The 40 - 90 metre wide asteroid 2015 LQ21 will make a close pass (12.9 LD, 0.0333 AU) travelling at 7.83 km/second, to the Earth-Moon system on the 18th June 2015 @ 18:58 UT ±00:01.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
