The 55 - 120 metre wide asteroid 2014 JA31 will make a close pass (25.6 lunar distances, 0.0657 AU), travelling at 14.39 km/second, to the Earth-Moon system on the 17th May 2014 @ 01:45 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).
