The 220 - 490 metre wide asteroid 2000 TU28 made a close pass (0.2698 AU), travelling at 15.14 km/second, to the Earth-Moon system on the 25th April, 2012 @ 17:14 UT
The 220 - 490 metre wide asteroid 2000 TU28 will make a close pass (26.3 lunar distances, 0.0675 AU), travelling at 9.10 km/second, to the Earth-Moon system on the 23rd October, 2010 @ 14:33 UT. See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).