Saturn's moons
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Saturn's satellites and ring structures
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| Name | Distance to Saturn centre (km) | Diameter (km) | Orbit period (Earth days) | Discovered by | | Pan | 133 583 | 20 | 0.58 | Mark R. Showalter. Voyager 2, 1990 | | Atlas | 137 670 | 27 x 37 | 0.60 | R. Terrile. Voyager 1, 1980 | | Prometheus | 139 353 | 68 x 148 | 0.61 | S.A. Collins. D. Carlson. Voyager 1, 1980 | | Pandora | 141 700 | 52 x 110 | 0.63 | S. A. Collins. D. Carlson. Voyager 1, 1980 | | Epimetheus | 151 422 | 110 x 138 | 0.69 | R. Walker. J. Fountain. S. Larson, 1966/1978 | | Janus | 151 472 | 154 x 194 | 0.69 | Audouin Dollfus, 1966 | | Mimas | 185 520 | 383 x 418 | 0.94 | William Herschel, 1789 | | Enceladus | 238 020 | 489 x 513 | 1.37 | William Herschel, 1789 | | Tethys | 294 660 | 1051 x 1071 | 1.89 | G.D. Cassini, 1684 | | Telesto | 294 660 | 15 x 30 | 1.89 | B. Smith. H. Reitsema. S. Larson. J. Fountain, 1980 | | Calypso | 294 660 | 16 x 30 | 1.89 | D. Pascu. P.K. Seidelmann. W. Baum. D. Currie, 1980 | | Dione | 377 400 | 1120 | 2.74 | G.D. Cassini, 1684 | | Helene | 377 400 | 30 x 36 | 2.74 | P. Laques. J. Lecacheus, 1980 | | Rhea | 527 040 | 1528 | 4.52 | G.D. Cassini, 1672 | | Titan | 1 221 830 | 5150 | 15.95 | C. Huygens, 1655 | | Hyperion | 1 481 100 | 225 x 360 | 21.28 | W. & G. Bond. W. Lassell, 1848 | | Iapetus | 3 561 300 | 1436 | 79.33 | G.D. Cassini, 1671 | | Phoebe | 12 952 000 | 220 | 550.48* | W. Pickering, 1898 |
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There are another 13 moons without official data. Their names are: Ymir, Paaliaq, Siarnaq, Tarvos, Kiviuq, Ijiraq, Thrym, Skadi/Skathi, Mundilfari, Erriapo, Albiorix, Suttung/Suttungr and S/2003 S1.
* indicates 'retrograde' orbit, i.e. the opposite way to the other moons.
Last update: 25 June 2004
| | | • | At Saturn and Titan (http://www.esa.int/SPECIALS/Cassini-Huygens/index.html) | |
More about...
| | • | More on Saturn's moons (http://sci.esa.int/science-e/www/object/index.cfm?fobjectid=35229 &fbodylongid=1648) | |
Related articles
| | • | Unusual geology seen during Enceladus fly-by (http://www.esa.int/SPECIALS/Cassini-Huygens/SEMVTX808BE_0.html) | | | • | Huygens 3D animation of Titan's surface (http://www.esa.int/SPECIALS/Cassini-Huygens/SEMO8G808BE_0.html) | | | • | Cassini finds atmosphere on Enceladus (http://www.esa.int/SPECIALS/Cassini-Huygens/SEM9RC2IU7E_0.html) | | | • | Icy surface of Enceladus (http://www.esa.int/SPECIALS/Cassini-Huygens/SEMCVP5TI8E_0.html) | | | • | Sounds of Enceladus (http://www.esa.int/SPECIALS/Cassini-Huygens/SEM1PO5TI8E_0.html) | | | • | Hydrocarbon lake on Titan? (http://www.esa.int/SPECIALS/Cassini-Huygens/SEM3SP5DIAE_0.html) | | | • | Cassini's Hyperion fly-by (http://www.esa.int/SPECIALS/Cassini-Huygens/SEMQUK6DIAE_0.html) | |
Related links
| | • | NASA JPL Cassini-Huygens site (http://saturn.jpl.nasa.gov/home/index.cfm) | | | • | Italian Space Agency (ASI) (http://www.asi.it) | | | • | Space Science Institute (http://ciclops.lpl.arizona.edu/) | | | • | CIS team (http://cirs.gsfc.nasa.gov/) | |
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