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Orbital elements:
2013 NH10                                                Earth MOID = 0.1329 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 331.12571              (2000.0)            P               Q
n   0.33576624     Peri.   57.91422     +0.34712159     +0.93732415
a   2.0501141      Node   232.42752     -0.87288077     +0.31102404
e   0.4417388      Incl.    2.20515     -0.34290781     +0.15712252
P   2.94           H   23.0           G   0.15           U   7

MPEC 2013 - N34

Key to Orbital elements

The 73 - 160 metre wide asteroid 2013 NH10 will make a close pass (51.8 lunar distances, 0.1331 AU), travelling at 4.19 km/second, to the Earth-Moon system on the 11th July, 2013 @ 16:28 UT ±00:55. 

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