The 19 - 42 metre wide asteroid 2015 KT121 will make a close pass (33.3 LD, 0.0856 AU) travelling at 5.34 km/second, to the Earth-Moon system on the 5th June 2015 @ 23:08 UT ±01:33.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
