The 33 - 74 metre wide asteroid 2018 GG will make a close pass (4.69 lunar distances, 0.01204 AU), travelling at 13.91 km/second, to the Earth on the 11th April 2018 @ 22:00 UT ±00:02.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).