* Astronomy

Orbital elements:
2011 KF9                                                 Earth MOID = 0.0930 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M  34.75855              (2000.0)            P               Q
n   0.29130225     Peri.  155.51731     -0.86535341     +0.48717568
a   2.2537556      Node    54.15094     -0.48039878     -0.73952388
e   0.5173887      Incl.    8.34022     -0.14276028     -0.46450435
P   3.38           H   20.7           G   0.15           U   8

MPEC 2011 - K27

The 10 - 470 metre wide asteroid 2011 KF9 made a close pass (66.2 lunar distances, 0.1701 AU), travelling at 10.14 km/second, to the Earth-Moon system on the 16th May, 2011 @ 15:24 UT ±01:18.

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