* Astronomy

Orbital elements:
2011 UN91                                                Earth MOID = 0.0273 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 332.20499              (2000.0)            P               Q
n   0.27541510     Peri.   72.08716     -0.03714180     -0.99863829
a   2.3396140      Node    20.14799     +0.87188002     -0.05029722
e   0.6505151      Incl.    6.10532     +0.48830904     +0.01384762
P   3.58           H   25.6           G   0.15           U   8

MPEC 2011 - U62


The 20 - 46 metre wide asteroid 2011 UN91 will make a close pass (10.9 lunar distances, 0.0281 AU), travelling at 14.95 km/second, to the Earth-Moon system on the 28th October, 2011 @ 01:05 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).