The 24 - 53 metre wide asteroid 2014 TT will make a close pass (35.2 lunar distances, 0.0905 AU) travelling at 8.84 km/second, to the Earth-Moon system on the 10th October 2014 @ 04:30 UT ±00:21.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).