* Astronomy

Orbital elements:
2013 AN20                                           PHA, Earth MOID = 0.0363 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 305.66870              (2000.0)            P               Q
n   0.55610605     Peri.  355.72443     -0.19854789     -0.90426533
a   1.4645278      Node   105.39141     +0.91044291     -0.31296144
e   0.3048883      Incl.   23.08272     +0.36286697     +0.29044681
P   1.77           H   21.5           G   0.15           U   7

MPEC 2013 - A34

Key to Orbital elements

The 140 - 310 metre wide asteroid 2013 AN20 will make a close pass (30.0 lunar distances, 0.0770 AU), travelling at 13.49 km/second, to the Earth-Moon system on the 9th January, 2013 @ 03:45 UT ±00:06. 

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