* Astronomy

Orbital elements:
2012 UJ                                                  Earth MOID = 0.0656 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 324.88808              (2000.0)            P               Q
n   0.65159223     Peri.  218.69140     +0.50098195     -0.84529361
a   1.3177068      Node   203.15519     +0.86385143     +0.50147049
e   0.2251470      Incl.   28.18556     +0.05270479     -0.18440733
P   1.51           H   25.3           G   0.15           U   8

MPEC 2012 - U22

The 23 - 51 metre wide asteroid 2012 UJ will make a close pass (25.5 lunar distances, 0.0656 AU), travelling at 15.29 km/second, to the Earth-Moon system on the 17th October, 2012 @ 20:46 UT ±00:17. 

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