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2010 GA6
is a near-Earth asteroid discovered by the Catalina Sky Survey on April 5, 2010,〔 four days before a close approach to Earth. It is a relatively small space rock about wide.〔 With a 1-day observation arc, the asteroid had a 1 in 6 million chance of impacting in 2074.〔 It was removed from the Sentry Risk Table on April 8, 2010.〔 The asteroid passed Earth at a distance of about at 02:07 UT on April 9, 2010 (7:06 pm EST on April 8).〔〔〔(Newfound Asteroid to Buzz Earth Thursday )〕〔(Newly Discovered Asteroid Will Pass by Earth April 8 )〕 A stony asteroid 22 meters in diameter can be expected to create an air burst with the equivalent of 300 kilotons of TNT at an altitude of .〔 Generally only asteroids larger than 35 meters across pose a threat to a town or city.〔 == See also ==
* *367943 Duende
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「2010 GA6」の詳細全文を読む
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