* Astronomy

Orbital elements:
2013 GZ7                                                 Earth MOID = 0.1380 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M  11.78878              (2000.0)            P               Q
n   0.59082470     Peri.  165.78463     -0.99074489     +0.13132578
a   1.4065773      Node    21.85045     -0.13179908     -0.87026997
e   0.1920183      Incl.    5.29141     -0.03245855     -0.47474594
P   1.67           H   24.0           G   0.15           U   7

MPEC 2013 - G21

Key to Orbital elements

 The 37 - 84 metre wide asteroid 2013 GZ7 made a close pass (54.5 lunar distances, 0.1401 AU), travelling at 2.86 km/second, to the Earth-Moon system on the 2nd April, 2013 @ 09:23 UT ±2 days 00:00. 

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