The 41 - 91 metre wide asteroid 2015 CJ13 will make a close pass (8.5 LD, 0.0218 AU) travelling at 14.79 km/second, to the Earth-Moon system on the 15th February 2015 @ 22:09 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).