The 35 - 78 metre wide asteroid 2018 LF1 will make a close pass (15.5 lunar distances, 0.04003 AU), travelling at 13.97 km/second, to the Earth on the 16th June 2018 @ 23:47 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).