The 190 - 430 metre wide asteroid 2018 JL will make a close pass (74.8 lunar distances, 0.19232 AU), travelling at 12.53 km/second, to the Earth on the 6th June 2018 @ 16:18 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).