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(163364) 2002 OD20 : ウィキペディア英語版 | (163364) 2002 OD20
is a near-Earth object that is classified as a potentially hazardous asteroid (PHA).〔(【引用サイトリンク】 title=Target Asteroids! Near-Earth Asteroid List )〕 It was scheduled to be observed by Goldstone radar in May 2013.〔 It has a well determined orbit and will make a close approach to Earth on 23 May 2013, at a distance of .〔〔(【引用サイトリンク】 title=Goldstone Asteroid Schedule )〕 It is due to make another close pass on 23 May 2131, coming as close as 0.0248 AU.〔 It was discoverded on 21 July 2002 by Near-Earth Asteroid Tracking (NEAT).〔(【引用サイトリンク】 title=List Of The Potentially Hazardous Asteroids (PHAs) )〕 With an absolute magnitude (H) of 18.8,〔 the diameter is estimated to be 460–1030 meters.〔 ==References==
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