* Astronomy

Orbital elements:
2005 GB120                                               Earth MOID = 0.0730 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M  20.31238              (2000.0)            P               Q
n   1.40016674     Peri.  243.62057     +0.70722948     -0.70509946
a   0.7913153      Node   161.06901     +0.69200548     +0.67545996
e   0.3947023      Incl.    9.14935     +0.14475799     +0.21584393
P   0.70           H   20.5           G   0.15           U   4

MPEC 2010 - E68

The 210 - 460 metre wide asteroid 2005 GB120 will make a close pass (67.3 lunar distances, 0.1729 AU), travelling at 7.80 km/second, to the Earth-Moon system on the 30th May, 2010.

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