The 40 - 89 metre wide asteroid 2015 RC made a close pass (10.5 LD, 0.0269 AU) travelling at 19.47 km/second, to the Earth-Moon system on the 8th September 2015 @ 09:44 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).
