The 20 - 45 metre wide asteroid 2014 HM132 will make a close pass (47.9 lunar distances, 0.1230 AU), travelling at 4.07 km/second, to the Earth-Moon system on the 10th June 2014 @ 00:00 UT ±01:03.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
