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| Saturnian major satellites |
Name
|
Diameter |
Mean orbital radius |
Orbital period |
Discovered |
| I |
Mimas |
397 (415 × 394 × 381) km |
185,404 km |
0,942422 d |
1789 |
| II |
Enceladus |
504 (513 × 503 × 497) |
237,950 |
1,370218 |
1789 |
| III |
Tethys |
1066 (1081 × 1062 × 1055) |
294,619 |
1,887802 |
1684 |
| IV |
Dione |
1123 (1128 × 1122 × 1121) |
377,396 |
2,736915 |
1684 |
| V |
Rhea |
1529 (1535 × 1525 × 1526) |
527,108 |
4,518212 |
1672 |
| VI |
Titan |
5151 |
1,221,930 |
15,94542 |
1655 |
| VII |
Hyperion |
292 (360 × 280 × 225) |
1,481,010 |
21,27661 |
1848 |
| VIII |
Iapetus |
1472 (1494 × 1498 × 1425) |
3,560,820 |
79,3215 |
1671 |
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