The 94 - 210 metre wide asteroid 2015 FP124 will make a close pass (29.0 LD, 0.0746 AU) travelling at 17.09 km/second, to the Earth-Moon system on the 1st April 2015 @ 08:07 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).