Saturnian Satellite Data

Bulk parameters

                           Mass         Radius     Mean density    Vis. geom. albedo
                          (e20 kg)       (km)       (kg/m3)
Major Satellites
Mimas (SI)               37.5e18         198.8         1,140              0.5
Enceladus (SII)            73e18         249.1         1,120              1.0
Tethys (SIII)             622e18         529.9         1,000              0.9
Dione (SIV)             1.052e21         560           1,440              0.7
Rhea (SV)                2.31e21         764           1,240              0.7
Titan (SVI)            134.55e21       2,575           1,881              0.21
Hyperion (SVII)                    185 x 140 x 113                    0.19 - 0.25
Iapetus (SVIII)          1.59e21         718           1,020          0.05 - 0.5

Lesser Satellites
Pan (SXVIII)                              10                              0.5
Atlas (SXV)                       18.5 x 17.2 x 13.5                      0.9
Prometheus (SXVI)        0.14e18      74 x 50 x 34       270              0.6
Pandora (SXVII)          0.13e18      55 x 44 x 31       420              0.9
Epimetheus (SXI)         0.55e18      69 x 55 x 55       630              0.8
Janus (SX)               1.98e18   99.3 x 95.6 x 75.6    650              0.8
Calypso (SXIV)                       15 x 8 x 8                           0.6
Telesto (SXII)                     15 x 12.5 x 7.5                        0.5
Helene (SXII)                             16                              0.7
Phoebe (SIX)                       115 x 110 x 105                        0.06

Orbital parameters

                              Semimajor axis        Period*  Inclination  Eccentricity
                            (e3 km)      (Rs)         (d)        (deg)
Major Satellites
Mimas (SI)                  185.52      3.0751      0.9424218     1.53      0.0202
Enceladus (SII)             238.02      3.9453      1.370218      0.02      0.0045
Tethys (SIII)               294.66      4.8841      1.887802      1.09      0.0000
Dione (SIV)                 377.40      6.2556      2.736915      0.02      0.0022
Rhea (SV)                   527.04      8.7360      4.517500      0.35      0.001
Titan (SVI)               1,221.85     20.253      15.945421      0.33      0.0292
Hyperion (SVII)           1,481.1      24.550      21.276609      0.43      0.1042
Iapetus (SVIII)           3,561.3      59.030      79.330183      7.52      0.0283

Lesser Satellites
Pan (SXVIII)                133.583     2.2142      0.5750
Atlas (SXV)                 137.64      2.2815      0.6019       ~0        ~0
Prometheus (SXVI)           139.35      2.3098      0.612986      0.0       0.0024
Pandora (SXVII)             141.7       2.349       0.628804      0.0       0.0042
Epimetheus (SXI)            151.422     2.5099      0.694590      0.34      0.009
Janus (SX)                  151.472     2.5107      0.694590      0.14      0.007
Calypso (SXIV)              294.66      4.8841      1.887802     ~0        ~0
Telesto (SXII)              294.66      4.8841      1.887802     ~0        ~0
Helene (SXII)               377.4       6.256       2.736915      0.2       0.005
Phoebe (SIX)             12,952       214.69      550.48R       175.3       0.163