The 14 - 32 metre wide asteroid 2011 AN4 will make a close pass (5.1 lunar distances, 0.0131 AU), travelling at 10.47 km/second, to the Earth-Moon system on the 9th January, 2011 @ 23:19 UT ±01:54.
Orbital elements: 2011 AN4 Earth MOID = 0.0130 AU Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC M 0.72186 (2000.0) P Q n 0.35327688 Peri. 220.38069 -0.80858720 -0.57432706 a 1.9817973 Node 284.11455 +0.56807323 -0.70547268 e 0.5324462 Incl. 7.57291 +0.15323037 -0.41527908 P 2.79 H 26.3 G 0.15 U 6