This is the Web Edition of "A Trip Into Space", a Coimbra-based electronic book on space science. Both the texts and the photos are by courtesy of National Aeronautics and Space Administration.
| This is the Web Edition of "A Trip Into Space", a Coimbra-based electronic book on space science. Both the texts and the photos are by courtesy of National Aeronautics and Space Administration.
|
A Trip Into Space  Fact Sheets Saturnian Satellite Fact Sheet |
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| See also: Notes On The Fact Sheets |   |
Mass Radius Mean density Visual geometric albedo
(1020 kg) (km) (kg/m3)
Major Satellites
Mimas (SI) 0.375 209 x 196 x 191 1,140 0.5
Enceladus (SII) 0.73 256 x 247 x 245 1,120 1.0
Tethys (SIII) 6.22 536 x 528 x 526 1,000 0.9
Dione (SIV) 11.0 560 1,440 0.7
Rhea (SV) 23.1 764 1,240 0.7
Titan (SVI) 1,345.5 2,575 1,881 0.22
Hyperion (SVII) 0.2 185 x 140 x 113 0.3
Iapetus (SVIII) 15.9 718 1,020 0.05 / 0.5
Lesser Satellites
Pan (SXVIII) 10 0.5
Atlas (SXV) 18.5 x 17.2 x 13.5 0.8
Prometheus (SXVI) 0.0014 74 x 50 x 34 270 0.5
Pandora (SXVII) 0.0013 55 x 44 x 31 420 0.7
Epimetheus (SXI) 0.0054 69 x 55 x 55 630 0.8
Janus (SX) 0.0192 97 x 95 x 77 650 0.9
Calypso (SXIV) 15 x 8 x 8 1.0
Telesto (SXII) 15 x 12.5 x 7.5 1.0
Helene (SXII) 18 x 16 x 15 0.7
Phoebe (SIX) 0.004 115 x 110 x 105 0.06
Semimajor axis Period* Inclination Eccentricity
(103 km) (Saturnian Radii) (days) (degrees)
Major Satellites
Mimas (SI) 185.52 3.0751 0.9424218 1.53 0.0202
Enceladus (SII) 238.02 3.9453 1.370218 0.00 0.0045
Tethys (SIII) 294.66 4.8841 1.887802 1.86 0.0000
Dione (SIV) 377.40 6.2556 2.736915 0.02 0.0022
Rhea (SV) 527.04 8.7360 4.517500 0.35 0.0010
Titan (SVI) 1,221.83 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 14.72 0.0283
Lesser Satellites
Pan (SXVIII) 133.583 2.2142 0.5750
Atlas (SXV) 137.670 2.2820 0.6019 0.3 0.000
Prometheus (SXVI) 139.353 2.3098 0.6130 0.0 0.0024
Pandora (SXVII) 141.700 2.3512 0.6285 0.0 0.0042
Epimetheus (SXI) 151.422 2.5099 0.6942 0.34 0.009
Janus (SX) 151.472 2.5107 0.6945 0.14 0.007
Calypso (SXIV) 294.66 4.8841 1.8878 ~0 ~0
Telesto (SXII) 294.66 4.8841 1.8878 ~0 ~0
Helene (SXII) 377.40 6.256 2.7369 0.0 0.005
Phoebe (SIX) 12,952 214.69 550.48R 175.3 0.1633
*R indicates retrograde motion
Last Update: 2004-Nov-27