The 19 - 43 metre wide asteroid 2013 TO69 will make a close pass (20.7 lunar distances, 0.0532 AU), travelling at 7.53 km/second, to the Earth-Moon system on the 24th October, 2013 @ 02:57 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).