* Astronomy

Orbital elements:
2011 BF10                                                Earth MOID = 0.0233 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M 349.84915              (2000.0)            P               Q
n   0.61360841     Peri.   35.36020     -0.92965221     -0.35371386
a   1.3715401      Node   123.60469     +0.30308106     -0.89331909
e   0.2883336      Incl.    7.11199     +0.20949614     -0.27724990
P   1.61           H   27.3           G   0.15           U   9

MPEC 2011 - B23

The 9 - 21 metre wide asteroid 2011 BF10 will make a close pass (9.3 lunar distances, 0.0240 AU), travelling at 6.42 km/second, to the Earth-Moon system on the 30th January, 2011 @ 11:35 UT ±02:31.

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