The 21 - 48 metre wide asteroid 2018 KC1 will make a close pass (23.1 lunar distances, 0.05942 AU), travelling at 4.30 km/second, to the Earth on the 25th May 2018 @ 07:43 UT ±00:27.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
