* Astronomy

Orbital elements:
2012 BT1                                                 Earth MOID = 0.0133 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 234.36268              (2000.0)            P               Q
n   1.42027600     Peri.  193.70664     +0.65968893     +0.74856830
a   0.7838282      Node   117.61502     -0.68222817     +0.63373938
e   0.3053562      Incl.    4.32050     -0.31523840     +0.19498690
P   0.69           H   27.4           G   0.15           U   8

MPEC 2012 - B14

The 9 - 20 metre wide asteroid 2012 BT1 made a close pass (9.4 lunar distances, 0.0240 AU), travelling at 6.31 km/second, to the Earth-Moon system on the 15th January, 2012 @ 09:18 UT ±00:04.

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