The 410 - 910 metre wide asteroid 2010 TN54 will make a close pass (65.5 lunar distances, 0.1684 AU), travelling at 4.59 km/second, to the Earth-Moon system on the 4th August, 2013 @ 17:03 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).
