The 18 - 40 metre wide asteroid 2016 TE55 will make a close pass (57.2 lunar distances, 0.14721 AU), travelling at 16.73 km/second, to the Earth on the 8th May 2018 @ 12:58 UT ±16:11.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).