{"id":3793,"date":"2025-09-03T15:43:25","date_gmt":"2025-09-03T13:43:25","guid":{"rendered":"https:\/\/f6kmf.fr\/?p=3793"},"modified":"2025-09-11T18:00:05","modified_gmt":"2025-09-11T16:00:05","slug":"eirsat-1-va-bientot-rentrer-dans-latmosphere-terrestre","status":"publish","type":"post","link":"https:\/\/f6kmf.fr\/index.php\/2025\/09\/03\/eirsat-1-va-bientot-rentrer-dans-latmosphere-terrestre\/","title":{"rendered":"EIRSAT-1 va bient\u00f4t rentrer dans l\u2019atmosph\u00e8re terrestre !"},"content":{"rendered":"\n<p class=\"has-text-align-center has-white-color has-black-background-color has-text-color has-background has-link-color has-large-font-size wp-elements-07c5f0cb65f80f39a4bb1d48d10b19d6\"><strong>ERISAT-1 est rentr\u00e9 dans l&rsquo;atmosph\u00e8re le 4 septembre 2025<\/strong><\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#8dd2fc52\">Le tout premier&nbsp;<strong>satellite universitaire irlandais <a href=\"https:\/\/f6kmf.fr\/index.php\/2025\/07\/02\/quand-satellite-et-poesie-font-bon-menage\/\">EIRSAT-1<\/a>,<\/strong>&nbsp;est en orbite autour de notre plan\u00e8te depuis le 1 d\u00e9cembre 2023,&nbsp;ce jour 03\/03\/2025 il n&rsquo;est plus qu&rsquo;\u00e0 <strong>217 km de la terre<\/strong> contre plus de 400 km \u00e0 sa mise en orbite.<br><strong>Qui sera le dernier \u00e0 recevoir les donn\u00e9es de t\u00e9l\u00e9m\u00e9trie avant d\u00e9sint\u00e9gration ?<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"614\" height=\"345\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-5.png\" alt=\"\" class=\"wp-image-3794\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-5.png 614w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-5-300x169.png 300w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plus un satellite est bas, plus il rencontre de mol\u00e9cules d\u2019air.<\/strong><\/li>\n\n\n\n<li><strong>Ces collisions avec les mol\u00e9cules d\u2019air freinent le satellite.<\/strong><\/li>\n\n\n\n<li><strong>Perdant de la vitesse, le satellite est de plus en plus attir\u00e9 par la gravit\u00e9 terrestre.<\/strong><\/li>\n\n\n\n<li><strong>Il finit donc par tomber vers la Terre.<\/strong><\/li>\n\n\n\n<li><strong>La plupart des satellites br\u00fblent compl\u00e8tement dans l\u2019atmosph\u00e8re \u00e0 cause de la friction avec l\u2019air.<\/strong><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed 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=\"EIRSAT-1 va bient\u00f4t rentrer dans l\u2019atmosph\u00e8re terrestre !\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/LQ4NRRG_ips?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 class=\"has-background has-large-font-size\" style=\"background-color:#abb7c257\">En attendant le moment fatidique, le satellite continue d&rsquo;envoyer ses donn\u00e9es de t\u00e9l\u00e9m\u00e9trie (bulletin de sant\u00e9 !) mais \u00e9galement des messages \u00e0 l&rsquo;intention des radioamateurs du monde entier.<br>Ce jour, c&rsquo;est une citation d&rsquo;Oscar Wilde <strong>\u00ab Nous sommes tous dans le caniveau, mais certains d&rsquo;entre nous regardent les \u00e9toiles \u00bb.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"733\" height=\"214\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-7.png\" alt=\"\" class=\"wp-image-3796\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-7.png 733w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-7-300x88.png 300w\" sizes=\"auto, (max-width: 733px) 100vw, 733px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"733\" height=\"213\" src=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-6.png\" alt=\"\" class=\"wp-image-3795\" srcset=\"https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-6.png 733w, https:\/\/f6kmf.fr\/wp-content\/uploads\/2025\/09\/image-6-300x87.png 300w\" sizes=\"auto, (max-width: 733px) 100vw, 733px\" \/><\/figure>\n\n\n\n<p class=\"has-background has-medium-font-size\" style=\"background-color:#8dd2fc6e\"><strong>Pour plus d&rsquo;informations voir le pr\u00e9c\u00e9dent article <a href=\"https:\/\/f6kmf.fr\/index.php\/2025\/07\/02\/quand-satellite-et-poesie-font-bon-menage\/\">ICI <\/a><\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ERISAT-1 est rentr\u00e9 dans l&rsquo;atmosph\u00e8re le 4 septembre 2025 Le tout premier&nbsp;satellite universitaire irlandais EIRSAT-1,&nbsp;est en orbite autour de notre<\/p>\n","protected":false},"author":1,"featured_media":3794,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[6,8,75],"tags":[122,52,46,39],"class_list":["post-3793","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rtl-sdr","category-satellites","category-telemetrie","tag-eirsat-1","tag-radioamateur","tag-satellite","tag-satellites"],"_links":{"self":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/comments?post=3793"}],"version-history":[{"count":2,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3793\/revisions"}],"predecessor-version":[{"id":3806,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/posts\/3793\/revisions\/3806"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media\/3794"}],"wp:attachment":[{"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/media?parent=3793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/categories?post=3793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/f6kmf.fr\/index.php\/wp-json\/wp\/v2\/tags?post=3793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}