* Astronomy

Orbital elements:
2012 LJ                                                  Earth MOID = 0.0035 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M 322.69660              (2000.0)            P               Q
n   0.27839136     Peri.   92.47946     +0.90930087     +0.41595593
a   2.3229091      Node   242.94124     -0.38710101     +0.83458273
e   0.6967589      Incl.    0.79478     -0.15272437     +0.36118185
P   3.54           H   25.5           G   0.15           U   6

MPEC 2012 - L18

The 21 - 47 metre wide asteroid 2012 LJ will make a close pass (1.6 lunar distances, 0.0042 AU), travelling at 18.84 km/second, to the Earth-Moon system on the 10th June, 2012 @ 18:44 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).