The 31 - 68 metre wide asteroid 2017 UD1 will make a close pass (50.02 lunar distances, 0.12854 AU), travelling at 11.56 km/second, to the Earth on the 6th April 2018 @ 20:49 UT ±02:52.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
