Thứ tự
| Nhãn [Ghi chú 1]
| Tên
| Phát âm (key) | Hình | Đường kính (km)[Ghi chú 2]
| Khối lượng (×1018 kg) [Ghi chú 3]
| Semi-major axis (km) [Ghi chú 4]
| Chu kỳ quỹ đạo (d) [Ghi chú 4] [Ghi chú 5]
| Độ nghiêng quỹ đạo(°) [Ghi chú 4][Ghi chú 6]
| Lệch tâm
| Vị trí | Năm phát hiện[3]
| Khám phá bởi [3]
|
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0 | | S/2009 S 1 | — | | ≈ 0,3 | <00000001 | ≈ 117,000 | ≈ 0.47 | ≈ 0° | ≈ 0 | outer B Ring | 2009 | Cassini–Huygens[2] |
0 | | (moonlets) | | | 0.04 to 0.5 | <00000001 | ≈ 130,000 | ≈ 0.55 | ≈ 0° | ≈ 0 | Three 1000-km bands within A Ring | 2006 | Cassini–Huygens |
1 | XVIII | Pan | ˈpæn | | 28.4 ± 2.6 (35×32×21) | 000495±000075 | 133,584 | +057505 | 0.001° | 0000035 | in Encke Division | 1990 | M. Showalter |
2 | XXXV | Daphnis | ˈdæfnɨs | | 7.8 ± 1.6 (9×9×6) | 0000084±0000012 | 136,505 | +059408 | ≈ 0° | ≈ 0 | in Keeler Gap | 2005 | Cassini–Huygens |
3 | XV | Atlas | ˈætləs | | 30.2 ± 2.8 (42×36×18) | 0.0066 ± 0.00006 | 137,670 | +060169 | 0.003° | 0.0012 | outer A Ring shepherd | 1980 | Voyager 2 |
4 | XVI | Prometheus | proʊˈmiːθiːəs | | 86.2 ± 5.4 (123×79×61) | 0.1566 ± 0.0019 | 139,380 | +061299 | 0.008° | 0.0022 | inner F Ring shepherd | 1980 | Voyager 2 |
5 | XVII | Pandora | pænˈdɔərə | | 80.6 ± 4.4 (103×80×64) | 0.1356 ± 0.0022 | 141,720 | +062850 | 0.050° | 0.0042 | outer F Ring Shepherd | 1980 | Voyager 2 |
6a | XI | Epimetheus | ˌɛpɨˈmiːθiːəs | | 113.4 ± 3.8 (116×117×106) | 053040±000193 | 151,422 | +069433 | 0.335° | 0.0098 | co-orbital | 1977 | J. Fountain, and S. Larson |
6b | X | Janus | ˈdʒeɪnəs | | 179.2 ± 4 (195×194×152) | 1.912 ± 0.005 | 151,472 | +069466 | 0.165° | 0.0068 | co-orbital | 1966 | A. Dollfus |
8 | LIII | Aegaeon | iːˈdʒiːən | | ≈ 0.5 | ~00000001 | 167,500 | +080812 | 0.001° | 0.0002 | G Ring moonlet | 2008 | Cassini–Huygens |
9 | I | †Mimas | ˈmaɪməs | | 396.4 ± 1.0 (415×394×381) | 37.493 ± 0.031 | 185,404 | +0942422 | 1.566° | 0.0202 | | 1789 | W. Herschel |
10 | XXXII | Methone | mɨˈθoʊniː | | 3.2 ± 1.2 | ~000002 | 194,440 | +100957 | 0.007° | 0.0001 | Alkyonides | 2004 | Cassini–Huygens |
11 | XLIX | Anthe | ˈænθiː | | ≈ 2 | ~0000007 | 197,700 | +103650 | 0.1° | 0.001 | Alkyonides | 2007 | Cassini–Huygens |
12 | XXXIII | Pallene | pəˈliːniː | | 4.4 ± 0.6 (5×4×4) | ~000005 | 212,280 | +115375 | 0.181° | 0.0040 | Alkyonides | 2004 | Cassini–Huygens |
13 | II | †Enceladus | ɛnˈsɛlədəs | | 504.2 ± 0.4 (513×503×497) | 108.022 ± 0.101 | 237,950 | +1370218 | 0.010° | 0.0047 | Generates the E ring | 1789 | W. Herschel |
14 | III | †Tethys | ˈtiːθɨs | | 1,066 ± 2.8 (1081×1062×1055) | 617.049 ± 0.132 | 294,619 | +1887802 | 0.168° | 0.0001 | | 1684 | G. Cassini |
14a | XIII | Telesto | tɨˈlɛstoʊ | | 24.8 ± 0.8 (31×24×21) | ~0.00941 | 294,619 | +1.887802 | 1.158° | 0.000 | vệ tinh Troia dẫn trước Tethys | 1980 | B. Smith, H. Reitsema, S. Larson, and J. Fountain |
14b | XIV | Calypso | kəˈlɪpsoʊ | | 21.2 ± 1.4 (30×23×14) | ~0.0063 | 294,619 | +1887802 | 1.473° | 0.000 | vệ tinh Troia đi sau Tethys | 1980 | D. Pascu, P. Seidelmann, W. Baum, and D. Currie |
17 | IV | †Dione | daɪˈoʊniː | | 1,123.4 ± 1.8 (1128×1122×1121) | 1,095.452 ± 0.168 | 377,396 | +2736915 | 0.002° | 0.0022 | | 1684 | G. Cassini |
17a | XII | Helene | ˈhɛlɨniː | | 33 ± 1.2 (39×37×25) | ~002446 | 377,396 | +2736915 | 0.212° | 0.0022 | vệ tinh Troia dẫn trước Dione | 1980 | P. Laques and J. Lecacheux |
17b | XXXIV | Polydeuces | ˌpɒliˈdjuːsiːz | | 2.6 ± 0.8 (3×2×1) | ~000003 | 377,396 | +2736915 | 0.177° | 0.0192 | vệ tinh Troia đi sau Dione | 2004 | Cassini–Huygens |
20 | V | †Rhea | ˈriːə | | 1,528.6 ± 4.4 (1534×1525×1526) | 2,306.518 ± 0.353 | 527,108 | +4518212 | 0.327° | 0001258 | | 1672 | G. Cassini |
21 | VI | ♠Titan | ˈtaɪtən | | 5,151 | 134,520 ± 20 | 1,221,930 | +1594542 | 0.3485° | 0.0288 | | 1655 | C. Huygens |
22 | VII | †Hyperion | haɪˈpɪəriən | | 266 ± 8 (328×260×214) | 5.584 ± 0.068 | 1,481,010 | +2127661 | 0.568° | 0123006 | in 4:3 resonance with Titan | 1848 | W. Bond G. Bond W. Lassell |
23 | VIII | †Iapetus | aɪˈæpɨtəs | | 1,805.635 ± 0.375 | 3,560,820 | 3,560,820 | +79.3215 | 7.570° | 0028613 | | 1671 | G. Cassini |
24 | XXIV | ‡Kiviuq | ˈkɪvioʊk | | ≈ 16 | ~000279 | 11,294,800 | +448.16 | 49.087° | 0.3288 | Inuit group | 2000 | B. Gladman, J. Kavelaars |
25 | XXII | ‡Ijiraq | ˈiː.ɨrɒk | | ≈ 12 | ~000118 | 11,355,316 | +451.77 | 50.212° | 0.3161 | Inuit group | 2000 | B. Gladman, J. Kavelaars |
26 | IX | ♣†Phoebe | ˈfiːbiː | | 214.4 ± 12.4 (230×220×210) | 8.292 ± 0.010 | 12,869,700 | −545.09 | 173.047° | 0156242 | Norse group | 1899 | W. Pickering |
27 | XX | ‡Paaliaq | ˈpɑːliɒk | | ≈ 22 | ~000725 | 15,103,400 | +692.98 | 46.151° | 0.3631 | Inuit group | 2000 | B. Gladman, J. Kavelaars |
28 | XXVII | ♣Skathi | ˈskɒði | | ≈ 8 | ~000035 | 15,672,500 | −732.52 | 149.084° | 0.246 | Norse (Skathi) Group | 2000 | B. Gladman, J. Kavelaars |
29 | XXVI | ♦Albiorix | ˌælbiˈɒrɪks | | ≈ 32 | ~0.0223 | 16,266,700 | +774.58 | 38.042° | 0.477 | Gallic group | 2000 | M. Holman |
30 | | ♣S/2007 S 2 | — | | ≈ 6 | ~000015 | 16,560,000 | −792.96 | 176.68° | 0.2418 | Norse group | 2007 | S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden |
31 | XXXVII | ♦Bebhionn | bɛˈviːn, ˈvɪvi.ɒn | | ≈ 6 | ~000015 | 17,153,520 | +838.77 | 40.484° | 0.333 | Gallic group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
32 | XXVIII | ♦Erriapus | ˌɛriˈæpəs | | ≈ 10 | ~000068 | 17,236,900 | +844.89 | 38.109° | 0.4724 | Gallic group | 2000 | B. Gladman, J. Kavelaars |
33 | XLVII | ♣Skoll | ˈskɒl, ˈskɜːl | | ≈ 6 | ~000015 | 17,473,800 | −862.37 | 155.624° | 0.418 | Norse (Skathi) group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna |
34 | XXIX | ‡Siarnaq | ˈsiːɑrnək | | ≈ 40 | ~0.0435 | 17,776,600 | +884.88 | 45.798° | 024961 | Inuit group | 2000 | B. Gladman, J. Kavelaars |
35 | LII | ‡Tarqeq | ˈtɑrkeɪk | | ≈ 7 | ~000023 | 17,910,600 | +894.86 | 49.904° | 0.1081 | Inuit group | 2007 | S. Sheppard, D. Jewitt, J. Kleyna |
36 | | ♣S/2004 S 13 | — | | ≈ 6 | ~0.00015 | 18,056,300 | −905.85 | 167.379° | 0.261 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
37 | LI | ♣Greip | ˈɡreɪp | | ≈ 6 | ~000015 | 18,065,700 | −906.56 | 172.666° | 0.3735 | Norse group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna |
38 | XLIV | ♣Hyrrokkin | hɪˈrɒkɨn | | ≈ 8 | ~000035 | 18,168,300 | −914.29 | 153.272° | 0.3604 | Norse (Skathi) group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna |
39 | L | ♣Jarnsaxa | jɑrnˈsæksə | | ≈ 6 | ~000015 | 18,556,900 | −943.78 | 162.861° | 0.1918 | Norse group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna |
40 | XXI | ♦Tarvos | ˈtɑrvɵs | | ≈ 15 | ~0.0023 | 18,562,800 | +944.23 | 34.679° | 0.5305 | Gallic group | 2000 | B. Gladman, J. Kavelaars |
41 | XXV | ♣Mundilfari | ˌmʊndəlˈvɛri | | ≈ 7 | ~000023 | 18,725,800 | −956.70 | 169.378° | 0.198 | Norse group | 2000 | B. Gladman, J. Kavelaars |
42 | | ♣S/2006 S 1 | — | | ≈ 6 | ~000015 | 18,930,200 | −972.41 | 154.232° | 0.1303 | Norse (Skathi) group | 2006 | S. Sheppard, D.C. Jewitt, J. Kleyna |
43 | | ♣S/2004 S 17 | — | | ≈ 4 | ~000005 | 19,099,200 | −985.45 | 166.881° | 0.226 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
44 | XXXVIII | ♣Bergelmir | bɛərˈjɛlmɪər | | ≈ 6 | ~000015 | 19,104,000 | −985.83 | 157.384° | 0.152 | Norse (Skathi) group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
45 | XXXI | ♣Narvi | ˈnɑrvi | | ≈ 7 | ~000023 | 19,395,200 | −1,008.45 | 137.292° | 0.320 | Norse (Narvi) group | 2003 | S. Sheppard, D. Jewitt, J. Kleyna |
46 | XXIII | ♣Suttungr | ˈsʊtʊŋɡər | | ≈ 7 | ~000023 | 19,579,000 | −1,022.82 | 174.321° | 0.131 | Norse group | 2000 | B. Gladman, J. Kavelaars |
47 | XLIII | ♣Hati | ˈhɑːti | | ≈ 6 | ~000015 | 19,709,300 | −1,033.05 | 163.131° | 0.291 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
48 | | ♣S/2004 S 12 | — | | ≈ 5 | ~000009 | 19,905,900 | −1,048.54 | 164.042° | 0.396 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
49 | XL | ♣Farbauti | fɑrˈbaʊti | | ≈ 5 | ~000009 | 19,984,800 | −1,054.78 | 158.361° | 0.209 | Norse (Skathi) group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
50 | XXX | ♣Thrymr | ˈθrɪmər | | ≈ 7 | ~000023 | 20,278,100 | −1,078.09 | 174.524° | 0.453 | Norse group | 2000 | B. Gladman, J. Kavelaars |
51 | XXXVI | ♣Aegir | ˈaɪ.ɪər | | ≈ 6 | ~000015 | 20,482,900 | −1,094.46 | 167.425° | 0.237 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
52 | | ♣S/2007 S 3 | — | | ≈ 5 | ~000009 | 20,518,500 | ≈ −1,100 | 177.22° | 0.130 | Norse group | 2007 | S. Sheppard, D. Jewitt, J. Kleyna |
53 | XXXIX | ♣Bestla | ˈbɛstlə | | ≈ 7 | ~000023 | 20,570,000 | −1,101.45 | 147.395° | 0.77 | Norse (Narvi) group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
54 | | ♣S/2004 S 7 | — | | ≈ 6 | ~000015 | 20,576,700 | −1,101.99 | 165.596° | 0.5299 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
55 | | ♣S/2006 S 3 | — | | ≈ 6 | ~000015 | 21,076,300 | −1,142.37 | 150.817° | 0.4710 | Norse (Skathi) group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna |
56 | XLI | ♣Fenrir | ˈfɛnrɪər | | ≈ 4 | ~000005 | 21,930,644 | −1,212.53 | 162.832° | 0.131 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
57 | XLVIII | ♣Surtur | ˈsʊərtər | | ≈ 6 | ~000015 | 22,288,916 | −1,242.36 | 166.918° | 0.3680 | Norse group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna |
58 | XLV | ♣Kari | ˈkɑri | | ≈ 7 | ~000023 | 22,321,200 | −1,245.06 | 148.384° | 0.3405 | Norse (Skathi) group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna |
59 | XIX | ♣Ymir | ˈɪmɪər | | ≈ 18 | ~000397 | 22,429,673 | −1,254.15 | 172.143° | 0.3349 | Norse group | 2000 | B. Gladman, J. Kavelaars |
60 | XLVI | ♣Loge | ˈlɔɪ.eɪ | | ≈ 6 | ~000015 | 22,984,322 | −1,300.95 | 166.539° | 0.1390 | Norse group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna |
61 | XLII | ♣Fornjot | ˈfɔrnjɒt | | ≈ 6 | ~000015 | 24,504,879 | −1,432.16 | 167.886° | 0.186 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |