The 200 - 450 metre wide asteroid 2015 OM will make a close pass (39.7 LD, 0.1020 AU) travelling at 27.37 km/second, to the Earth-Moon system on the 29th July 2015 @ 00:19 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).
