The 49 - 110 metre wide asteroid 2018 JV2 will make a close pass (52.5 lunar distances, 0.13511 AU), travelling at 2.71 km/second, to the Earth on the 24th May 2018 @ 00:15 UT ±00:24.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).