The 130 - 290 metre wide asteroid 2011 HS60 will make a close pass (68.9 lunar distances, 0.1770 AU), travelling at 16.39 km/second, to the Earth-Moon system on the 28th December, 2012 @ 02:40 UT ±00:35.
Orbital elements:
2011 HS60 Earth MOID = 0.0900 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 178.29673 (2000.0) P Q
n 0.85112635 Peri. 306.07566 +0.97128549 -0.08142797
a 1.1027406 Node 59.59353 +0.18679286 +0.84293623
e 0.4103602 Incl. 15.02259 -0.14735304 +0.53181576
P 1.16 H 21.3 G 0.15 U 9