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Sentry is a highly automated collision monitoring system that continually scans the most current asteroid catalog for possibilities of future impact with Earth over the next 100 years. Whenever a potential impact is detected it will be analyzed and the results immediately published on the Near Earth Object Program 

See also: http://neo.jpl.nasa.gov/news/news126.html 
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Last updated on Wednesday May 09, 2007 at 11:51:15 PDT (GMT -0700)
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This article is licensed under the GNU Free Documentation License.
Last updated on Wednesday May 09, 2007 at 11:51:15 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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