* Astronomy

Orbital elements:
2013 GW38                                                Earth MOID = 0.0006 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M  14.66585              (2000.0)            P               Q
n   0.34688324     Peri.  137.23425     -0.90933021     -0.41588604
a   2.0060750      Node    18.20227     +0.37007394     -0.82220734
e   0.5460206      Incl.    2.30162     +0.19016794     -0.38860506
P   2.84           H   28.4           G   0.15           U   5

MPEC 2013 - G45

Key to Orbital elements

The 5 - 12 metre wide asteroid 2013 GW38 made a close pass (1.3 lunar distances, 0.0034 AU), travelling at 10.52 km/second, to the Earth-Moon system on the 7th April, 2013 @ 18:54 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).