* Astronomy

Orbital elements:
2013 HU14                                                Earth MOID = 0.0402 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M   7.71182              (2000.0)            P               Q
n   0.66703131     Peri.  164.34349     -0.95019226     +0.27763048
a   1.2972945      Node    32.85849     -0.30656697     -0.75074130
e   0.1987183      Incl.   15.13044     -0.05613701     -0.59942374
P   1.48           H   24.3           G   0.15           U   6

MPEC 2013 - H40

Key to Orbital elements

The 37 - 82 metre wide asteroid 2013 HU14 made a close pass (17.7 lunar distances, 0.0454 AU), travelling at 8.38 km/second, to the Earth-Moon system on the 20th April, 2013 @ 23:43 UT ±00:04. 

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