* Astronomy

Orbital elements:
2012 UR18                                                Earth MOID = 0.0289 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 313.15623              (2000.0)            P               Q
n   0.61665237     Peri.  248.17386     -0.07162897     -0.99576076
a   1.3670229      Node   206.13614     +0.95667054     -0.05221713
e   0.3507567      Incl.    7.52714     +0.28222469     -0.07572238
P   1.60           H   26.0           G   0.15           U   8

MPEC 2012 - U45

The 17 - 38 metre wide asteroid 2012 UR18 will make a close pass (11.2 lunar distances, 0.0288 AU), travelling at 8.85 km/second, to the Earth-Moon system on the 30th October, 2012 @ 15:26 UT ±01:14. 

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