The 49 - 110 metre wide asteroid 2014 FL38 will make a close pass (32.1 lunar distances, 0.0824 AU), travelling at 6.11 km/second, to the Earth-Moon system on the 2nd April 2014 @ 08:59 UT ±00:26.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).