The 35 - 77 metre wide asteroid 2010 XN will make a close pass (23.2 lunar distances, 0.0596 AU), travelling at 8.53 km/second, to the Earth-Moon system on the 27th December, 2010 @ 10:42 UT ±1 minute.
Orbital elements: 2010 XN Earth MOID = 0.0041 AU Epoch 2010 July 23.0 TT = JDT 2455400.5 MPC M 183.26734 (2000.0) P Q n 0.81561242 Peri. 101.10359 -0.99981677 -0.00343678 a 1.1345235 Node 78.70149 -0.00440687 -0.91599931 e 0.3553612 Incl. 1.10033 +0.01862786 -0.40116513 P 1.21 H 24.6 G 0.15 U 9