* Astronomy

Orbital elements:
2013 AE53                                                Earth MOID = 0.0450 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 310.01111              (2000.0)            P               Q
n   0.42929363     Peri.   18.96759     -0.57971333     -0.79401445
a   1.7403359      Node   106.86725     +0.72068791     -0.60441560
e   0.4166364      Incl.   11.02180     +0.38018600     -0.06498333
P   2.30           H   25.9           G   0.15           U   7

MPEC 2013 - A61

Key to Orbital Elements

The 18 - 39 metre wide asteroid 2013 AE53 made a close pass (17.1 lunar distances, 0.0441 AU), travelling at 8.13 km/second, to the Earth-Moon system on the 12th January, 2013 @ 07:18 UT ±00:16. 

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