* Astronomy

Orbital elements:
2012 XL134                                               Earth MOID = 0.0014 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 336.13492              (2000.0)            P               Q
n   0.24565331     Peri.  214.87321     -0.36234071     -0.93199267
a   2.5249588      Node   256.37260     +0.85744530     -0.32913819
e   0.6264476      Incl.    0.58621     +0.36537210     -0.15184767
P   4.01           H   27.7           G   0.15           U   8

MPEC 2012 - X92

The 7 - 16 metre wide asteroid 2012 XL134 will make a close pass (0.7 lunar distances, 0.0018 AU), travelling at 10.07 km/second, to the Earth-Moon system on the 15th December, 2012 @ 15:40 UT ±00:08. 

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