The 67 - 150 metre wide asteroid 2015 FY35 will make a close pass (77.4 LD, 0.1990 AU) travelling at 7.29 km/second, to the Earth-Moon system on the 26th May 2015 @ 04:12 UT ±00:06.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).