVision">EnVision</a> (2031)</li> <li><a href="/wiki/VERITAS_(spacecraft)" title="VERITAS (spacecraft)">VERITAS</a> (2031)</li> <li><a href="/wiki/DAVINCI" title="DAVINCI">DAVINCI</a> (2031–2032)</li> <li><a href="/wiki/LiteBIRD" title="LiteBIRD">LiteBIRD</a> (2032)</li> <li><a href="/wiki/Advanced_Telescope_for_High_Energy_Astrophysics" title="Advanced Telescope for High Energy Astrophysics">Athena</a> (2035)</li> <li><a href="/wiki/Laser_Interferometer_Space_Antenna" title="Laser Interferometer Space Antenna">LISA</a> (2035)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:3em;text-align: center;"><a href="/wiki/TBA" class="mw-redirect" title="TBA">TBA</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Janus_(spacecraft)" title="Janus (spacecraft)">Janus</a></li> <li><a href="/wiki/Mars_Orbiter_Mission_2" class="mw-redirect" title="Mars Orbiter Mission 2">MOM 2</a></li> <li><a href="/wiki/Tera-hertz_Explorer" title="Tera-hertz Explorer">TEREX-1</a> (mid 2020s)</li> <li><a href="/wiki/Uranus_Orbiter_and_Probe" title="Uranus Orbiter and Probe">Uranus Orbiter and Probe</a></li> <li><a href="/wiki/Habitable_Worlds_Observatory" title="Habitable Worlds Observatory">Habitable Worlds Observatory</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">Recently<br />launched</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/Polaris_Dawn" title="Polaris Dawn">Polaris Dawn</a> (10 September)</li> <li><a href="/wiki/Soyuz_MS-26" title="Soyuz MS-26">Soyuz MS-26</a> (11 September)</li> <li><a href="/wiki/SpaceX_Crew-9" title="SpaceX Crew-9">SpaceX Crew-9</a> (28 September)</li> <li><a href="/wiki/Europa_Clipper" title="Europa Clipper">Europa Clipper</a> (14 October)</li> <li><a href="/wiki/Shenzhou_19" title="Shenzhou 19">Shenzhou 19</a> (29 October)</li></ul> </div></td></tr><tr><td class="navbox-abovebelow" colspan="2" style="text-align: center;"><div> <ul><li><a href="/wiki/List_of_proposed_missions_to_the_Moon" class="mw-redirect" title="List of proposed missions to the Moon">List of proposed missions to the Moon</a></li> <li><a href="/wiki/List_of_proposed_space_observatories" class="mw-redirect" title="List of proposed space observatories">List of proposed space observatories</a></li> <li><a href="/wiki/List_of_proposed_Solar_System_probes" title="List of proposed Solar System probes">List of proposed Solar System probes</a></li></ul> </div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐web.codfw.main‐847495b4dd‐spxzr Cached time: 20241128122314 Cache expiry: 2592000 Reduced expiry: false Complications: [vary‐revision‐sha1, show‐toc] CPU time usage: 0.425 seconds Real time usage: 0.528 seconds Preprocessor visited node count: 2166/1000000 Post‐expand include size: 87663/2097152 bytes Template argument size: 2674/2097152 bytes Highest expansion depth: 12/100 Expensive parser function count: 4/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 64196/5000000 bytes Lua time usage: 0.243/10.000 seconds Lua memory usage: 5718563/52428800 bytes Number of Wikibase entities loaded: 1/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 450.296 1 -total 31.74% 142.916 1 Template:Reflist 30.58% 137.705 4 Template:Infobox 24.26% 109.226 4 Template:Navbox 22.79% 102.635 1 Template:Sun_spacecraft 22.44% 101.067 7 Template:Cite_web 19.03% 85.689 1 Template:Infobox_spaceflight 13.75% 61.917 1 Template:Short_description 8.26% 37.205 2 Template:Pagetype 3.40% 15.321 1 Template:Use_American_English --> <!-- Saved in parser cache with key enwiki:pcache:62073057:|#|:idhash:canonical and timestamp 20241128122314 and revision id 1254657401. Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&amp;useformat=desktop" 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=Space_Weather_Follow_On-Lagrange_1&amp;oldid=1254657401">https://en.wikipedia.org/w/index.php?title=Space_Weather_Follow_On-Lagrange_1&amp;oldid=1254657401</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:Solar_space_observatories" title="Category:Solar space observatories">Solar space observatories</a></li><li><a href="/wiki/Category:2025_in_spaceflight" title="Category:2025 in spaceflight">2025 in spaceflight</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:Source_attribution" title="Category:Source attribution">Source attribution</a></li><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:Use_American_English_from_February_2021" title="Category:Use American English from February 2021">Use American English from February 2021</a></li><li><a href="/wiki/Category:All_Wikipedia_articles_written_in_American_English" title="Category:All Wikipedia articles written in American English">All Wikipedia articles written in American English</a></li><li><a href="/wiki/Category:Use_dmy_dates_from_February_2021" title="Category:Use dmy dates from February 2021">Use dmy dates from February 2021</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 1 November 2024, at 01:14<span class="anonymous-show">&#160;(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=Space_Weather_Follow_On-Lagrange_1&amp;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-5c59558b9d-rvwp8","wgBackendResponseTime":175,"wgPageParseReport":{"limitreport":{"cputime":"0.425","walltime":"0.528","ppvisitednodes":{"value":2166,"limit":1000000},"postexpandincludesize":{"value":87663,"limit":2097152},"templateargumentsize":{"value":2674,"limit":2097152},"expansiondepth":{"value":12,"limit":100},"expensivefunctioncount":{"value":4,"limit":500},"unstrip-depth":{"value":1,"limit":20},"unstrip-size":{"value":64196,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 450.296 1 -total"," 31.74% 142.916 1 Template:Reflist"," 30.58% 137.705 4 Template:Infobox"," 24.26% 109.226 4 Template:Navbox"," 22.79% 102.635 1 Template:Sun_spacecraft"," 22.44% 101.067 7 Template:Cite_web"," 19.03% 85.689 1 Template:Infobox_spaceflight"," 13.75% 61.917 1 Template:Short_description"," 8.26% 37.205 2 Template:Pagetype"," 3.40% 15.321 1 Template:Use_American_English"]},"scribunto":{"limitreport-timeusage":{"value":"0.243","limit":"10.000"},"limitreport-memusage":{"value":5718563,"limit":52428800}},"cachereport":{"origin":"mw-web.codfw.main-847495b4dd-spxzr","timestamp":"20241128122314","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Space Weather Follow On-Lagrange 1","url":"https:\/\/en.wikipedia.org\/wiki\/Space_Weather_Follow_On-Lagrange_1","sameAs":"http:\/\/www.wikidata.org\/entity\/Q85802449","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q85802449","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":"2019-10-16T00:09:05Z","dateModified":"2024-11-01T01:14:37Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/2\/25\/SWFO-L1.jpg","headline":"proposed NOAA solar storm monitoring spacecraft"}</script> </body> </html>

Pages: 1 2 3 4 5 6 7 8 9 10