The 70 - 160 metre wide asteroid 2014 HW177 will make a close pass (69.5 lunar distances, 0.1786 AU), travelling at 9.25 km/second, to the Earth-Moon system on the 25th May 2014 @ 02:42 UT ±00:11.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
