The 12 - 27 metre wide asteroid 2014 GS1 will make a close pass (77.0 LD, 0.1978 AU) travelling at 10.73 km/second, to the Earth-Moon system on the 31st July 2015 @ 09:21 UT ±01:32.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
