Asteroid 2007 XH16 will pass only 8.1 lunar distances (0.0208 AU) from the Earth at 19:12 UT, on December 24th, 2007. The 350 - 780 metre sized rock will appear as a magnitude 13 object. 2007 XH16 was discovered on the 8th December, 2007, by the Siding Spring Survey.