* Astronomy

Orbital elements:
2012 GX11                                                Earth MOID = 0.1547 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 331.66839              (2000.0)            P               Q
n   0.31197076     Peri.  187.96199     -0.12579624     +0.97923689
a   2.1530798      Node    74.91666     -0.90088179     -0.04565647
e   0.4571045      Incl.    9.47625     -0.41543628     -0.19751100
P   3.16           H   21.0           G   0.15           U   9

MPEC 2012 - H06

The 180 - 400 metre wide asteroid 2012 GX11 will make a close pass (59.5 lunar distances, 0.1530 AU), travelling at 6.60 km/second, to the Earth-Moon system on the 10th June, 2012 @ 21:42 UT ±10:39.

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