* Astronomy

Orbital elements:
2012 UY136                                               Earth MOID = 0.0152 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 355.29778              (2000.0)            P               Q
n   0.43406166     Peri.  169.97902     +0.96256203     -0.26847148
a   1.7275678      Node   205.68891     +0.24234374     +0.91413750
e   0.4156798      Incl.    4.94710     +0.12142428     +0.30376916
P   2.27           H   26.6           G   0.15           U   7

MPEC 2012 - U90 

The 12 - 28 metre wide asteroid 2012 UY136 made a close pass (8.4 lunar distances, 0.0215 AU), travelling at 6.50 km/second, to the Earth-Moon system on the 19th October, 2012 @ 23:15 UT ±00:03. 

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