* Astronomy

Orbital elements:
2012 UV158                                               Earth MOID = 0.0384 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 354.97962              (2000.0)            P               Q
n   0.52406886     Peri.  161.50999     +0.95494200     -0.21805143
a   1.5236217      Node   213.22825     +0.20408412     +0.97499367
e   0.3304014      Incl.   21.55733     +0.21548886     +0.04290588
P   1.88           H   24.5           G   0.15           U   7

MPEC 2012 - U107

The 33 - 74 metre wide asteroid 2012 UV158 made a close pass (14.9 lunar distances, 0.0383 AU), travelling at 12.78 km/second, to the Earth-Moon system on the 25th October, 2012 @ 04:31 UT ±00:02. 

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