The 3 - 6 metre wide asteroid 2017 GM made a close pass (0.04 LD, 0.0001 AU), travelling at 18.50 km/second, to the Earth-Moon system on the 4th April 2017 @ 10:32 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).
