{"id":142209,"date":"2024-07-24T12:27:01","date_gmt":"2024-07-24T10:27:01","guid":{"rendered":"https:\/\/sftarticles.wpenginepowered.com\/es\/?p=336598"},"modified":"2025-06-12T10:49:07","modified_gmt":"2025-06-12T09:49:07","slug":"il-y-a-deja-tellement-de-satellites-starlink-dans-le-ciel-quils-doivent-effectuer-des-milliers-de-manoeuvres-pour-eviter-les-collisions","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/fr\/il-y-a-deja-tellement-de-satellites-starlink-dans-le-ciel-quils-doivent-effectuer-des-milliers-de-manoeuvres-pour-eviter-les-collisions\/","title":{"rendered":"Il y a d\u00e9j\u00e0 tellement de satellites Starlink dans le ciel qu&#8217;ils doivent effectuer des milliers de man\u0153uvres pour \u00e9viter les collisions"},"content":{"rendered":"\n<p>Les satellites de la m\u00e9ga-constellation <strong>Starlink<\/strong> de <strong>SpaceX<\/strong> ont effectu\u00e9 <strong>pr\u00e8s de 50 000 man\u0153uvres pour \u00e9viter les collisions au cours des six derniers mois<\/strong>, soit pr\u00e8s du double de celles effectu\u00e9es au semestre pr\u00e9c\u00e9dent. Cette augmentation souligne la forte augmentation du trafic orbital ces derni\u00e8res ann\u00e9es et suscite une grande pr\u00e9occupation parmi les experts, face \u00e0 <strong>la possibilit\u00e9 que les satellites entrent en collision avec d&#8217;autres objets<\/strong>.<\/p>\n\n\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/2cddcc48-a4d6-11e6-88af-00163ec9f5fa\/3678680588\/nasa-app-logo\" alt=\"Application NASA\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">Application NASA<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/nasa-app.fr.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\">T\u00c9L\u00c9CHARGER<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        \r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/nasa-app.fr.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p><strong><a href=\"https:\/\/www.space.com\/spacex-starlink-50000-collision-avoidance-maneuvers-space-safety\" target=\"_blank\" rel=\"noopener nofollow\" title=\"\">Space.com<\/a><\/strong> a relay\u00e9 les donn\u00e9es du dernier <strong>Rapport semestriel sur l&#8217;\u00e9tat de la constellation<\/strong>, pr\u00e9sent\u00e9 par SpaceX \u00e0 la <strong>Commission f\u00e9d\u00e9rale des communications<\/strong> (FCC) des \u00c9tats-Unis le 1er juillet, qui r\u00e9v\u00e8le que <strong>chaque satellite Starlink a activ\u00e9 ses propulseurs en moyenne 14 fois entre le 1er d\u00e9cembre 2023 et le 31 mai 2024<\/strong> pour \u00e9viter d&#8217;autres objets en orbite. Au cours de cette p\u00e9riode, la constellation est pass\u00e9e de 5 100 \u00e0 6 200 satellites op\u00e9rationnels.<\/p>\n\n\n\n<p>SpaceX a \u00e9galement r\u00e9duit le seuil de man\u0153uvre de ses satellites, <strong>agissant maintenant en cas de risque de collision d&#8217;une sur un million<\/strong>, un seuil 100 fois inf\u00e9rieur \u00e0 la norme du secteur. Depuis le d\u00e9ploiement de Starlink en mai 2019, la m\u00e9ga-constellation a ouvert une nouvelle \u00e8re dans le trafic orbital, o\u00f9 les man\u0153uvres d&#8217;\u00e9vitement sont devenues une n\u00e9cessit\u00e9 quotidienne.<\/p>\n\n\n\n<p><strong>Hugh Lewis<\/strong>, professeur d&#8217;astronautique \u00e0 l&#8217;Universit\u00e9 de Southampton, attribue la r\u00e9cente augmentation des man\u0153uvres d&#8217;\u00e9vitement \u00e0 la <strong>r\u00e9duction du seuil de man\u0153uvre<\/strong>. \u00ab Les satellites Starlink auraient effectu\u00e9 environ 25 000 man\u0153uvres entre le 1er d\u00e9cembre 2023 et le 31 mai 2024, si le seuil \u00e9tait rest\u00e9 le m\u00eame \u00bb, a d\u00e9clar\u00e9 Lewis. Ce chiffre correspond aux semestres pr\u00e9c\u00e9dents, malgr\u00e9 l&#8217;augmentation du nombre de satellites.<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Starlink Satellites in the Night Sky\" width=\"840\" height=\"473\" src=\"https:\/\/www.youtube.com\/embed\/k8OxL4twwrU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>Les satellites Starlink <strong>utilisent l&#8217;intelligence artificielle \u00e0 bord pour prendre des d\u00e9cisions autonomes d&#8217;\u00e9vitement<\/strong>. Cependant, cette augmentation des man\u0153uvres peut avoir un impact n\u00e9gatif sur les pr\u00e9dictions de futures collisions, selon une \u00e9tude du <strong>Centre des Op\u00e9rations Spatiales Commerciales<\/strong> (COMSPOC). De plus, plus les satellites effectuent de man\u0153uvres, plus ils consomment rapidement leur propulseur, r\u00e9duisant ainsi leur dur\u00e9e de vie. SpaceX a une politique de z\u00e9ro d\u00e9chet, en d\u00e9sorbitant les satellites en fin de vie op\u00e9rationnelle, et pendant la p\u00e9riode de six mois, un seul satellite n&#8217;a pas r\u00e9ussi \u00e0 se d\u00e9sorbiter correctement.<\/p>\n\n\n\n<p>La construction de la m\u00e9ga-constellation Starlink se poursuit, avec des plans pour atteindre 42 000 satellites. Lewis pr\u00e9dit que les man\u0153uvres d&#8217;\u00e9vitement continueront d&#8217;augmenter et <strong>atteindront 80 000 par semestre en 2027<\/strong>.<\/p>\n\n\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/2cddcc48-a4d6-11e6-88af-00163ec9f5fa\/3678680588\/nasa-app-logo\" alt=\"Application NASA\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">Application NASA<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/nasa-app.fr.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\">T\u00c9L\u00c9CHARGER<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        \r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/nasa-app.fr.softonic.com\/android\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les satellites de la m\u00e9ga-constellation Starlink de SpaceX ont effectu\u00e9 pr\u00e8s de 50 000 man\u0153uvres pour \u00e9viter les collisions au cours des six derniers mois, soit pr\u00e8s du double de celles effectu\u00e9es au semestre pr\u00e9c\u00e9dent. Cette augmentation souligne la forte augmentation du trafic orbital ces derni\u00e8res ann\u00e9es et suscite une grande pr\u00e9occupation parmi les experts, &hellip; <a href=\"https:\/\/cms-articles.softonic.io\/fr\/il-y-a-deja-tellement-de-satellites-starlink-dans-le-ciel-quils-doivent-effectuer-des-milliers-de-manoeuvres-pour-eviter-les-collisions\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Il y a d\u00e9j\u00e0 tellement de satellites Starlink dans le ciel qu&#8217;ils doivent effectuer des milliers de man\u0153uvres pour \u00e9viter les collisions&#8221;<\/span><\/a><\/p>\n","protected":false},"author":9256,"featured_media":142211,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":1},"categories":[16761],"tags":[17024],"usertag":[],"vertical":[],"content-category":[],"class_list":["post-142209","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-app-subdomain-redirectionnasa-app"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/142209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/users\/9256"}],"replies":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/comments?post=142209"}],"version-history":[{"count":1,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/142209\/revisions"}],"predecessor-version":[{"id":160709,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/posts\/142209\/revisions\/160709"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/media\/142211"}],"wp:attachment":[{"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/media?parent=142209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/categories?post=142209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/tags?post=142209"},{"taxonomy":"usertag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/usertag?post=142209"},{"taxonomy":"vertical","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/vertical?post=142209"},{"taxonomy":"content-category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/fr\/wp-json\/wp\/v2\/content-category?post=142209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}