SATURN'S MOONS
SATELLITE # RADIUS(km) MASS(kg) DISTANCE(km) DISCOVERER DATE
Pan XVIII 9.655 ? 133,583 M. Showalter 1990
Atlas XV 20x15 ? 137,640 R. Terrile 1980
Prometheus XVI 72.5x42.5x32.5 2.7e+17 139,350 S. Collins 1980
Pandora XVII 57x42x31 2.2e+17 141,700 S. Collins 1980
Epimetheus XI 72x54x49 5.6e+17 151,422 R. Walker 1966
Janus X 98x96x75 2.01e+18 151,472 A. Dollfus 1966
Mimas I 196 3.80e+19 185,520 W. Herschel 1789
Enceladus II 250 8.40e+19 238,020 W. Herschel 1789
Tethys III 530 7.55e+20 294,660 G. Cassini 1684
Telesto XIII 17x14x13 ? 294,660 B. Smith 1980
Calypso XIV 17x11x11 ? 294,660 B. Smith 1980
Dione IV 560 1.05e+21 377,400 G. Cassini 1684
Helene XII 18x16x15 ? 377,400 Laques-Lecacheux 1980
Rhea V 765 2.49e+21 527,040 G. Cassini 1672
Titan VI 2,575 1.35e+23 1,221,850 C. Huygens 1655
Hyperion VII 205x130x110 1.77e+19 1,481,000 W. Bond 1848
Iapetus VIII 730 1.88e+21 3,561,300 G. Cassini 1671
Phoebe IX 110 4.0e+18 12,952,000 W. Pickering 1898

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