The 180 - 410 metre wide asteroid 2014 KE46 will make a close pass (73.0 lunar distances, 0.1875 AU), travelling at 11.07 km/second, to the Earth-Moon system on the 21st August 2014 @ 15:02 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).
