The 240 - 540 metre wide asteroid 2009 WX51 will make a close pass (57.0 lunar distances, 0.1465 AU), travelling at 15.93 km/second, to the Earth-Moon system on the 25th December, 2009.
The 260 - 580 metre wide asteroid 2009 WX51 will make a close pass (58.3 lunar distances, 0.1498 AU), travelling at 15.63 km/second, to the Earth-Moon system on the 26th December, 2009.
Orbital elements: 2009 WX51 PHA, Earth MOID = 0.0156 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 354.89727 (2000.0) P Q n 0.18618189 Peri. 117.02463 -0.85364522 -0.51283392 a 3.0374637 Node 32.35891 +0.39691489 -0.75369879 e 0.7340858 Incl. 9.79526 +0.33726608 -0.41102251 P 5.29 H 20.0 G 0.15 U 9