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青海火流星事件

青海火流星事件
日期2020年12月23日 (2020-12-23)
时间中国 07:23:33 北京时间
(BJT)(UTC+08:00
地点西藏自治区/青海省边界
坐标31°54′N 96°12′E / 31.9°N 96.2°E / 31.9; 96.2
起因冲击能量:9.5千吨
辐射能量:4898 GJ[1]

青海火流星事件发生于北京时间2020年12月23日7时23分(12月22日23时23分 UTC),位于青海西藏交界处的玉树藏族自治州囊谦县。这颗火流星直径约6.5米,是一颗阿波罗型近地小行星,重量约430吨[2][3]美国国家航空航天局(NASA)近地天体研究中心探测其撞击地球大气层时候的速度为每秒钟13.5公里左右,方向为自北向南,当到达北纬31.9°、东经96.2°上方时发生了第一次爆炸,距离地面的高度35.5公里,紧接着连续不断的发生了10多次空爆,释放出大约相当于9500吨TNT炸药爆炸的能量,根据中国地震台网速报[4]最后降落至北纬32.36゜,东经96.59゜。

参考资料

[编辑]
  1. ^ Fireball and Bolide Reports (JPL)
  2. ^ 科普大世界. 重达430吨,从小行星带飞来!中科院关于青海火流星的数据出炉. 搜狐号. [2023-06-21]. (原始内容存档于2023-06-23). 
  3. ^ 国家空间科学中心. 青海火球事件——“肇事者”身份调查. 搜狐号. [2023-06-21]. (原始内容存档于2023-06-22). 
  4. ^ 地震台网通报青海玉树不明飞行物:疑似火流星. 澎湃新闻. [2023-06-21]. (原始内容存档于2023-06-21). 
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青海火流星事件
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