Janus
![](../../images/Planets/saturn/Janus_sm.gif)
Mean Distance from Saturn | 151,472 km (94,120 miles) |
Orbital Period around Saturn | 0.6945 Earth days |
Mean Diameter | 178 km (110.6 miles) |
Year Discovered | 1966 |
Epimetheus
![](../../images/Planets/saturn/Epimetheus_sm.gif)
Mean Distance from Saturn | 151,422 km (94,089 miles) |
Orbital Period around Saturn | 0.6942 Earth days |
Mean Diameter | 115 km (71.5 miles) |
Year Discovered | 1966 (rediscovered 1980) |
Helene
![](../../images/Planets/saturn/Helene.gif)
Mean Distance from Saturn | 377,400 km (234,505 miles) |
Orbital Period around Saturn | 2.7369 Earth days |
Mean Diameter | 33 km (20.5 miles) |
Year Discovered | 1980 |
Telesto
![](../../images/Planets/saturn/Telesto_sm.jpg)
Mean Distance from Saturn | 294,660 km (183,093 miles) |
Orbital Period around Saturn | 1.8878 Earth days |
Mean Diameter | 29 km (18.02 miles) |
Year Discovered | 1980 |
Calypso
![](../../images/Planets/saturn/Calypso.gif)
Mean Distance from Saturn | 294,660 km (183,093 miles) |
Orbital Period around Saturn | 1.8878 Earth days |
Mean Diameter | 26 km (16.2 miles) |
Year Discovered | 1980 |
Atlas
![](../../images/Planets/saturn/Atlas.gif)
Mean Distance from Saturn | 137,670 km (85,544 miles) |
Orbital Period around Saturn | 0.6019 Earth days |
Mean Diameter | 30 km (18.6 miles) |
Year Discovered | 1980 |
Prometheus
![](../../images/Planets/saturn/Prometheus_sm.jpg)
Mean Distance from Saturn | 139,350 km (86,588 miles) |
Orbital Period around Saturn | 0.6130 Earth days |
Mean Diameter | 91 km (56.5 miles) |
Year Discovered | 1980 |
Pandora
![](../../images/Planets/saturn/Pandora.jpg)
Mean Distance from Saturn | 141,700 km (88,048 miles) |
Orbital Period around Saturn | 0.6285 Earth days |
Mean Diameter | 84 km (52.2 miles) |
Year Discovered | 1980 |
Pan
![](../../images/Planets/saturn/Pan_sm.jpg)
Mean Distance from Saturn | 133,583 km (83,005 miles) |
Orbital Period around Saturn | 0.5750 Earth days |
Mean Diameter | 20 km (12.4 miles) |
Year Discovered | 1990 |
Original images located on various NASA websites including: http://photojournal.jpl.nasa.gov/index.html and http://nssdc.gsfc.nasa.gov/photo_gallery/