The 39 - 88 metre wide asteroid 2015 QP3 will make a close pass (23.6 LD, 0.0605 AU) travelling at 9.29 km/second, to the Earth-Moon system on the 30th August 2015 @ 01:23 UT ±00:01.
See more
The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).