* Astronomy

Orbital elements:
2012 CN2                                                 Earth MOID = 0.0727 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  28.85903              (2000.0)            P               Q
n   0.63544132     Peri.  168.02725     -0.62430320     -0.77320573
a   1.3399412      Node   320.45467     +0.70151607     -0.49220073
e   0.2121363      Incl.   10.07205     +0.34368695     -0.39986415
P   1.55           H   25.3           G   0.15           U   7

MPEC 2012 - C30

The 23 - 51 metre wide asteroid 2012 CN2 will make a close pass (28.3 lunar distances, 0.0728 AU), travelling at 5.67 km/second, to the Earth-Moon system on the 7th February, 2012 @ 02:25 UT ±04:35. 

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