The 22 - 49 metre wide asteroid 2008 TZ will make a close pass (76.8 lunar distances, 0.19758 AU), travelling at 17.33 km/second, to the Earth on the 16th June 2018 @ 17:31 UT ±02:58.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).