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Post Info TOPIC: Asteroid 2011 UL169


L

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RE: Asteroid 2011 UL169
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The 6 - 13 metre wide asteroid 2011 UL169 made a close pass (0.7 lunar distances, 0.0018 AU), travelling at 9.54 km/second, to the Earth-Moon system on the 26th October, 2011 @ 02:31 UT ±00:01.

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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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L

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Orbital elements:
2011 UL169                                               Earth MOID = 0.0010 AU
Epoch 2011 Oct. 26.0 TT = JDT 2455860.5                 MPC
M  20.76841              (2000.0)            P               Q
n   0.55728739     Peri.  132.75664     +0.96389059     +0.25856431
a   1.4624574      Node   212.41144     -0.26554654     +0.91528438
e   0.3787162      Incl.    6.82688     -0.01999923     +0.30886730
P   1.77           H   28.3           G   0.15
From 20 observations 2011 Oct. 27-28.

MPEC 2011 - U94



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