* Astronomy

Orbital elements:
2011 WR69                                                Earth MOID = 0.0387 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 259.82741              (2000.0)            P               Q
n   0.66258228     Peri.   75.55751     -0.71590769     -0.63827456
a   1.3030953      Node    63.92477     +0.45482314     -0.73385289
e   0.3586314      Incl.   18.36408     +0.52972832     -0.23251993
P   1.49           H   24.6           G   0.15           U   8

MPEC 2011 - W81

The 31 - 70 metre wide asteroid 2011 WR69 will make a close pass (16.6 lunar distances, 0.0426 AU), travelling at 12.99 km/second, to the Earth-Moon system on the 2nd December, 2011 @ 01:46 UT ±00:09.

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