The 880 - 2000 metre wide asteroid 242643 (2005 NZ6) will make a close pass (46.9 lunar distances, 0.12064 AU), travelling at 27.33 km/second, to the Earth on the 21st April 2018 @ 19:04 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).
