The 160 - 360 metre wide asteroid 2017 NK will make a close pass (73.3 lunar distances, 0.18854 AU), travelling at 7.21 km/second, to the Earth on the 17th May 2018 @ 17:52 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).
