* Astronomy

Orbital elements:
2011 YE6                                            PHA, Earth MOID = 0.0435 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M   4.27072              (2000.0)            P               Q
n   0.20961711     Peri.  348.15968     -0.98560132     -0.16907453
a   2.8066283      Node   182.10929     +0.15915850     -0.92375534
e   0.7297056      Incl.    3.05516     +0.05708429     -0.34364207
P   4.70           H   20.7           G   0.15           U   7

MPEC 2011 - Y28

The 180 - 410 metre wide asteroid 2011 YE6 will make a close pass (45.2 lunar distances, 0.1161 AU), travelling at 14.56 km/second, to the Earth-Moon system on the 21st January, 2012 @ 02:53 UT ±00:04.

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