The 51 - 110 metre wide asteroid 2014 LX21 will make a close pass (26.1 lunar distances, 0.0670 AU), travelling at 6.88 km/second, to the Earth-Moon system on the 12th July 2014 @ 13:30 UT ±00:01.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
