* Astronomy

Orbital elements:
2011 MK                                                  Earth MOID = 0.1151 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M  21.59425              (2000.0)            P               Q
n   0.33673516     Peri.   15.17367     +0.13494488     +0.98274462
a   2.0461796      Node   262.70438     -0.92185239     +0.07771100
e   0.4487607      Incl.    7.32717     -0.36328785     +0.16785115
P   2.93           H   20.5           G   0.15           U   8

MPEC 2011 - M28

The 220 - 480 metre wide asteroid 2011 MK made a close pass (61.6 lunar distances, 0.1583 AU), travelling at 7.47 km/second, to the Earth-Moon system on the 17th June, 2011 @ 02:04 UT ±04:11.

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