{"id":2154,"date":"2025-01-04T10:46:46","date_gmt":"2025-01-04T10:46:46","guid":{"rendered":"https:\/\/www.zakryty.cz\/?page_id=2154"},"modified":"2025-01-04T11:10:07","modified_gmt":"2025-01-04T11:10:07","slug":"objev-mesice-planetky-1997-tr28","status":"publish","type":"page","link":"https:\/\/www.zakryty.cz\/index.php\/objevy\/objev-mesice-planetky-1997-tr28\/","title":{"rendered":"Objev m\u011bs\u00edce planetky 1997 TR28"},"content":{"rendered":"\n<p>23. ledna 2024 se d\u00edky m\u00e9mu pozorov\u00e1n\u00ed z Evropy a 2 pozorov\u00e1n\u00edm stejn\u00e9ho z\u00e1krytu hv\u011bzdy planetkou 1997 TR28 z Japonska poda\u0159ilo objevit m\u011bs\u00edc t\u00e9to planetky. Planetka \u010d\u00edslo 100624 s p\u0159edb\u011b\u017en\u00fdm ozna\u010den\u00edm 1997 TR28 byla objevena 6. \u0159\u00edjna 1997 na observato\u0159i La Silla v Chile (na p\u0159edobjevov\u00e9m sn\u00edmku z 12. 9. 1996 byla tak\u00e9 zaznamen\u00e1na). Planetka pat\u0159\u00ed do skupiny planetek <a href=\"https:\/\/cs.wikipedia.org\/wiki\/Troj%C3%A1n\" data-type=\"link\" data-id=\"https:\/\/cs.wikipedia.org\/wiki\/Troj%C3%A1n\" target=\"_blank\" rel=\"noreferrer noopener\">Jupiterov\u00fdch Trojan\u016f<\/a>, konkr\u00e9tn\u011b do skupiny &#8222;\u0158ek\u016f&#8220;. Tyto planetky se nach\u00e1zej\u00ed v okol\u00ed libra\u010dn\u00edho centra L4, ob\u00edhaj\u00ed po drah\u00e1ch podobn\u00fdch jako je dr\u00e1ha Jupiteru (&#8222;p\u0159edch\u00e1zej\u00ed&#8220; planetu o 60 stup\u0148\u016f na dr\u00e1ze kolem Slunce). M\u011bs\u00edc\u016f planetek je ji\u017e zn\u00e1mo <a href=\"https:\/\/www.johnstonsarchive.net\/astro\/asteroidmoons.html\" data-type=\"link\" data-id=\"https:\/\/www.johnstonsarchive.net\/astro\/asteroidmoons.html\" target=\"_blank\" rel=\"noreferrer noopener\">mnoho set<\/a>, av\u0161ak tento je teprve osm\u00fdm mezi planetkami typu Tr\u00f3jani Jupiteru.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Moje pozorov\u00e1n\u00ed s trv\u00e1n\u00edm z\u00e1krytu 0,74 s (chyby okam\u017eik\u016f vstupu i v\u00fdstupu \u010din\u00ed 0,02 s) zachycuje 10,9 km dlouhou t\u011btivu hlavn\u00edho t\u011blesa, kter\u00e9 m\u00e1m pr\u016fm\u011br p\u0159ibli\u017en\u011b 16 km. Masayuki Ishida a Yasukazu Ikari pozorovali z\u00e1kryt m\u011bs\u00edcem planetky v t\u011btiv\u00e1ch 3,2 resp. 2,3 km (trv\u00e1n\u00ed z\u00e1kryt\u016f 0,22 resp. 0,15 s). Z polohy t\u011btiv se usuzuje velikost m\u011bs\u00edce planetky na cca 4 km. Vzhledem k tot\u00e1ln\u00edmu zmizen\u00ed hv\u011bzdy u v\u0161ech pozorovatel\u016f a p\u0159\u00edtomnosti nejslab\u0161\u00edch hv\u011bzd na z\u00e1znamech o v\u00edce ne\u017e 1 mag slab\u0161\u00edch ne\u017e byla zakr\u00fdvan\u00e1 hv\u011bzda, a to jak z Japonska, tak z \u010cech, do\u0161lo k vylou\u010den\u00ed mo\u017enosti, \u017ee by se jednalo o pozorov\u00e1n\u00ed z\u00e1krytu dvojhv\u011bzdy. Z obr\u00e1zku je tak\u00e9 z\u0159ejm\u00e9, \u017ee se nem\u016f\u017ee jednat o jedno t\u011bleso, jeliko\u017e po p\u0159epo\u010dtu \u010das\u016f pro jedno m\u00edsto jsou profily obou t\u011bles posunut\u00e9. <\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"688\" height=\"688\" src=\"http:\/\/www.zakryty.cz\/wp-content\/uploads\/2025\/01\/100624-1997-TR28-2024-1-23.png\" alt=\"\" class=\"wp-image-2156\" srcset=\"https:\/\/www.zakryty.cz\/wp-content\/uploads\/2025\/01\/100624-1997-TR28-2024-1-23.png 688w, https:\/\/www.zakryty.cz\/wp-content\/uploads\/2025\/01\/100624-1997-TR28-2024-1-23-300x300.png 300w, https:\/\/www.zakryty.cz\/wp-content\/uploads\/2025\/01\/100624-1997-TR28-2024-1-23-150x150.png 150w, https:\/\/www.zakryty.cz\/wp-content\/uploads\/2025\/01\/100624-1997-TR28-2024-1-23-100x100.png 100w\" sizes=\"auto, (max-width: 688px) 100vw, 688px\" \/><\/figure>\n\n\n\n<p>Obr\u00e1zek zn\u00e1zor\u0148uje profil planetky 1997 TR28 a jej\u00edho m\u011bs\u00edce p\u0159i z\u00e1krytu dne 23. ledna 2024. T\u011btivy pozorovatel\u016f jsou ozna\u010deny takto: 1 &#8211; Masayuki Ishida, 2 &#8211; Yasukazu Ikari, 3 &#8211; Ji\u0159\u00ed Kub\u00e1nek. Vygenerov\u00e1no programem Occult, autor obr\u00e1zku i programu: Dave Herald (AU).<\/p>\n\n\n\n<p>Ozn\u00e1men\u00ed objevu lze nal\u00e9zt v <a href=\"http:\/\/www.cbat.eps.harvard.edu\/iau\/cbet\/005300\/CBET005388.txt\" data-type=\"link\" data-id=\"http:\/\/www.cbat.eps.harvard.edu\/iau\/cbet\/005300\/CBET005388.txt\">Central Bureau for Astronomical Telegrams<\/a>. Dal\u0161\u00ed informace o planetce a jej\u00edm m\u011bs\u00edci jsou v <a href=\"https:\/\/www.johnstonsarchive.net\/astro\/astmoons\/am-100624.html\" data-type=\"link\" data-id=\"https:\/\/www.johnstonsarchive.net\/astro\/astmoons\/am-100624.html\" target=\"_blank\" rel=\"noreferrer noopener\">Johnstonov\u011b arch\u00edvu<\/a>. Simulaci dr\u00e1hy planetky lze zobrazit v <a href=\"https:\/\/ssd.jpl.nasa.gov\/tools\/sbdb_lookup.html#\/?sstr=100624&amp;view=VOSPDA\" data-type=\"link\" data-id=\"https:\/\/ssd.jpl.nasa.gov\/tools\/sbdb_lookup.html#\/?sstr=100624&amp;view=VOSPDA\" target=\"_blank\" rel=\"noreferrer noopener\">JPL<\/a>.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>23. ledna 2024 se d\u00edky m\u00e9mu pozorov\u00e1n\u00ed z Evropy a 2 pozorov\u00e1n\u00edm stejn\u00e9ho z\u00e1krytu hv\u011bzdy planetkou 1997 TR28 z Japonska poda\u0159ilo objevit m\u011bs\u00edc t\u00e9to planetky. Planetka \u010d\u00edslo 100624 s p\u0159edb\u011b\u017en\u00fdm ozna\u010den\u00edm 1997 TR28 byla objevena 6. \u0159\u00edjna 1997 na observato\u0159i La Silla v Chile (na p\u0159edobjevov\u00e9m sn\u00edmku z 12. 9. 1996 byla tak\u00e9 zaznamen\u00e1na). Planetka &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.zakryty.cz\/index.php\/objevy\/objev-mesice-planetky-1997-tr28\/\" class=\"more-link\">Pokra\u010dovat ve \u010dten\u00ed<span class=\"screen-reader-text\"> &#8222;Objev m\u011bs\u00edce planetky 1997 TR28&#8220;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2163,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2154","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/pages\/2154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/comments?post=2154"}],"version-history":[{"count":4,"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/pages\/2154\/revisions"}],"predecessor-version":[{"id":2181,"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/pages\/2154\/revisions\/2181"}],"up":[{"embeddable":true,"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/pages\/2163"}],"wp:attachment":[{"href":"https:\/\/www.zakryty.cz\/index.php\/wp-json\/wp\/v2\/media?parent=2154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}