The 230 - 500 metre wide asteroid 2014 MX17 will make a close pass (64.5 lunar distances, 0.1658 AU), travelling at 23.94 km/second, to the Earth-Moon system on the 28th June 2014 @ 16:54 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).
