* Astronomy

Orbital elements:
1994 EK                                             PHA, Earth MOID = 0.0315 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 344.39684              (2000.0)            P               Q
n   0.31262236     Peri.   99.21020     +0.30124765     -0.95235647
a   2.1500869      Node   333.10813     +0.82831829     +0.28609496
e   0.6387340      Incl.    6.04256     +0.47237555     +0.10567325
P   3.15           H   20.3           G   0.15           U   4

MPEC 2012 - Q53

The 240 - 540 metre wide asteroid 1994 EK will make a close pass (52.8 lunar distances, 0.1356 AU), travelling at 12.21 km/second, to the Earth-Moon system on the 14th October, 2012 @ 04:54 UT ±00:23. 

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