The 32 - 71 metre wide asteroid 2015 PK57 will make a close pass (17.6 LD, 0.0452 AU) travelling at 11.29 km/second, to the Earth-Moon system on the 5th September 2015 @ 21:29 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).
