The 72 - 160 metre wide asteroid 2014 EH45 will make a close pass (49.8 lunar distances, 0.1279 AU), travelling at 12.02 km/second, to the Earth-Moon system on the 1st April 2014 @ 01:57 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).