The 17 - 39 metre wide asteroid 2014 RW18 will make a close pass (6.3 lunar distances, 0.0162 AU), travelling at 7.32 km/second, to the Earth-Moon system on the 20th September 2014 @ 01:33 UT ±00:02.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
