{"id":13951,"date":"2023-01-26T08:50:20","date_gmt":"2023-01-26T07:50:20","guid":{"rendered":"https:\/\/www.mdscc.nasa.gov\/?p=13951"},"modified":"2023-01-26T08:50:22","modified_gmt":"2023-01-26T07:50:22","slug":"la-nasa-predice-que-un-pequeno-asteroide-pasara-cerca-de-la-tierra-esta-semana","status":"publish","type":"post","link":"https:\/\/www.mdscc.nasa.gov\/index.php\/2023\/01\/26\/la-nasa-predice-que-un-pequeno-asteroide-pasara-cerca-de-la-tierra-esta-semana\/","title":{"rendered":"La NASA predice que un peque\u00f1o asteroide pasar\u00e1 cerca de la Tierra esta semana"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El asteroide 2023 BU tiene aproximadamente el tama\u00f1o de un cami\u00f3n y se prev\u00e9 que haga una de las aproximaciones m\u00e1s cercanas de un objeto cercano a la Tierra jam\u00e1s registrado.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hoy jueves 26 de enero, un peque\u00f1o asteroide cercano a la Tierra tendr\u00e1 un encuentro muy pr\u00f3ximo a nuestro planeta. Designado como BU 2023, el asteroide se acercar\u00e1 al extremo sur de Am\u00e9rica del Sur alrededor de las 4:27 p.m. PST (7:27 p. m. EST) a solo 3.600 kil\u00f3metros sobre la superficie del planeta y dentro de la \u00f3rbita de los sat\u00e9lites geosincr\u00f3nicos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">No hay riesgo de que el asteroide impacte contra la Tierra. Pero incluso si lo hiciera, este peque\u00f1o asteroide, estimado en 3,5 a 8,5 metros de ancho, se convertir\u00eda en una bola de fuego y se desintegrar\u00eda en gran medida sin causar da\u00f1o en la atm\u00f3sfera, y algunos de los escombros m\u00e1s grandes podr\u00edan caer como peque\u00f1os meteoritos.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"https:\/\/www.nasa.gov\/sites\/default\/files\/styles\/full_width\/public\/thumbnails\/image\/2_2023bu-orbits-1041.jpg?itok=WZ51TgY4\" alt=\"\"\/><figcaption class=\"wp-element-caption\"><em>Esta vista del sistema Scout de la NASA muestra la desviaci\u00f3n de la trayectoria del asteroide 2023 BU, en rojo, causada por la gravedad de la Tierra. La \u00f3rbita de los sat\u00e9lites geos\u00edncronos se muestra en verde y la \u00f3rbita de la Luna se representa con un \u00f3valo gris.<br>Cr\u00e9ditos: NASA\/JPL-Caltech.<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">El asteroide fue descubierto por el astr\u00f3nomo aficionado Gennadiy Borisov, descubridor del <a href=\"https:\/\/www.jpl.nasa.gov\/news\/newly-discovered-comet-is-likely-interstellar-visitor\">cometa interestelar<\/a> 2I\/Borisov, desde su observatorio MARGO en Nauchnyi (Crimea), el s\u00e1bado 21 de enero. Se informaron de m\u00e1s observaciones al Minor Planet Center (<a href=\"https:\/\/www.minorplanetcenter.net\/\">MPC<\/a>), el organismo internacional c\u00e1mara de compensaci\u00f3n reconocida para las mediciones de posici\u00f3n de peque\u00f1os cuerpos celestes, y los datos se publicaron autom\u00e1ticamente en la <a href=\"https:\/\/www.minorplanetcenter.net\/iau\/NEO\/toconfirm_tabular.html\">p\u00e1gina de confirmaci\u00f3n de objetos cercanos a la Tierra<\/a>. Despu\u00e9s de recopilar suficientes observaciones, el MPC <a href=\"https:\/\/www.minorplanetcenter.net\/mpec\/K23\/K23B72.html\">anunci\u00f3 el descubrimiento<\/a>. En tres d\u00edas, varios observatorios de todo el mundo hab\u00edan realizado docenas de observaciones, lo que ayud\u00f3 a los astr\u00f3nomos a refinar mejor la \u00f3rbita de 2023 BU.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El <a href=\"https:\/\/cneos.jpl.nasa.gov\/scout\/#\/\">sistema de evaluaci\u00f3n de riesgos de impacto Scout <\/a>de la NASA, que es mantenido por el Center for Near Earth Object Studies (<a href=\"https:\/\/cneos.jpl.nasa.gov\/\">CNEOS<\/a>) en el Jet Propulsion Laboratory de la agencia en el sur de California, analiz\u00f3 los datos de la p\u00e1gina de confirmaci\u00f3n del MPC y predijo r\u00e1pidamente el cuasi accidente. El CNEOS calcula todas las \u00f3rbitas conocidas de asteroides cercanos a la Tierra para proporcionar evaluaciones de los posibles riesgos de impacto en apoyo de la Planetary Defense Coordination Office (<a href=\"https:\/\/www.nasa.gov\/planetarydefense\/overview\">PDCO<\/a>) de la NASA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cScout r\u00e1pidamente descart\u00f3 2023 BU como un impactador, pero a pesar de las muy pocas observaciones, fue capaz de predecir que el asteroide se acercar\u00eda extraordinariamente a la Tierra\u201d, dijo Davide Farnocchia, ingeniero de navegaci\u00f3n en el JPL que desarroll\u00f3 Scout. \u00abDe hecho, este es uno de los acercamientos m\u00e1s pr\u00f3ximos de un objeto cercano a la Tierra conocido jam\u00e1s registrado\u00bb.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/eyes.nasa.gov\/apps\/asteroids\/#\/asteroids%E2%80%9D\">Eyes on Asteroids<\/a><\/strong> utiliza datos cient\u00edficos para ayudar a visualizar las \u00f3rbitas de asteroides y cometas alrededor del Sol. Ac\u00e9rcate para viajar junto con tu nave espacial favorita mientras exploran estos fascinantes objetos cercanos a la Tierra. <\/p>\n<cite>Cr\u00e9dito: NASA\/JPL-Caltech.<\/cite><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">Si bien cualquier asteroide en las proximidades de la Tierra experimentar\u00e1 un cambio en la trayectoria debido a la gravedad de nuestro planeta, 2023 BU se acercar\u00e1 tanto que se espera que su trayectoria alrededor del Sol se altere significativamente. Antes de encontrarse con la Tierra, la \u00f3rbita del asteroide alrededor del Sol era aproximadamente circular, acerc\u00e1ndose a la \u00f3rbita de la Tierra, y tardaba 359 d\u00edas en completar su \u00f3rbita alrededor del Sol. Despu\u00e9s de su encuentro, la \u00f3rbita del asteroide ser\u00e1 m\u00e1s alargada, movi\u00e9ndose aproximadamente a mitad de camino entre las \u00f3rbitas de la Tierra y Marte en su punto m\u00e1s alejado del Sol. El asteroide completar\u00e1 entonces una \u00f3rbita cada 425 d\u00edas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.nasa.gov\/feature\/jpl\/nasa-system-predicts-small-asteroid-to-pass-close-by-earth-this-week\">Noticia original (en ingl\u00e9s)<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Edici\u00f3n: R. Castro.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Este diagrama orbital del visor de acercamiento cercano de CNEOS muestra la trayectoria de 2023 BU, en rojo, durante su aproximaci\u00f3n a la Tierra, el 26 de enero de 2023. El asteroide pasar\u00e1 unas 10 veces m\u00e1s cerca de la Tierra que la \u00f3rbita de los sat\u00e9lites geosincr\u00f3nicos, que se muestran en la l\u00ednea verde.<br \/>\nCr\u00e9ditos: NASA\/JPL-Caltech.<\/p>\n","protected":false},"author":2,"featured_media":13952,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79,252],"tags":[],"class_list":["post-13951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","category-ultimas-noticias"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"Este diagrama orbital del visor de acercamiento cercano de CNEOS muestra la trayectoria de 2023 BU, en rojo, durante su aproximaci\u00f3n a la Tierra, el 26 de enero de 2023. El asteroide pasar\u00e1 unas 10 veces m\u00e1s cerca de la Tierra que la \u00f3rbita de los sat\u00e9lites geosincr\u00f3nicos, que se muestran en la l\u00ednea verde. 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El asteroide pasar\u00e1 unas 10 veces m\u00e1s cerca de la Tierra que la \u00f3rbita de los sat\u00e9lites geosincr\u00f3nicos, que se muestran en la l\u00ednea verde. 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El asteroide pasar\u00e1 unas 10 veces m\u00e1s cerca de la Tierra que la \u00f3rbita de los sat\u00e9lites geosincr\u00f3nicos, que se muestran en la l\u00ednea verde. 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