* Astronomy

Orbital elements:
2011 UB131                                               Earth MOID = 0.1287 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 332.87922              (2000.0)            P               Q
n   0.23136508     Peri.  124.43462     -0.63936023     -0.76857636
a   2.6278718      Node     5.47593     +0.60484994     -0.52084074
e   0.7856669      Incl.   13.67351     +0.47473681     -0.37150411
P   4.26           H   21.9           G   0.15           U   8

MPEC 2011 - U80

The 110 - 250 metre wide asteroid 2011 UB131 will make a close pass (64.0 lunar distances, 0.1646 AU), travelling at 21.19 km/second, to the Earth-Moon system on the 6th November, 2011 @ 11:25 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).