* Astronomy

Orbital elements:
2012 CL17                                                Earth MOID = 0.0062 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  32.51576              (2000.0)            P               Q
n   0.38909205     Peri.   81.22451     +0.74423751     -0.66613518
a   1.8582372      Node   320.52305     +0.57871593     +0.67955121
e   0.7042917      Incl.    4.39573     +0.33346424     +0.30736634
P   2.53           H   25.7           G   0.15           U   8

MPEC 2012 - C42

The 20 - 44 metre wide asteroid 2012 CL17 made a close pass (4.5 lunar distances, 0.0117 AU), travelling at 21.81 km/second, to the Earth-Moon system on the 6th February, 2012 @ 00:10 UT ±00:17.

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