* Astronomy

The 97 - 220 metre wide asteroid 2013 NC15 will made a close pass (27.0 lunar distances, 0.0695 AU), travelling at 12.88 km/second, to the Earth-Moon system on the 23rd January 2014 @ 09:08 UT ±00:05. 

See more

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