{"id":11240,"date":"2024-07-14T14:31:32","date_gmt":"2024-07-14T13:31:32","guid":{"rendered":"https:\/\/asal.dz\/?p=11240"},"modified":"2024-07-14T14:32:06","modified_gmt":"2024-07-14T13:32:06","slug":"apres-14-ans-en-orbite-le-satellite-algerien-alsat-2a-continue-a-fournir-des-images","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=11240","title":{"rendered":"Apr\u00e8s 14 ans en orbite, le satellite alg\u00e9rien Alsat-2A continue \u00e0 fournir des images"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-size: 14.0pt;\">ALSAT-2A, premier d\u2019une constellation de deux satellites, f\u00eate son quatorzi\u00e8me anniversaire. Con\u00e7u pour une dur\u00e9e de vie de cinq ans, il continue de fournir des images \u00e0 haute r\u00e9solution (2,5 m) depuis son orbite \u00e0 670 km, \u00e9voluant derri\u00e8re (en d\u00e9phasage) son jumeau ALSAT-2B lanc\u00e9 en 2016.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 14.0pt;\">En 2023, les ing\u00e9nieurs ont optimis\u00e9 l\u2019angle de rotation du satellite pour \u00e9viter l\u2019\u00e9blouissement du senseur stellaire, ce qui a permis de r\u00e9aliser des prises d\u2019images en conditions d\u2019\u00e9clairement id\u00e9ales. Gr\u00e2ce \u00e0 cette op\u00e9ration et malgr\u00e9 la d\u00e9rive de l\u2019heure locale solaire depuis fin 2022, le satellite continue \u00e0 remplir sa mission.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 14.0pt;\">En 14 ans, ALSAT-2A a effectu\u00e9 plus de 74 985 orbites, couvrant plus de trois milliards trois cents millions de kilom\u00e8tres, et fourni des centaines de milliers de sc\u00e8nes-images, dont pr\u00e8s de la moiti\u00e9 pour le d\u00e9veloppement durable national et africain.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: 14.0pt;\">Le syst\u00e8me ALSAT-2A reste op\u00e9rationnel gr\u00e2ce \u00e0 ses sous-syst\u00e8mes robustes et \u00e0 la gestion optimale des ing\u00e9nieurs de l\u2019ASAL depuis 2010. Les donn\u00e9es d\u2019ALSAT-2A sont utilis\u00e9es dans des projets nationaux importants, au service de divers secteurs \u00e9conomiques.<\/span><\/p>\n<p><a href=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-a.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-11244 size-full\" src=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-a.jpg\" alt=\"\" width=\"949\" height=\"734\" srcset=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-a.jpg 949w, https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-a-480x371.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 949px, 100vw\" \/><\/a><\/p>\n<p><a href=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-b.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-11246 size-full\" src=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-b.jpg\" alt=\"\" width=\"949\" height=\"734\" srcset=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-b.jpg 949w, https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-b-480x371.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 949px, 100vw\" \/><\/a><\/p>\n<p><a href=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-c.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-11248 size-full\" src=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-c.jpg\" alt=\"\" width=\"949\" height=\"734\" srcset=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-c.jpg 949w, https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-c-480x371.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 949px, 100vw\" \/><\/a><\/p>\n<p><a href=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-d.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-11250 size-full\" src=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-d.jpg\" alt=\"\" width=\"949\" height=\"734\" srcset=\"https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-d.jpg 949w, https:\/\/asal.dz\/wp-content\/uploads\/2024\/07\/14-07-2024-d-480x371.jpg 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 949px, 100vw\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ALSAT-2A, premier d\u2019une constellation de deux satellites, f\u00eate son quatorzi\u00e8me anniversaire. Con\u00e7u pour une dur\u00e9e de vie de cinq ans, il continue de fournir des images \u00e0 haute r\u00e9solution (2,5 m) depuis son orbite \u00e0 670 km, \u00e9voluant derri\u00e8re (en d\u00e9phasage) son jumeau ALSAT-2B lanc\u00e9 en 2016. En 2023, les ing\u00e9nieurs ont optimis\u00e9 l\u2019angle de [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9981,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[3],"tags":[],"class_list":["post-11240","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/11240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11240"}],"version-history":[{"count":4,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/11240\/revisions"}],"predecessor-version":[{"id":11252,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/11240\/revisions\/11252"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/media\/9981"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}