* Astronomy

The 280 - 630 metre wide asteroid 2002 QC7 will make a close pass (27.8 lunar distances, 0.0714 AU), travelling at 15.17 km/second, to the Earth-Moon system on the 28th February, 2012 @ 16:52 UT ±00:01.

See more

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).