* Astronomy

Orbital elements:
2005 UX5                                                 Earth MOID = 0.0640 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 318.32000              (2000.0)            P               Q
n   0.42225031     Peri.  264.62565     -0.50055826     -0.84082134
a   1.7596356      Node   217.79192     +0.86564031     -0.48327526
e   0.5772956      Incl.   19.64935     +0.01040595     -0.24385343
P   2.33           H   21.1           G   0.15           U   4

MPEC 2012 - V62

The 160 - 350 metre wide asteroid 2005 UX5 will make a close pass (71.7 lunar distances, 0.1843 AU), travelling at 14.16 km/second, to the Earth-Moon system on the 18th November, 2012 @ 08:23 UT ±00:01. 

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