* Astronomy

Orbital elements:
2012 BW61                                                Earth MOID = 0.0399 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 358.86971              (2000.0)            P               Q
n   0.38848102     Peri.  249.69505     -0.93245800     +0.30125507
a   1.8601852      Node   307.30900     -0.15811581     -0.83660149
e   0.5619134      Incl.   14.52016     -0.32484068     -0.45754053
P   2.54           H   25.3           G   0.15           U   9

MPEC 2012 - B72

The 23 - 51 metre wide asteroid 2012 BW61 will make a close pass (18.4 lunar distances, 0.0472 AU), travelling at 16.53 km/second, to the Earth-Moon system on the 2nd February, 2012 @ 20:34 UT ±00:13.

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