The 24 - 53 metre wide asteroid 2011 GB will make a close pass (44.1 lunar distances, 0.1133 AU), travelling at 5.94 km/second, to the Earth-Moon system on the 5th April, 2011 @ 20:16 UT ±3 days 04:30.
Orbital elements:
2011 GB Earth MOID = 0.1114 AU
Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC
M 346.83892 (2000.0) P Q
n 0.25083427 Peri. 169.81288 -0.98380034 +0.17797402
a 2.4900695 Node 20.47679 -0.16849557 -0.87706889
e 0.5540965 Incl. 3.52314 -0.06120569 -0.44617868
P 3.93 H 25.1 G 0.15 U 8