The 170 - 380 metre wide asteroid 2015 CU will make a close pass (64.4 LD, 0.1655 AU) travelling at 17.62 km/second, to the Earth-Moon system on the 21st February 2015 @ 05:03 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).
