The 49 - 110 metre wide asteroid 2011 AB3 will make a close pass (36.8 lunar distances, 0.0945 AU), travelling at 5.49 km/second, to the Earth-Moon system on the 17th January, 2011 @ 01:44 UT ±1 day 01:18.
Orbital elements: 2011 AB3 Earth MOID = 0.0583 AU Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC M 268.42264 (2000.0) P Q n 1.03779399 Peri. 139.23172 -0.41771276 +0.90037544 a 0.9661887 Node 105.75883 -0.86302689 -0.35126693 e 0.1808106 Incl. 7.27187 -0.28407857 -0.25677931 P 0.95 H 23.7 G 0.15 U 9