The 100 - 230 metre wide asteroid 2013 UF3 will make a close pass (48.7 lunar distances, 0.1250 AU), travelling at 17.44 km/second, to the Earth-Moon system on the 23rd November, 2013 @ 23:24 UT ±00:01
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
