* Astronomy

Orbital elements:
2013 EP4                                                 Earth MOID = 0.0274 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M  31.99378              (2000.0)            P               Q
n   0.40742103     Peri.  319.61947     -0.51987208     -0.85325284
a   1.8020787      Node   161.58735     +0.81348688     -0.50919246
e   0.4667104      Incl.    7.48418     +0.26071465     -0.11261717
P   2.42           H   25.4           G   0.15           U   8

MPEC 2013 - E19

Key to Orbital elements

The 23 - 51 metre wide asteroid 2013 EP4 made a close pass (20.2 lunar distances, 0.0520 AU), travelling at 9.79 km/second, to the Earth-Moon system on the 27th February, 2013 @ 06:45 UT ±00:15. 

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