The 24 - 53 metre wide asteroid 2018 GH5 will make a close pass (12.1 lunar distances, 0.03115 AU), travelling at 12.68 km/second, to the Earth on the 27th April 2018 @ 05:09 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).