2009 WM1 is an near-earth asteroid[1] that is 280 metres in diameter with an estimated mass of 2.9×1010 kg.[2][3] As of November 2011[update], it has an insignificant 1 in 83 million chance of impacting the Earth on 2091-Nov-23.[3]
Physical characteristics
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|
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Mass | 2.9×1010 kg |
Albedo | n.a. |
Absolute magnitude (H) | 20.428 |