{"id":3941,"date":"2022-01-15T16:17:23","date_gmt":"2022-01-15T19:17:23","guid":{"rendered":"http:\/\/www.bramonmeteor.org\/bramon\/?p=3941"},"modified":"2022-01-15T21:02:25","modified_gmt":"2022-01-16T00:02:25","slug":"bolido-ilumina-a-noite-no-triangulo-mineiro","status":"publish","type":"post","link":"http:\/\/www.bramonmeteor.org\/bramon\/bolido-ilumina-a-noite-no-triangulo-mineiro\/","title":{"rendered":"B\u00f3lido ilumina a noite no Tri\u00e2ngulo Mineiro"},"content":{"rendered":"<p>Um grande b\u00f3lido cortou o c\u00e9u de Minas na noite desta sexta (14) e foi registrado em pelo menos 4 estados. Os relatos, vindos principalmente da regi\u00e3o do Tri\u00e2ngulo Mineiro, informam que a bola de fogo cruzou o c\u00e9u vindo do oeste e iluminou a noite por alguns segundos. Al\u00e9m de diversas c\u00e2meras de vigil\u00e2ncia, a passagem do meteoro pela atmosfera foi registrada por c\u00e2meras da BRAMON e do Clima ao Vivo de Minas Gerais, S\u00e3o Paulo, Goi\u00e1s e Distrito Federal. Confira nas imagens abaixo:<\/p>\n<p><iframe title=\"Fabuloso meteoro cruza o c\u00e9u de MG, SP e GO - 14\/01\/22\" width=\"854\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/Kj2L9eOdkRM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><span style=\"font-weight: 400;\">Segundo a BRAMON, a Rede Brasileira de Observa\u00e7\u00e3o de Meteoros, o fen\u00f4meno ocorrido \u00e0s 20:53 (hor\u00e1rio de Bras\u00edlia) desta sexta, 14 de janeiro, trata-se de um b\u00f3lido, ou seja, um meteoro muito luminoso. Os meteoros s\u00e3o fen\u00f4menos luminosos que ocorrem quando um peda\u00e7o de rocha espacial atravessa a atmosfera da Terra. Como esses objetos viajam a alt\u00edssimas velocidades, quanto atingem nossa atmosfera, acabam comprimindo e aquecendo os gases \u00e0 sua frente, e esse aquecimento cria uma bolha de plasma que brilha intensamente em torno da rocha. Parece como uma bola de fogo atravessando o c\u00e9u.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ap\u00f3s a an\u00e1lise dos v\u00eddeos, a BRAMON concluiu que a rocha espacial atingiu a atmosfera da Terra em um \u00e2ngulo de 38,6\u00b0, em rela\u00e7\u00e3o ao solo, e come\u00e7ou a brilhar a 86,6 km de altitude sobre a zona rural de Uberl\u00e2ndia. Seguiu a 43,7 mil km\/h, percorrendo 109,3 km em 9,0 segundos, e desapareceu a 18,3 km de altitude, entre os munic\u00edpios de Perdizes e Arax\u00e1, MG. Alguns relatos vindos dessa regi\u00e3o do Tri\u00e2ngulo Mineiro, s\u00e3o de pessoas que informaram ter ouvido barulho de explos\u00e3o e sentido paredes e janelas tremendo. Isso \u00e9 um forte ind\u00edcio que a rocha pode ter gerado meteoritos, que s\u00e3o os fragmentos de rocha espacial que resiste \u00e0 passagem atmosf\u00e9rica e atingem o solo. <\/span><\/p>\n<div id=\"attachment_3942\" style=\"width: 864px\" class=\"wp-caption aligncenter\"><img aria-describedby=\"caption-attachment-3942\" data-attachment-id=\"3942\" data-permalink=\"http:\/\/www.bramonmeteor.org\/bramon\/bolido-ilumina-a-noite-no-triangulo-mineiro\/mapa3d001-8\/\" data-orig-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?fit=1853%2C865\" data-orig-size=\"1853,865\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Trajet\u00f3ria do meteoro pela atmosfera &#8211; Cr\u00e9ditos: BRAMON\" data-image-description=\"&lt;p&gt;Trajet\u00f3ria do meteoro pela atmosfera &#8211; Cr\u00e9ditos: BRAMON&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?fit=300%2C140\" data-large-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?fit=854%2C399\" loading=\"lazy\" class=\"size-large wp-image-3942\" src=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?resize=854%2C399\" alt=\"Trajet\u00f3ria do meteoro pela atmosfera - Cr\u00e9ditos: BRAMON\" width=\"854\" height=\"399\" srcset=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?resize=1024%2C478 1024w, https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?resize=300%2C140 300w, https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?resize=768%2C359 768w, https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?resize=1536%2C717 1536w, https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?w=1853 1853w, https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/mapa3d001.jpg?w=1708 1708w\" sizes=\"(max-width: 854px) 100vw, 854px\" data-recalc-dims=\"1\" \/><p id=\"caption-attachment-3942\" class=\"wp-caption-text\">Figura 1. Trajet\u00f3ria do meteoro pela atmosfera &#8211; Cr\u00e9ditos: BRAMON<\/p><\/div>\n<p><span style=\"font-weight: 400;\">O barulho e os tremores s\u00e3o efeitos da onda de choque gerada quando o meteoro atinge as camadas mais baixas e densas da atmosfera, quando a resist\u00eancia do ar \u00e9 t\u00e3o intensa que acaba fragmentando completamente a rocha.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A BRAMON ainda trabalha nos c\u00e1lculos para determina\u00e7\u00e3o do tamanho do objeto e da \u00e1rea de dispers\u00e3o dos poss\u00edveis meteoritos. A rede pede que aqueles que tem registros ou que observaram a passagem do meteoro, que mandem seus relatos atrav\u00e9s do formul\u00e1rio <\/span><a href=\"http:\/\/bramon.imo.net\"><span style=\"font-weight: 400;\">bramon.imo.net<\/span><\/a><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p>Dados orbitais:<\/p>\n<p><strong>Longitude Solar:<\/strong> 294.622406<\/p>\n<p><strong>Ascens\u00e3o Reta:<\/strong> 60.470478<\/p>\n<p><strong>Declina\u00e7\u00e3o:<\/strong> -0.869181\u00ba<\/p>\n<p><strong>Vg:<\/strong> 9.669282 Km\/s<\/p>\n<p><strong>a:<\/strong> 3.297053 AU<\/p>\n<p><strong>q:<\/strong> 0.974122 AU<\/p>\n<p><strong>e:<\/strong> 0.704548<\/p>\n<p><strong>i:<\/strong> 3.324326\u00ba<\/p>\n<p><strong>Peri:<\/strong> 12.398511\u00ba<\/p>\n<p><strong>Node:<\/strong> 114.620659\u00ba<\/p>\n<p><strong>Tj:<\/strong> 2.70<\/p>\n<p><strong>M:<\/strong> 1.5345069395201176<\/p>\n<p style=\"text-align: center;\"><img data-attachment-id=\"3952\" data-permalink=\"http:\/\/www.bramonmeteor.org\/bramon\/bolido-ilumina-a-noite-no-triangulo-mineiro\/orbita-7\/\" data-orig-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/orbita.png?fit=1000%2C753\" data-orig-size=\"1000,753\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"orbita\" data-image-description=\"\" data-medium-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/orbita.png?fit=300%2C226\" data-large-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/orbita.png?fit=854%2C643\" loading=\"lazy\" class=\"alignnone  wp-image-3952\" src=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/orbita.png?resize=477%2C359\" alt=\"\" width=\"477\" height=\"359\" srcset=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/orbita.png?w=1000 1000w, https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/orbita.png?resize=300%2C226 300w, https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/orbita.png?resize=768%2C578 768w\" sizes=\"(max-width: 477px) 100vw, 477px\" data-recalc-dims=\"1\" \/><\/p>\n<p style=\"text-align: center;\">Figura 2. Vis\u00e3o de topo do Sistema Solar mostrando a \u00f3rbita do meteoroide que gerou o meteoro de Minas.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img data-attachment-id=\"3950\" data-permalink=\"http:\/\/www.bramonmeteor.org\/bramon\/bolido-ilumina-a-noite-no-triangulo-mineiro\/moid\/\" data-orig-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/MOID.png?fit=725%2C337\" data-orig-size=\"725,337\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"MOID\" data-image-description=\"\" data-medium-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/MOID.png?fit=300%2C139\" data-large-file=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/MOID.png?fit=725%2C337\" loading=\"lazy\" class=\"alignnone size-full wp-image-3950\" src=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/MOID.png?resize=725%2C337\" alt=\"\" width=\"725\" height=\"337\" srcset=\"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/MOID.png?w=725 725w, https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/MOID.png?resize=300%2C139 300w\" sizes=\"(max-width: 725px) 100vw, 725px\" data-recalc-dims=\"1\" \/><\/p>\n<p style=\"text-align: center;\">Figura 3. Evolu\u00e7\u00e3o do MOID do meteoroide nos \u00faltimos 2000 anos.<\/p>\n<p>Na Figura 3 temos o gr\u00e1fico de evolu\u00e7\u00e3o do MOID (Minimum Orbit Intersection Distance) que \u00e9 a m\u00ednima dist\u00e2ncia de interse\u00e7\u00e3o orbital. \u00c9 poss\u00edvel perceber que por volta de mil anos atr\u00e1s, a m\u00ednima dist\u00e2ncia entre o meteoroide e a Terra era muito alta, coisa de mais de 100.000.000 km. Mas sucessivas aproxima\u00e7\u00f5es com J\u00fapiter foram mudando os elementos orbitais e aproximando cada vez mais o meteoroide de Terra. At\u00e9 que nos \u00faltimos 500 anos, o mesmo teve per\u00edodos alternados de aproxima\u00e7\u00e3o e leve distanciamento. Isso aconteceu por conta de desvios orbitais combinados de J\u00fapiter e Marte.<\/p>\n<p>&nbsp;<\/p>\n<p>Assim que houverem atualiza\u00e7\u00f5es nesses dados, informaremos por aqui.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<div class=\"wpm_excerpt clearfix\"><p>Um grande b\u00f3lido cortou o c\u00e9u de Minas na noite desta sexta&hellip;<\/p>\n<\/div>","protected":false},"author":35,"featured_media":3943,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":""},"categories":[126,4],"tags":[280,125,278,279,83,84,85],"jetpack_featured_media_url":"https:\/\/i1.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2022\/01\/M20220114_235344_IDS_2P.jpg?fit=1280%2C720","jetpack_publicize_connections":[],"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts\/3941"}],"collection":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/users\/35"}],"replies":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/comments?post=3941"}],"version-history":[{"count":7,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts\/3941\/revisions"}],"predecessor-version":[{"id":3953,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts\/3941\/revisions\/3953"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/media\/3943"}],"wp:attachment":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/media?parent=3941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/categories?post=3941"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/tags?post=3941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}