The 8 - 19 metre wide asteroid 2015 KK57 will make a close pass (8.3 LD, 0.0214 AU) travelling at 1.50 km/second, to the Earth-Moon system on the 23rd June 2015 @ 04:00 UT ±00:05.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
