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Post Info TOPIC: Asteroid 2013 XS21


L

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Asteroid 2013 XS21
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The 3 - 8 metre wide asteroid 2013 XS21 made a close pass (0.2 lunar distances, 0.0005 AU), travelling at 8.27 km/second, to the Earth-Moon system on the 11th December, 2013 @ 23:27 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).



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