The 31 - 68 metre wide asteroid 2015 FP34 will make a close pass (33.0 LD, 0.0847 AU) travelling at 9.47 km/second, to the Earth-Moon system on the 30th March 2015 @ 04:05 UT ±00:03.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).