* Astronomy

Orbital elements:
2013 GF                                                  Earth MOID = 0.0504 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 351.68222              (2000.0)            P               Q
n   0.38578502     Peri.  204.25572     -0.73799155     +0.67222283
a   1.8688415      Node    18.37781     -0.58449359     -0.59304803
e   0.4470063      Incl.   10.79177     -0.33724725     -0.44318225
P   2.55           H   21.3           G   0.15           U   8

MPEC 2013 - G07

Key to Orbital elements

The 150 - 330 metre wide asteroid 2013 GF will make a close pass (56.2 lunar distances, 0.1444 AU), travelling at 8.58 km/second, to the Earth-Moon system on the 11th May, 2013 @ 21:45 UT ±02:12. 

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