The 6 - 14 metre wide asteroid 2017 WT28 will make a close pass (63.0 lunar distances, 0.1619 AU), travelling at 4.30 km/second, to the Earth on the 11th April 2018 @ 00:54 UT ±00:48.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
