The 72 - 160 metre wide asteroid 2015 KS121 will make a close pass (59.6 LD, 0.1532 AU) travelling at 14.54 km/second, to the Earth-Moon system on the 15th June 2015 @ 16:24 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).
