* Astronomy

Orbital elements:
2011 YK6                                                 Earth MOID = 0.0019 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5                 MPC
M  13.81853              (2000.0)            P               Q
n   0.33821752     Peri.  229.11234     -0.84162716     -0.53057207
a   2.0401964      Node   278.61539     +0.52107713     -0.74874055
e   0.5764977      Incl.    5.85044     +0.14192373     -0.39734225
P   2.91           H   23.3           G   0.15           U   7

MPEC 2011 - Y33

The 55 - 120 metre wide asteroid 2011 YK6 will make a close pass (11.6 lunar distances, 0.0297 AU), travelling at 13.37 km/second, to the Earth-Moon system on the 28th December, 2011 @ 12:13 UT ±00:01.

See more

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