The 44 - 99 metre wide asteroid 2014 YC9 will make a close pass (42.2 lunar distances, 0.1083 AU) travelling at 5.26 km/second, to the Earth-Moon system on the 26th January 2015 @ 06:10 UT ±00:02.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).