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Post Info TOPIC: Asteroid 2011 UD21
Blobrana


L

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RE: Asteroid 2011 UD21
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The 5 - 12 metre wide asteroid 2011 UD21 will make a close pass (21.3 lunar distances, 0.0547 AU), travelling at 1.46 km/second, to the Earth-Moon system on the 22nd April, 2012 @ 03:49 UT ±00:03.

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).



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Blobrana


L

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Orbital elements:
2011 UD21                                                Earth MOID = 0.0016 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M  13.80680              (2000.0)            P               Q
n   0.97006009     Peri.  279.79627     +0.73247715     +0.68076428
a   1.0106566      Node    37.30074     -0.62060134     +0.67137472
e   0.0294423      Incl.    0.57686     -0.27987712     +0.29294366
P   1.02           H   28.6           G   0.15           U   5

MPEC 2011 - U32



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