* Astronomy

Orbital elements:
2012 UC                                                  Earth MOID = 0.0186 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 249.02384              (2000.0)            P               Q
n   1.09965373     Peri.  128.52505     -0.85471060     -0.51661193
a   0.9296056      Node    20.52385     +0.41966751     -0.74528017
e   0.3266112      Incl.    8.33328     +0.30553064     -0.42150870
P   0.90           H   25.0           G   0.15           U   8

MPEC 2012 - U10

The 26 - 59 metre wide asteroid 2012 UC will make a close pass (17.5 lunar distances, 0.0449 AU), travelling at 8.93 km/second, to the Earth-Moon system on the 19th October, 2012 @ 21:08 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).