The 220 - 490 metre wide asteroid 2018 JA will make a close pass (20.1 lunar distances, 0.05172 AU), travelling at 15.89 km/second, to the Earth on the 28th May 2018 @ 03:15 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).
