19P/Borrelly

作者：Greg Frieger FarGetaNik

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19P/Borrelly is a Jupiter-family comet that completes an orbit around the Sun once every 6.85 years. It is about 8 km in diameter, and was the fourth comet ever visited by a spacecraft when Deep Space 1 flew by its nucleus at a distance of 2,171 km in Sept 2001.

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