* Astronomy

Orbital elements:
2013 EW89                                                Earth MOID = 0.0240 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 341.22818              (2000.0)            P               Q
n   0.66914442     Peri.  100.83626     +0.07990579     +0.99625233
a   1.2945619      Node   173.46884     -0.98985018     +0.08322105
e   0.5187591      Incl.   16.92414     -0.11752315     -0.02357016
P   1.47           H   25.5           G   0.15           U   8

MPEC 2013 - F05

Key to Orbital elements

The 22 - 48 metre wide asteroid 2013 EW89 will make a close pass (19.2 lunar distances, 0.0494 AU), travelling at 17.28 km/second, to the Earth-Moon system on the 20th March, 2013 @ 00:39 UT ±00:01. 

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