* Astronomy

Orbital elements:
2012 KF47                                                Earth MOID = 0.1451 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 212.52736              (2000.0)            P               Q
n   0.86316391     Peri.  218.35865     +0.98558345     -0.13064131
a   1.0924642      Node   148.63959     +0.15229263     +0.96183060
e   0.3391221      Incl.   11.92204     -0.07370357     +0.24044696
P   1.14           H   20.7           G   0.15           U   8

MPEC 2012 - L07

The 190 - 420 metre wide asteroid 2012 KF47 will make a close pass (66.8 lunar distances, 0.1716 AU), travelling at 10.58 km/second, to the Earth-Moon system on the 11th July, 2012 @ 08:31 UT ±04:49. 

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