(153591) 2001 SN263
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- The correct title of this article is (153591) 2001 SN263. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
(153591) 2001 SN263 (also written (153591) 2001 SN263) is a small near-Earth asteroid discovered by the LINEAR project in 2001. In 2008, scientists at the Arecibo Observatory discovered that the object is orbited by two moons, and with a distance of 11.2 million km at closest approach is the closest triple asteroid system to the Earth. The three bodies are close in size: 2001 SN263 itself is 2 km in diameter, while its companions are 1 km and 0.4 km in diameter.
[edit] External links
- NASA JPL Small-Body Database Browser on 2001 SN263
- Robert Roy Britt, Triple Asteroid Found Near Earth, Space.com, 13 Feb 2008
- Emily Lakdawalla, Triple Near-Earth Asteroid Discovered The Planetary Society, 13 Feb 2008
- Images of the asteroid and its moons
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