* Astronomy

Orbital elements:
2011 AV55                                                Earth MOID = 0.0280 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5                  MPC
M  12.25297              (2000.0)            P               Q
n   0.25650227     Peri.  145.13487     +0.06331761     -0.96235314
a   2.4532506      Node   299.87925     +0.83225592     +0.19708302
e   0.6130222      Incl.   17.74885     +0.55076398     -0.18717565
P   3.84           H   23.4           G   0.15           U   7

MPEC 2011 - A73

The 57 - 130 metre wide asteroid 2011 AV55 made a close pass (16.7 lunar distances, 0.0430 AU), travelling at 13.72 km/second, to the Earth-Moon system on the 14th January, 2011 @ 11:25 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).