* Astronomy

Orbital elements:
2011 UU63                                                Earth MOID = 0.0255 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 306.41518              (2000.0)            P               Q
n   0.47691962     Peri.  261.23585     -0.31650286     -0.94450656
a   1.6224547      Node   207.71725     +0.92759251     -0.28876543
e   0.5383792      Incl.   10.89865     +0.19848946     -0.15659463
P   2.07           H   24.3           G   0.15           U   8

MPEC 2011 - U51

The 38 - 86 metre wide asteroid 2011 UU63 will make a close pass (12.7 lunar distances, 0.0326 AU), travelling at 15.55 km/second, to the Earth-Moon system on the 30th October, 2011 @ 02:54 UT ±00:02.

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