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, 02:56, October 23, 2007
Callisto is Jupiter's eighth and second largest moon. It is approximately 780,213,000 km from the sun. Callisto’s rotation and revolution periods are both approximately 17 days. It is approximately 1,883,000 km from Jupiter, and it's diameter is about 4800km. Callisto is made up of about 40% ice and 60% rock and iron, and it's surface is covered entirely with craters.