The 380 - 860 metre wide asteroid 2014 YM9 will make a close pass (40.3 LD, 0.1037 AU) travelling at 12.22 km/second, to the Earth-Moon system on the 12th February 2015 @ 23:12 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).
