The 110 - 250 metre wide asteroid 2011 HP will make a close pass (13.1 lunar distances, 0.0336 AU), travelling at 8.38 km/second, to the Earth-Moon system on the 30th May, 2011 @ 16:00 UT ±00:25.
Orbital elements:
2011 HP PHA, Earth MOID = 0.0274 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 310.79755 (2000.0) P Q
n 0.36703266 Peri. 46.38207 +0.10545514 +0.99315148
a 1.9319664 Node 229.74052 -0.93029396 +0.08066013
e 0.4847152 Incl. 3.77873 -0.35132943 +0.08452267
P 2.69 H 21.8 G 0.15 U 9