The 18 - 39 metre wide asteroid 2011 HJ will make a close pass (5.3 lunar distances, 0.0137 AU), travelling at 6.66 km/second, to the Earth-Moon system on the 28th April, 2011 @ 07:04 UT ±00:01.
Orbital elements:
2011 HJ Earth MOID = 0.0117 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 301.01099 (2000.0) P Q
n 0.55910233 Peri. 35.66453 -0.38010208 +0.92391635
a 1.4592908 Node 212.06023 -0.86653141 -0.37218772
e 0.3266526 Incl. 4.71153 -0.32348992 -0.08862774
P 1.76 H 25.7 G 0.15 U 8