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Janus


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One of the lesser satellites of Saturn, with a radius measuring 99.3 × 95.6 × 75.6 km; mass 0.0198 × 1020 kg; mean density 650 kg/m3; visual albedo 0.8. It was discovered in 1966 by A. Dolfus, Gerard Kuiper, J. Fountain, and S. Larsen.


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