Orbital elements: 2003 WP7 = 2010 WD3 = 2010 XK3 Earth MOID = 0.0018 AU Id. A. Lowe, G. V. Williams (d) Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC M 5.37160 (2000.0) P Q n 0.28099005 Peri. 240.84400 -0.63584349 -0.77165090 a 2.3085649 Node 248.64755 +0.71398472 -0.58016831 e 0.6431720 Incl. 0.98808 +0.29313629 -0.26069067 P 3.51 H 23.2 G 0.15 U 1
The 57 - 130 metre wide asteroid 2003 WP7 will make a close pass (39.6 lunar distances, 0.1017 AU), travelling at 11.53 km/second, to the Earth-Moon system on the 24th December, 2010.