* Astronomy

Orbital elements:
2013 CX32                                                Earth MOID = 0.0420 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M  29.80287              (2000.0)            P               Q
n   0.34860113     Peri.  162.25072     -0.49253864     -0.86326443
a   1.9994790      Node   317.07635     +0.77753698     -0.37952580
e   0.4913895      Incl.    9.32626     +0.39095003     -0.33276822
P   2.83           H   24.5           G   0.15           U   7

MPEC 2013 - C29

Key to Orbital elements

The 33 - 74 metre wide asteroid 2013 CX32 made a close pass (18.6 lunar distances, 0.0477 AU), travelling at 8.32 km/second, to the Earth-Moon system on the 4th February, 2013 @ 09:01 UT ±00:26. 

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