The 37 - 82 metre wide asteroid 2016 HE3 will make a close pass (45.2 lunar distances, 0.116 AU), travelling at 10.73 km/second, to the Earth on the 25th March 2018 @ 04:16 UT ±08:42.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
