* Astronomy

Orbital elements:
2013 JX2                                                 Earth MOID = 0.1123 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M 343.43110              (2000.0)            P               Q
n   0.46586738     Peri.  151.68481     -0.58579798     +0.78042768
a   1.6480151      Node    81.63177     -0.77902085     -0.46782922
e   0.3297694      Incl.   12.76327     -0.22353354     -0.41481135
P   2.12           H   20.5           G   0.15           U   7

MPEC 2013 - J16

Key to Orbital elements

The 200 - 440 metre wide asteroid 2013 JX2 will make a close pass (75.5 lunar distances, 0.1940 AU), travelling at 9.97 km/second, to the Earth-Moon system on the 9th June, 2013 @ 02:52 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).