The 40 - 90 metre wide asteroid 2008 CP will make a close pass (73.4 lunar distances, 0.1887 AU), travelling at 7.32 km/second, to the Earth-Moon system on the 9th August 2014 @ 14:48 UT ±1 day 13:13.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).