The 380 - 860 metre wide asteroid 2003 EG16 will make a close pass (43.1 lunar distances, 0.1108 AU), travelling at 18.34 km/second, to the Earth-Moon system on the 16th August 2014 @ 17:44 UT ±00:01.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).