{"id":742,"date":"2012-03-12T10:42:00","date_gmt":"2012-03-12T09:42:00","guid":{"rendered":"https:\/\/kids.esa.int\/launch_nears_for_europe_s_new_weather_watcher\/"},"modified":"2026-10-08T00:31:47","modified_gmt":"2026-10-07T22:31:47","slug":"launch_nears_for_europe_s_new_weather_watcher","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/fr\/launch_nears_for_europe_s_new_weather_watcher\/","title":{"rendered":"Le nouveau satellite m\u00e9t\u00e9orologique europ\u00e9en va \u00eatre lanc\u00e9"},"content":{"rendered":"<div class=\"lede\">\n<p>Plus que quelques mois avant le lancement du nouveau satellite m\u00e9t\u00e9orologique europ\u00e9en ! Deux satellites Meteosat de Seconde G\u00e9n\u00e9ration (MSG) sont d\u00e9j\u00e0 en orbite, mais les services qu\u2019ils fournissent sont si pr\u00e9cieux qu'un troisi\u00e8me va bient\u00f4t \u00eatre mis en service. Les \u00e9quipes de contr\u00f4le sont en cours de formation.<\/p>\n<\/div>\n<p>D\u2019un poids total de 2 tonnes, MSG-3 est le troisi\u00e8me d\u2019une s\u00e9rie de quatre satellites europ\u00e9ens con\u00e7us pour d\u00e9tecter les changements climatiques en Europe, en Afrique et au Moyen-Orient. Le premier satellite de la s\u00e9rie, MSG-1, a \u00e9t\u00e9 lanc\u00e9 en 2002 et rebaptis\u00e9 Meteosat 8 une fois sur orbite. MSG-2, alias Meteosat 9, l'a suivi trois ans plus tard. Tous deux ont assur\u00e9 la r\u00e9ussite du programme de satellites m\u00e9t\u00e9orologiques op\u00e9rationnels, qui avait d\u00e9marr\u00e9 avec Meteosat 1 en 1977.<\/p>\n<figure class=\"wp-block-image size-large\" data-width=\"1772\" data-credit=\"ESA\" data-detail-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2009\/10\/Meteosat_Second_Generation_MSG2\" data-licence=\"ESA Standard Licence\" data-licence-url=\"https:\/\/www.esa.int\/ESA_Multimedia\/Terms_and_conditions_of_use_of_images_and_videos_available_on_the_esa_website\"><img decoding=\"async\" loading=\"lazy\" style=\"max-width:100%;height:auto\" src=\"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2009\/10\/meteosat_second_generation_msg2\/17874297-2-eng-GB\/Meteosat_Second_Generation_MSG.jpg\" alt=\"Meteosat Second Generation (MSG)\"><figcaption>Meteosat de deuxi\u00e8me g\u00e9n\u00e9ration (MSG)<\/figcaption><\/figure>\n<p>Plac\u00e9s en orbite g\u00e9ostationnaire, \u00e0 35 800 kilom\u00e8tres au dessus de l'\u00e9quateur, les satellites cylindriques et rotatifs Meteosat transmettent des images d\u00e9taill\u00e9es toutes les 15 minutes, qui sont ensuite utilis\u00e9es pour les pr\u00e9visions m\u00e9t\u00e9orologiques \u00e0 la t\u00e9l\u00e9vision et sur Internet. Ces donn\u00e9es m\u00e9t\u00e9o nous permettent d\u2019anticiper les temp\u00eates, les chutes de neige et les inondations afin de sauver des vies humaines et de r\u00e9duire le co\u00fbt des catastrophes naturelles.<\/p>\n<p>En plus de renvoyer des images \u00e0 longueur d\u2019onde variable, aussi bien par lumi\u00e8re visible que par rayonnement infrarouge, les satellites MSG embarquent des instruments permettant aux chercheurs d\u2019\u00e9tudier le r\u00e9chauffement climatique. Une troisi\u00e8me charge utile, servant \u00e0 relayer les signaux de d\u00e9tresse \u00e9mis par les avions et les bateaux, est destin\u00e9e aux missions de recherche et de sauvetage.<\/p>\n<p>Les satellites MSG sont construits \u00e0 Cannes, en France, par Thales Alenia Space. L'ESA g\u00e8re leur d\u00e9veloppement et assure leurs premi\u00e8res op\u00e9rations orbitales. Environ dix jours apr\u00e8s le lancement, le contr\u00f4le de MSG-3 sera transf\u00e9r\u00e9 \u00e0 EUMETSAT \u2013 l\u2019Organisation europ\u00e9enne pour l\u2019exploitation des satellites m\u00e9t\u00e9orologiques \u2013, dont le si\u00e8ge se trouve \u00e0 Darmstadt, en Allemagne.<\/p>","protected":false},"excerpt":{"rendered":"<p>The launch of Europe\u2019s latest weather satellite is only months away. Two Meteosat Second Generation (MSG) satellites are already in orbit, but the services they provide are so vital that [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2012\/03\/msg-3_in_the_cleanroom2\/17871781-2-eng-GB\/MSG-3_In_the_cleanroom.jpg","esa_banner_description":"MSG-3 In the cleanroom","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2012\/03\/MSG-3_In_the_cleanroom2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[10,44,40],"tags":[],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-742","post","type-post","status-publish","format-standard","hentry","category-learn","category-spacecraft","category-technology"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/742","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/comments?post=742"}],"version-history":[{"count":4,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/742\/revisions"}],"predecessor-version":[{"id":4659,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/posts\/742\/revisions\/4659"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/media?parent=742"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/categories?post=742"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/tags?post=742"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/panel?post=742"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/language?post=742"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/age?post=742"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/duration?post=742"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/resource_type?post=742"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/audience?post=742"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/fr\/wp-json\/wp\/v2\/wf_post_folders?post=742"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}