The 35 - 78 metre wide asteroid 2015 FT33 will make a close pass (32.7 LD, 0.0840 AU) travelling at 5.54 km/second, to the Earth-Moon system on the 1st May 2015 @ 06:49 UT ±00:07.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).