The 18 - 40 metre wide asteroid 2015 GK will make a close pass (2.8 LD, 0.0072 AU) travelling at 11.95 km/second, to the Earth-Moon system on the 13th April 2015 @ 21:32 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).
