The 52 - 120 metre wide asteroid 2018 KQ1 will make a close pass (31.6 lunar distances, 0.08126 AU), travelling at 11.18 km/second, to the Earth on the 2nd June 2018 @ 14:24 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).