* Astronomy

Orbital elements:
2011 UB115                                               Earth MOID = 0.1413 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 312.17381              (2000.0)            P               Q
n   0.40632419     Peri.  240.16964     +0.02509488     -0.99385747
a   1.8053203      Node   208.99566     +0.97668552     +0.04736918
e   0.4282959      Incl.   12.84736     +0.21320330     -0.10001747
P   2.43           H   23.9           G   0.15           U   9

MPEC 2011 - U77

The 45 - 100 metre wide asteroid 2011 UB115 will make a close pass (61.7 lunar distances, 0.1586 AU), travelling at 7.90 km/second, to the Earth-Moon system on the 19th November, 2011 @ 07:28 UT ±1 day 04:53.

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