{"id":42,"date":"2025-04-09T15:51:25","date_gmt":"2025-04-09T15:51:25","guid":{"rendered":"https:\/\/likapk.com\/?p=42"},"modified":"2025-04-09T15:51:26","modified_gmt":"2025-04-09T15:51:26","slug":"ghost-satellites-the-hidden-mesh-of-abandoned-orbits","status":"publish","type":"post","link":"https:\/\/likapk.com\/cs\/ghost-satellites-the-hidden-mesh-of-abandoned-orbits\/42\/","title":{"rendered":"Duchovn\u00ed satelity: Skryt\u00e1 s\u00ed\u0165 opu\u0161t\u011bn\u00fdch ob\u011b\u017en\u00fdch drah"},"content":{"rendered":"

V tich\u00e9m vakuu vesm\u00edru je Zem\u011b obklopena nejen t\u0159pytiv\u00fdmi satelity a vesm\u00edrn\u00fdmi stanicemi, ale tak\u00e9 zapomenut\u00fdm souhv\u011bzd\u00edm kovov\u00fdch duch\u016f. To jsou ti... duchov\u00e9 satelity<\/em>\u2014opu\u0161t\u011bn\u00e9, vy\u0159azen\u00e9 z provozu nebo nefunk\u010dn\u00ed kosmick\u00e9 lod\u011b, kter\u00e9 se ti\u0161e a nekontrolovan\u011b pohybuj\u00ed po ob\u011b\u017en\u00e9 dr\u00e1ze.<\/p>\n\n\n\n

Vzestup orbit\u00e1ln\u00edho odpadu<\/strong><\/h2>\n\n\n\n

Od spu\u0161t\u011bn\u00ed Sputnik 1<\/strong> V roce 1957 byly do vesm\u00edru vysl\u00e1ny tis\u00edce um\u011bl\u00fdch dru\u017eic. Mnoh\u00e9 z nich slou\u017e\u00ed kl\u00ed\u010dov\u00fdm \u00fa\u010del\u016fm: komunikaci, pozorov\u00e1n\u00ed Zem\u011b, v\u011bdeck\u00e9mu pr\u016fzkumu a dal\u0161\u00edm. Ale co se stane, kdy\u017e jejich mise skon\u010d\u00ed?<\/p>\n\n\n\n

V mnoha p\u0159\u00edpadech nic.<\/p>\n\n\n\n

Dru\u017eice, kter\u00e9 vy\u010derpaly palivo, selhaly kv\u016fli technick\u00fdm chyb\u00e1m nebo byly jednodu\u0161e vy\u0159azeny z provozu, jsou \u010dasto ponech\u00e1ny na ob\u011b\u017en\u00e9 dr\u00e1ze. Tyto nereaguj\u00edc\u00ed objekty se st\u00e1vaj\u00ed sou\u010d\u00e1st\u00ed toho, co v\u011bdci dnes naz\u00fdvaj\u00ed orbit\u00e1ln\u00ed trosky<\/strong>\u2013 rychle rostouc\u00ed probl\u00e9m.<\/p>\n\n\n\n

Co jsou to ghost satelity?<\/strong><\/h2>\n\n\n\n

Duchovn\u00ed satelity jsou specifickou kategori\u00ed vesm\u00edrn\u00e9ho odpadu. Na rozd\u00edl od fragment\u016f z koliz\u00ed nebo \u010d\u00e1st\u00ed raket jsou duchov\u00e9 satelity \u010dasto neporu\u0161en\u00fd<\/strong> a rozpoznateln\u00fd<\/strong>. Kdysi slou\u017eily \u017eivotn\u011b d\u016fle\u017eit\u00fdm rol\u00edm, ale nyn\u00ed jsou poz\u016fstatky minul\u00fdch mis\u00ed, ob\u00edhaj\u00ed ti\u0161e a \u010dasto st\u00e1le vys\u00edlaj\u00ed slab\u00e9 sign\u00e1ly nebo odr\u00e1\u017eej\u00ed slune\u010dn\u00ed sv\u011btlo.<\/p>\n\n\n\n

Mezi p\u0159\u00edklady pat\u0159\u00ed:<\/p>\n\n\n\n

    \n
  • LES1<\/strong>Americk\u00e1 vojensk\u00e1 dru\u017eice z roku 1965, kter\u00e1 z\u00e1hadn\u011b obnovila vys\u00edl\u00e1n\u00ed v roce 2013 po desetilet\u00edch ticha.
    <\/li>\n\n\n\n
  • P\u0159edvoj 1<\/strong>Byla vypu\u0161t\u011bna v roce 1958, ji\u017e nen\u00ed v provozu, ale st\u00e1le ob\u00edh\u00e1 kolem Zem\u011b jako jeden z nejstar\u0161\u00edch objekt\u016f na ob\u011b\u017en\u00e9 dr\u00e1ze vytvo\u0159en\u00fdch \u010dlov\u011bkem.
    <\/li>\n<\/ul>\n\n\n\n

    Nebezpe\u010d\u00ed ve tm\u011b<\/strong><\/h2>\n\n\n\n

    A\u010dkoli jsou inertn\u00ed, duchov\u00e9 satelity p\u0159edstavuj\u00ed skute\u010dnou hrozbu. Ob\u00edhaj\u00ed rychlost\u00ed p\u0159esahuj\u00edc\u00ed 28 000 km\/h a i sr\u00e1\u017eka s mal\u00fdm objektem m\u016f\u017ee vytvo\u0159it tis\u00edce \u00falomk\u016f trosek. Tyto \u00falomky pak mohou spustit kask\u00e1du sr\u00e1\u017eek zn\u00e1m\u00fdch jako Kessler\u016fv syndrom<\/strong>\u2014\u0159et\u011bzov\u00e1 reakce, kter\u00e1 by mohla ur\u010dit\u00e9 ob\u011b\u017en\u00e9 dr\u00e1hy znemo\u017enit pou\u017eit\u00ed po cel\u00e1 desetilet\u00ed.<\/p>\n\n\n\n

    Sledov\u00e1n\u00ed satelit\u016f tak\u00e9 komplikuj\u00ed tzv. \u201educhov\u00e9\u201c satelity. N\u011bkter\u00e9 se nep\u0159edv\u00eddateln\u011b pohybuj\u00ed a m\u00edrn\u011b m\u011bn\u00ed orientaci nebo ob\u011b\u017enou dr\u00e1hu v d\u016fsledku gravita\u010dn\u00edch sil nebo tlaku slune\u010dn\u00edho z\u00e1\u0159en\u00ed, co\u017e zt\u011b\u017euje jejich monitorov\u00e1n\u00ed.<\/p>\n\n\n\n

    S\u00ed\u0165 st\u00edn\u016f<\/strong><\/h2>\n\n\n\n

    S v\u00edce ne\u017e 3 000 nefunk\u010dn\u00edch satelit\u016f<\/strong> V sou\u010dasn\u00e9 dob\u011b (podle posledn\u00edch odhad\u016f) se obloha nad Zem\u00ed nach\u00e1z\u00ed na ob\u011b\u017en\u00e9 dr\u00e1ze a tvo\u0159\u00ed spletitou s\u00ed\u0165 aktivn\u00edch a neaktivn\u00edch mechanism\u016f. Tato skryt\u00e1 s\u00ed\u0165 spir\u00e1ln\u00edch satelit\u016f se \u010dasto skr\u00fdv\u00e1 na geostacion\u00e1rn\u00edch drah\u00e1ch, kde objekty mohou z\u016fstat tis\u00edce let.<\/p>\n\n\n\n

    Na rozd\u00edl od n\u00edzk\u00e9 ob\u011b\u017en\u00e9 dr\u00e1hy Zem\u011b (LEO), kde atmosf\u00e9rick\u00fd odpor m\u016f\u017ee nakonec strhnout trosky dol\u016f a sho\u0159et, vy\u0161\u0161\u00ed ob\u011b\u017en\u00e9 dr\u00e1hy funguj\u00ed jako dlouhodob\u00e9 h\u0159bitovy. N\u011bkter\u00e9 vesm\u00edrn\u00e9 agentury prov\u00e1d\u011bj\u00ed man\u00e9vry na konci \u017eivotnosti<\/em>, \u010d\u00edm\u017e se star\u00e9 satelity vypou\u0161t\u011bj\u00ed na \u201ch\u0159bitovn\u00ed ob\u011b\u017en\u00e9 dr\u00e1hy\u201d, ale mnoho star\u0161\u00edch satelit\u016f tuto schopnost postr\u00e1d\u00e1.<\/p>\n\n\n\n

    Sm\u011brem k \u010dist\u0161\u00ed obloze<\/strong><\/h2>\n\n\n\n

    Vesm\u00edrn\u00fd pr\u016fmysl za\u010d\u00edn\u00e1 reagovat. Mezi n\u00e1pady, jak uklidit orbit\u00e1ln\u00ed trosky a spir\u00e1ln\u00ed satelity, pat\u0159\u00ed:<\/p>\n\n\n\n

      \n
    • Harpuny a s\u00edt\u011b<\/strong>Syst\u00e9my fyzick\u00e9ho zachycen\u00ed ur\u010den\u00e9 k zachycen\u00ed opu\u0161t\u011bn\u00fdch satelit\u016f.
      <\/li>\n\n\n\n
    • Laserov\u00e9 po\u0161\u0165ouch\u00e1n\u00ed<\/strong>Pozemn\u00ed lasery pro p\u0159esun trosek na rozpadaj\u00edc\u00ed se ob\u011b\u017en\u00e9 dr\u00e1hy.
      <\/li>\n\n\n\n
    • Magnetick\u00e9 remork\u00e9ry<\/strong>Mal\u00e9, obratn\u00e9 satelity, kter\u00e9 se mohou p\u0159ipojit k star\u00fdm kosmick\u00fdm lod\u00edm a sv\u00e9st je z ob\u011b\u017en\u00e9 dr\u00e1hy.
      <\/li>\n<\/ul>\n\n\n\n

      Mezit\u00edm organizace jako ESA<\/strong> a NASA<\/strong> udr\u017eovat detailn\u00ed sledovac\u00ed syst\u00e9my pro monitorov\u00e1n\u00ed virtu\u00e1ln\u00edch satelit\u016f a prevenci sr\u00e1\u017eek.<\/p>\n\n\n\n

      Z\u00e1v\u011br<\/strong><\/h2>\n\n\n\n

      Duchovn\u00ed satelity slou\u017e\u00ed jako stra\u0161ideln\u00e1 p\u0159ipom\u00ednka odkazu vesm\u00edrn\u00e9ho v\u00fdzkumu \u2013 jak jeho triumf\u016f, tak i jeho p\u0159ehl\u00e9dnut\u00ed. S t\u00edm, jak roz\u0161i\u0159ujeme dosah lidstva na ob\u011b\u017enou dr\u00e1hu i za ni, se \u0159e\u0161en\u00ed skryt\u00e9 s\u00edt\u011b opu\u0161t\u011bn\u00fdch drah nest\u00e1v\u00e1 jen technickou v\u00fdzvou, ale i mor\u00e1ln\u00edm imperativem.<\/p>\n\n\n\n

      V tichu vesm\u00edru se tyto kovov\u00e9 p\u0159\u00edzraky nekone\u010dn\u011b vzn\u00e1\u0161ej\u00ed, \u0161eptaj\u00ed p\u0159\u00edb\u011bhy minulosti \u2013 a varuj\u00ed n\u00e1s p\u0159ed budoucnost\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

      In the silent vacuum of space, Earth is surrounded not only by gleaming satellites and space stations but also by […]<\/p>\n","protected":false},"author":1,"featured_media":43,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[2],"tags":[],"class_list":["post-42","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/posts\/42","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/comments?post=42"}],"version-history":[{"count":1,"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/posts\/42\/revisions"}],"predecessor-version":[{"id":44,"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/posts\/42\/revisions\/44"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/media\/43"}],"wp:attachment":[{"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/media?parent=42"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/categories?post=42"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/likapk.com\/cs\/wp-json\/wp\/v2\/tags?post=42"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}