The 76 - 170 metre wide asteroid 2018 HC will make a close pass (29.1 lunar distances, 0.07486 AU), travelling at 17.05 km/second, to the Earth on the 4th May 2018 @ 18:29 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).
