Solar System: Saturn’s moons

Mimas Mean Distance from Saturn 185,520 km (115,277 miles) Orbital Period around Saturn 0.942422 Earth days Mean Diameter 392 km (244 miles) Year Discovered 1789 Enceladus Mean Distance from Saturn 238,200 km (148,011 miles) Orbital Period around Saturn 1.370218 Earth days Mean Diameter 498 km (309 miles) Year Discovered 1789 Tethys Mean Distance from Saturn 294,660 km (183,093 miles) Orbital Period around Saturn 1.887802 Earth days Mean Diameter 1060 km (659 miles) Year Discovered 1684 Dione Mean Distance from Saturn 377,400 km (234,505 miles) Orbital Period around Saturn 2.736915 Earth days Mean Diameter 1120 km (696 miles) Year Discovered 1684 Rhea Mean Distance from Saturn 527,040 km (327,487 miles) Orbital Period around Saturn 4.5175 Earth days Mean Diameter 1530 km (951 miles) Year Discovered 1672 Titan Mean Distance from Saturn 1,221,830 km (759,210 miles) Orbital Period around Saturn 15.94542 Earth days Mean Diameter 5150 km (3200 miles) Year Discovered 1655 Hyperion Mean Distance from Saturn 1,481,100 km (920,313 miles) Orbital Period around Saturn 21.27661 Earth days Mean Diameter 286 km (177.7 miles) Year Discovered 1848 Iapetus Mean Distance from Saturn 3,561,300 km (2,212,889 miles) Orbital Period around Saturn 79.33018 Earth days Mean Diameter 1460 km (907 miles) Year Discovered 1671 Phoebe Mean Distance from Saturn 12,952,000 km (804,800 miles) Orbital Period around Saturn 550.48 Earth days Mean Diameter 220 km (136.7 miles) Year Discovered 1898 Original images located on various NASA websites including: http://photojournal.jpl.nasa.gov/index.html and http://nssdc.gsfc.nasa.gov/photo_gallery/