* Astronomy

Orbital elements:
2013 CH129                                               Earth MOID = 0.1347 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M   9.44262              (2000.0)            P               Q
n   0.26557970     Peri.   30.64493     -0.99329331     -0.08253321
a   2.3970263      Node   144.34131     +0.05570403     -0.95528987
e   0.5363897      Incl.    7.98427     +0.10131861     -0.28391818
P   3.71           H   24.1           G   0.15           U   8

MPEC 2013 - D06

Key to Orbital elements

The 43 - 96 metre wide asteroid 2013 CH129 will make a close pass (53.9 lunar distances, 0.1385 AU), travelling at 7.16 km/second, to the Earth-Moon system on the 5th March, 2013 @ 21:16 UT ±05:53. 

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