The 77 - 170 metre wide asteroid 2009 CD made a close pass (49.0 lunar distances, 0.1258 AU) travelling at 12.35 km/second, to the Earth-Moon system on the 27th January 2015 @ 10:20 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).
