The 51 - 110 metre wide asteroid 2013 RV9 will make a close pass (26.8 lunar distances, 0.0689 AU), travelling at 3.34 km/second, to the Earth-Moon system on the 8th November, 2013 @ 13:53 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).