The 87 - 190 metre wide asteroid 2014 SM142 will make a close pass (47.2 lunar distances, 0.1212 AU) travelling at 17.51 km/second, to the Earth-Moon system on the 8th October 2014 @ 19:15 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).
