* Astronomy

Orbital elements:
2011 KH4                                                 Earth MOID = 0.2323 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M  32.53870              (2000.0)            P               Q
n   0.31090639     Peri.  348.72626     -0.61466488     +0.74155956
a   2.1579910      Node   242.75269     -0.69814811     -0.67008886
e   0.4250411      Incl.   17.60165     -0.36711892     +0.03271598
P   3.17           H   21.5           G   0.15           U   8

MPEC 2011 - K22

The 130 - 300 wide asteroid  2011 KH4 made a close pass (94.5 lunar distances, 0.242 AU), travelling at 10.00 km/second, to the Earth-Moon system on the 20th May, 2011 @ 08:55 UT ±06:59.

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