* Astronomy

Orbital elements:
2012 JX11                                                Earth MOID = 0.0389 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 334.48829              (2000.0)            P               Q
n   0.35823177     Peri.   22.97476     -0.43577135     +0.89557701
a   1.9634808      Node   221.34277     -0.84543597     -0.44147578
e   0.4741576      Incl.    7.80404     -0.30877395     -0.05514487
P   2.75           H   23.1           G   0.15           U   7

MPEC 2012 - K06

The 62 - 140 metre wide asteroid 2012 JX11 made a close pass (16.4 lunar distances, 0.0422 AU), travelling at 7.64 km/second, to the Earth-Moon system on the 14th May, 2012 @ 13:13 UT ±00:42. 

See more

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