The 7 - 16 metre wide asteroid 2013 CW129 will make a close pass (69.2 lunar distances, 0.1778 AU), travelling at 21.91 km/second, to the Earth-Moon system on the 28th September 2014 @ 22:49 UT ±19:53.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
