The 71 - 160 metre wide asteroid 2014 SU261 will make a close pass (21.6 lunar distances, 0.0555 AU) travelling at 27.49 km/second, to the Earth-Moon system on the 3rd October 2014 @ 16:01 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).
