The 510 - 1100 metre wide asteroid 2005 JA22 will make a close pass (74.7 lunar distances, 0.1920 AU), travelling at 7.38 km/second, to the Earth-Moon system on the 8th October 2013 @ 07:08 UT ±00:01.
See moreThe Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).