The 100 - 230 metre wide asteroid 2014 KS40 will make a close pass (19.1 lunar distances, 0.0491 AU), travelling at 6.80 km/second, to the Earth-Moon system on the 12th June 2014 @ 15:45 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).
