* Astronomy

Orbital elements:
2012 PM28                                                Earth MOID = 0.0958 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 347.35400              (2000.0)            P               Q
n   0.40692122     Peri.  126.85719     +0.22004162     -0.96705766
a   1.8035540      Node   309.92535     +0.83345077     +0.25455433
e   0.6726394      Incl.    9.60735     +0.50689398     +0.00125162
P   2.42           H   22.6           G   0.15           U   9

MPEC 2012 - Q13

The 73 - 160 metre wide asteroid 2012 PM28 will make a close pass (51.7 lunar distances, 0.1328 AU), travelling at 18.20 km/second, to the Earth-Moon system on the 10th September, 2012 @ 18:58 UT ±01:05. 

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