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2010 AA15
Asteroid is in a similar but different orbit than main-belt comet P/2010 A2. Using the best-fit short-arc orbital data, it appears as if the closest that comet P/2010 A2 came to asteroid 2010 AA15 is around 0.0155 AU () on November 22, 2009.〔 2010 AA15 was discovered on January 7, 2010.〔 Since it has only been observed over a fifteen-day arc of its 3.5 year orbit, details of the exact orbit still need further refining for easy recovery of this object in the distant future.〔 The asteroid appears to have come to perihelion (closest approach to the Sun) on around January 10, 2010,〔 only a couple days after its discovery. With an absolute magnitude (H) of 19.2,〔 2010 AA15 is likely about in diameter.〔 ==References==
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 AA15」の詳細全文を読む
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