The 28 - 62 metre wide asteroid 2014 TJ17 will make a close pass (14.6 lunar distances, 0.0376 AU) travelling at 8.68 km/second, to the Earth-Moon system on the 12th October 2014 @ 17:16 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).