* Astronomy

Orbital elements:
2011 UL10                                                Earth MOID = 0.0080 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5                 MPC
M 323.37811              (2000.0)            P               Q
n   0.36899117     Peri.   33.70750     -0.10408911     -0.99449289
a   1.9251241      Node    62.26989     +0.90942335     -0.10014545
e   0.6082109      Incl.    0.79110     +0.40263460     -0.03089964
P   2.67           H   25.3           G   0.15           U   6

MPEC 2011 - U22

The 23 - 52 metre wide asteroid 2011 UL10 will make a close pass (3.5 lunar distances, 0.0089 AU), travelling at 15.09 km/second, to the Earth-Moon system on the 21st October, 2011 @ 07:09 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).