{"id":1905,"date":"2018-05-25T00:27:50","date_gmt":"2018-05-25T03:27:50","guid":{"rendered":"http:\/\/www.bramonmeteor.org\/bramon\/?p=1905"},"modified":"2020-07-29T20:35:34","modified_gmt":"2020-07-29T23:35:34","slug":"grande-bolido-sobre-sao-paulo","status":"publish","type":"post","link":"http:\/\/www.bramonmeteor.org\/bramon\/grande-bolido-sobre-sao-paulo\/","title":{"rendered":"V\u00eddeo + An\u00e1lise! Grande B\u00f3lido Sobre S\u00e3o Paulo"},"content":{"rendered":"<p>Grande b\u00f3lido observado sobre o estado de S\u00e3o Paulo.<\/p>\n<p>Recebemos, na noite dessa quinta feira, 24 de maio,\u00a0v\u00e1rios relatos a respeito de um grande b\u00f3lido explodindo sobre o estado de S\u00e3o Paulo.<br \/>\nAs esta\u00e7\u00f5es da BRAMON RCP1\/SP em Nhandeara administrada pelo Renato Poltronieri, a IDS2\/MG em Patos de Minas administrada pelo Ivan Soares e a BGS1\/SP em Jaguariuna administrada pelo Bruno Guitti registraram diretamente o b\u00f3lido.<\/p>\n<p><iframe title=\"Grande b\u00f3lido (meteoro) \u00e9 avistado sobre o estado de SP e MG - 24\/05\/2018 - Com explos\u00e3o!\" width=\"854\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/1v_Pi6MuoVo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<div class=\"tiled-gallery type-rectangular tiled-gallery-unresized\" data-original-width=\"854\" data-carousel-extra='{&quot;blog_id&quot;:1,&quot;permalink&quot;:&quot;http:\\\/\\\/www.bramonmeteor.org\\\/bramon\\\/grande-bolido-sobre-sao-paulo\\\/&quot;,&quot;likes_blog_id&quot;:167387043}' itemscope itemtype=\"http:\/\/schema.org\/ImageGallery\" > <div class=\"gallery-row\" style=\"width: 854px; height: 389px;\" data-original-width=\"854\" data-original-height=\"389\" > <div class=\"gallery-group images-1\" style=\"width: 581px; height: 389px;\" data-original-width=\"581\" data-original-height=\"389\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"http:\/\/www.bramonmeteor.org\/bramon\/m20180525_004154_bgs_1p\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"577\"> <meta itemprop=\"height\" content=\"385\"> <img data-attachment-id=\"1910\" data-orig-file=\"http:\/\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_BGS_1P.jpg\" data-orig-size=\"720,480\" data-comments-opened=\"\" 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=\"M20180525_004154_BGS_1P\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_BGS_1P.jpg?fit=300%2C200\" data-large-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_BGS_1P.jpg?fit=720%2C480\" src=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_BGS_1P.jpg?w=577&#038;h=385\" width=\"577\" height=\"385\" data-original-width=\"577\" data-original-height=\"385\" itemprop=\"http:\/\/schema.org\/image\" title=\"M20180525_004154_BGS_1P\" alt=\"M20180525_004154_BGS_1P\" style=\"width: 577px; height: 385px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <div class=\"gallery-group images-2\" style=\"width: 273px; height: 389px;\" data-original-width=\"273\" data-original-height=\"389\" > <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"http:\/\/www.bramonmeteor.org\/bramon\/m20180525_004154_ids_2p-2\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"269\"> <meta itemprop=\"height\" content=\"179\"> <img data-attachment-id=\"1911\" data-orig-file=\"http:\/\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_IDS_2P-1.jpg\" data-orig-size=\"720,480\" data-comments-opened=\"\" 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=\"M20180525_004154_IDS_2P\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_IDS_2P-1.jpg?fit=300%2C200\" data-large-file=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_IDS_2P-1.jpg?fit=720%2C480\" src=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_IDS_2P-1.jpg?w=269&#038;h=179\" width=\"269\" height=\"179\" data-original-width=\"269\" data-original-height=\"179\" itemprop=\"http:\/\/schema.org\/image\" title=\"M20180525_004154_IDS_2P\" alt=\"M20180525_004154_IDS_2P\" style=\"width: 269px; height: 179px;\" \/> <\/a> <\/div> <div class=\"tiled-gallery-item tiled-gallery-item-large\" itemprop=\"associatedMedia\" itemscope itemtype=\"http:\/\/schema.org\/ImageObject\"> <a href=\"http:\/\/www.bramonmeteor.org\/bramon\/m20180525_004154_rcp_1p-2\/\" border=\"0\" itemprop=\"url\"> <meta itemprop=\"width\" content=\"269\"> <meta itemprop=\"height\" content=\"202\"> <img data-attachment-id=\"1912\" data-orig-file=\"http:\/\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_RCP_1P-1.jpg\" data-orig-size=\"640,480\" data-comments-opened=\"\" 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=\"M20180525_004154_RCP_1P\" data-image-description=\"\" data-medium-file=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_RCP_1P-1.jpg?fit=300%2C225\" data-large-file=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_RCP_1P-1.jpg?fit=640%2C480\" src=\"https:\/\/i2.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_RCP_1P-1.jpg?w=269&#038;h=202\" width=\"269\" height=\"202\" data-original-width=\"269\" data-original-height=\"202\" itemprop=\"http:\/\/schema.org\/image\" title=\"M20180525_004154_RCP_1P\" alt=\"M20180525_004154_RCP_1P\" style=\"width: 269px; height: 202px;\" \/> <\/a> <\/div> <\/div> <!-- close group --> <\/div> <!-- close row --> <\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Outras 3 esta\u00e7\u00f5es registram tamb\u00e9m o clar\u00e3o gerado pela passagem atmosf\u00e9rica do meteoro, a ACD1\/SP em Rio Claro, administrada pelo Ant\u00f4nio Duarte, a OCA3\/SP em Bilac, administrada pelo Leonardo Amaral e a CAV1\/SP em Batatais, administrada pelo Ricardo Cavallini.<\/p>\n<p>Ap\u00f3s a an\u00e1lise inicial do meteoro, conclu\u00edmos que o objeto que gerou o meteoro visto em v\u00e1rias cidades do interior de S\u00e3o Paulo essa noite provavelmente tinha o tamanho de uma bola de gude, um pouco mais de 2 cent\u00edmetros de di\u00e2metro e 20 gramas de massa. Mas como pode um objeto t\u00e3o pequeno causar essa enorme bola de fogo que assustou os paulistas essa noite?<\/p>\n<p>Ocorre que o meteoro \u00e9 nada mais \u00e9 do que o fen\u00f4meno luminoso causado pela passagem de um fragmento rochoso em alt\u00edssima velocidade pela atmosfera. A atmosfera freia esse fragmento, e converte sua energia cin\u00e9tica em outras formas de energia das quais, percebemos apenas uma pequena parte dessa energia na forma de luz.<\/p>\n<p>A energia cin\u00e9tica \u00e9 definida pela f\u00f3rmula m.v\u00b2\/2, onde m \u00e9 a massa e v, a velocidade. Logo, se a energia liberada foi grande, e a massa era pequena, certamente a velocidade do meteoro era bastante alta. De acordo com os dados coletados em nossas esta\u00e7\u00f5es de monitoramento de meteoros, calculamos a velocidade de entrada em 35,11 Km\/s, o que equivale a absurdos 126.396 Km\/h.<\/p>\n<p>Essa velocidade ocorre gra\u00e7as a \u00f3rbita alongada que o meteoroide possu\u00eda antes de atingir a Terra. \u00c9 uma \u00f3rbita compat\u00edvel com a chuva de meteoros Southern omega Scorpiids, proposta por <a href=\"http:\/\/adsabs.harvard.edu\/abs\/1988msdc.book.....K\" target=\"_blank\" rel=\"noopener noreferrer\">Kronk em 1988<\/a> e que tem sua m\u00e1xima atividade no dia 31 de maio.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/\/wp-content\/uploads\/2018\/05\/orbita.jpg\"><img data-attachment-id=\"1916\" data-permalink=\"http:\/\/www.bramonmeteor.org\/bramon\/orbita\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/orbita.jpg?fit=843%2C804\" data-orig-size=\"843,804\" 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=\"\u00d3rbita do meteoroide\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/orbita.jpg?fit=300%2C286\" data-large-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/orbita.jpg?fit=843%2C804\" loading=\"lazy\" class=\"alignnone size-full wp-image-1916\" src=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/\/wp-content\/uploads\/2018\/05\/orbita.jpg?resize=843%2C804\" alt=\"\" width=\"843\" height=\"804\" srcset=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/orbita.jpg?w=843 843w, https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/orbita.jpg?resize=300%2C286 300w, https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/orbita.jpg?resize=768%2C732 768w\" sizes=\"(max-width: 843px) 100vw, 843px\" data-recalc-dims=\"1\" \/><\/a><\/p>\n<p>O meteoro iniciou sua fase luminosa exatamente \u00e0s 21:41:54 (Hor\u00e1rio de Bras\u00edlia) sobre o munic\u00edpio de Descalvado a 77,1 Km de altitude. Em pouco mais de 2 segundos, ele percorreu 67,9 Km de atmosfera em dire\u00e7\u00e3o ao oeste at\u00e9 sua explos\u00e3o final entre Araraquara e Porto Ferreira, a 18,6 Km de altitude.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/\/wp-content\/uploads\/2018\/05\/mapa.jpg\"><img data-attachment-id=\"1917\" data-permalink=\"http:\/\/www.bramonmeteor.org\/bramon\/mapa\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/mapa.jpg?fit=869%2C628\" data-orig-size=\"869,628\" 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=\"Mapa da Trajet\u00f3ria\" data-image-description=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/mapa.jpg?fit=300%2C217\" data-large-file=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/mapa.jpg?fit=854%2C617\" loading=\"lazy\" class=\"alignnone size-full wp-image-1917\" src=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/\/wp-content\/uploads\/2018\/05\/mapa.jpg?resize=854%2C617\" alt=\"\" width=\"854\" height=\"617\" srcset=\"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/mapa.jpg?w=869 869w, https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/mapa.jpg?resize=300%2C217 300w, https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/mapa.jpg?resize=768%2C555 768w\" sizes=\"(max-width: 854px) 100vw, 854px\" data-recalc-dims=\"1\" \/><\/a><\/p>\n<p>Essa altura final \u00e9 relativamente muito baixa, por isso, a luminosidade foi mais intensa nas proximidades de Araraquara e Porto Ferreira. Em Porto Ferreira e nas localidades vizinhas, houveram diversos relatos de barulho de explos\u00e3o e de vibra\u00e7\u00e3o, fen\u00f4menos que s\u00e3o sentidos devido a onda de choque gerada pela energia liberada durante a passagem atmosf\u00e9rica.<\/p>\n<p>Essa an\u00e1lise ainda n\u00e3o \u00e9 definitiva e podemos ajustar seus resultados se houverem novos v\u00eddeos ou informa\u00e7\u00f5es que melhorem a precis\u00e3o dos dados que temos at\u00e9 o momento.<\/p>\n<p>Vale lembrar que apesar de assustador, um meteoro como esse \u00e9 um fen\u00f4meno que n\u00e3o oferece riscos \u00e0 popula\u00e7\u00e3o. Entretanto, nos serve de alerta, de que precisamos aumentar o monitoramento de asteroides pr\u00f3ximos \u00e0 Terra. Para que, quando vier um objeto maior, tenhamos ao menos tempo para tentar nos proteger.<\/p>\n<p>E \u00e9 por isso que no dia 30 de junho, o mundo celebra o <a href=\"https:\/\/asteroidday.org\/brasil\/\" target=\"_blank\" rel=\"noopener noreferrer\">Asteroid Day<\/a>, uma mobiliza\u00e7\u00e3o internacional com o objetivo de conscientizar autoridades e o p\u00fablico em geral sobre os reais riscos de um impacto de asteroide na Terra e sobre as a\u00e7\u00f5es poss\u00edveis para evitar ou amenizar seus efeitos. A BRAMON participa do Asteroid Day e convida a todos para participarem tamb\u00e9m.<\/p>\n<p>Se voc\u00ea tem mais informa\u00e7\u00f5es, fotos e\/ou v\u00eddeos, envie\u00a0seu relato para\u00a0bramon@bramonmeteor.org.<\/p>","protected":false},"excerpt":{"rendered":"<div class=\"wpm_excerpt clearfix\"><p>Grande b\u00f3lido observado sobre o estado de S\u00e3o Paulo. Recebemos, na noite&hellip;<\/p>\n<\/div>","protected":false},"author":72,"featured_media":1910,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":""},"categories":[5],"tags":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.bramonmeteor.org\/bramon\/wp-content\/uploads\/2018\/05\/M20180525_004154_BGS_1P.jpg?fit=720%2C480","jetpack_publicize_connections":[],"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts\/1905"}],"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\/72"}],"replies":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/comments?post=1905"}],"version-history":[{"count":2,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts\/1905\/revisions"}],"predecessor-version":[{"id":3101,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/posts\/1905\/revisions\/3101"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/media\/1910"}],"wp:attachment":[{"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/media?parent=1905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/categories?post=1905"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.bramonmeteor.org\/bramon\/wp-json\/wp\/v2\/tags?post=1905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}