The 85 - 190 metre wide asteroid 2015 MM116 will make a close pass (68.7 LD, 0.1766 AU) travelling at 4.78 km/second, to the Earth-Moon system on the 8th August 2015 @ 01:37 UT ±00:21.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).