* Astronomy

Orbital elements:
2013 HL11                                                Earth MOID = 0.1603 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 315.11661              (2000.0)            P               Q
n   0.61778040     Peri.  244.40047     +0.03495463     +0.95738879
a   1.3653583      Node    31.97226     -0.60582441     +0.24843872
e   0.2292595      Incl.   32.77939     -0.79483015     -0.14725796
P   1.60           H   23.2           G   0.15           U   7

MPEC 2013 - H29

Key to Orbital elements

The 58 - 130 metre wide asteroid 2013 HL11 will make a close pass (62.8 lunar distances, 0.1614 AU), travelling at 17.21 km/second, to the Earth-Moon system on the 27th April, 2013 @ 06:08 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).