The 23 - 52 metre wide asteroid 2013 TO4 will make a close pass (6.3 lunar distances, 0.0161 AU), travelling at 9.48 km/second, to the Earth-Moon system on the 8th October 2013 @ 22:26 UT ±00:01.
See moreThe Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).