* Astronomy

Orbital elements:
2011 UA193                                               Earth MOID = 0.0318 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 344.49073              (2000.0)            P               Q
n   0.24412286     Peri.  180.51904     +0.81226773     -0.57081024
a   2.5355008      Node   215.17411     +0.53590107     +0.81153706
e   0.5954133      Incl.   12.02201     +0.23028499     +0.12483295
P   4.04           H   24.5           G   0.15           U   8

MPEC 2011 - U106


The 33 - 73 metre wide asteroid 2011 UA193 made a close pass (12.6 lunar distances, 0.0324 AU), travelling at 10.03 km/second, to the Earth-Moon system on the 28th October, 2011 @ 20:46 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).