Satellite Home

Satellite	Distance (km)	Radius (km)	Mass (kg)	Orbital Period (d)	Discoverer	Date
Pan	133 830	10	-	0.5750	Showalter	1981
Atlas	137 640	18.5 x 17.2 x 13.5	-	0.6019	Terrile	1980
Prometheus	139 350	74 x 50 x 34	1.4 x 1017	0.612986	Collins & Carlson	1980
Pandora	141 700	55 x 44 x 31	1.3 x 1017	0.628804	Collins & Carlson	1980
Epimetheus	151 422	69 x 55 x 55	5.5 x 1017	0.694590	Fountain & Larson	1978
Janus	151 572	97 x 95 x 77	1.98 x 1018	0.694590	Dollfus	1966
Mimas	185 520	209 x 196 x 191	3.75 x 1019	0.9424218	Herschel	1789
Enceladus	238 020	256 x 247 x 245	7.3 x 1019	1.370218	Herschel	1789
Calypso	294 660	15 x 8 x 8	-	1.887802	Pascu	1980
Tethys	294 660	536 x 528 x 526	6.22 x 1020	1.887802	Cassini	1684
Telesto	295 660	15 x 12.5 x 7.5	-	1.887802	Reitsema	1980
Dione	377 400	560	1.052 x 1021	2.736915	Cassini	1684
Helene	377 400	17.5 x 16	-	2.736915	Laques	1980
Rhea	527 040	764	2.312 x 1021	4.517500	Cassini	1672
Titan	1 221 850	2 575	1.3455 x 1023	15.945421	Huygens	1644
Hyperion	1 481 100	180 x 140 x 113	-	21.276609	Bond	1848
Iapetus	3 561 300	718	1.59 x 10 21	79.330183	Cassini	1671
Pheobe	12 952 000	115 x 110 x 105	-	550.48	Pickering	1898

Satellite	Density	Orbital Inclination (degrees)	Orbital Eccentricity
Pan	-	0	0
Atlas	-	0.3	0.0030
Prometheus	~ 0.70	0	0.0024
Pandora	~ 0.70	0.1	0.0042
Epimetheus	~ 0.70	0.34 (variable)	0.0090
Janus	~ 0.67	0.34 (variable)	0.0070
Mimas	1.17	0.53	0.0202
Enceladus	1.24	0.02	0.0045
Calypso	-	0	0
Tethys	1.21	1.09	0
Telesto	-	0	0
Dione	1.43	0.02	0.0022
Helene	-	0.20	0.0050
Rhea	1.33	0.35	0.0010
Titan	1.88	0.33	0.0292
Hyperion	1.40	0.43	0.1042
Iapetus	1.21	14.72	0.0283
Pheobe	0.70	175.30	0.1633