* Astronomy

Orbital elements:
2010 BG2                                                 Earth MOID = 0.0533 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  12.25435              (2000.0)            P               Q
n   0.35488004     Peri.  236.74356     +0.86827912     -0.15974374
a   1.9758243      Node   127.57033     +0.17514241     +0.98448104
e   0.8325902      Incl.   36.33763     -0.46412983     +0.07265688
P   2.78           H   19.9           G   0.15
From 10 observations 2010 Jan. 18-19.

MPEC 2010 - B11

The 290 - 640 metre wide asteroid 2010 BG2 will make a close pass (75.9 lunar distances, 0.1951 AU), travelling at 28.27 km/second, to the Earth-Moon system on the 16th January, 2010.

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