Thực đơn
Vệ_tinh_tự_nhiên_của_Sao_Thổ Bảng thống kêKey | ||||
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† Major icy moons | ♠ Titan | ‡ Inuit group | ♦ Gallic group | ♣ Norse group |
Các vệ tinh tự nhiên của Sao Thổ được liệt kê dưới đây theo bán kính trung bình quỹ đạo quay quanh hành tinh chính, từ gần đến xa. Vệ tinh có khối lượng đủ để có hình dạng cân bằng thủy tĩnh được in đậm, vệ tinh dị hình có nền màu đỏ, da cam và ghi.
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] | Inclination (°) [Ghi chú 4][Ghi chú 6] | Lệch tâm | Position | Discovery year[3] | Discoverer [3] |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 | S/2009 S 1 | — | ≈ 0,3 | <&-1-1-1-1-1-10000000000.0000000.0000001 | ≈ 117,000 | ≈ 0.47 | ≈ 0° | ≈ 0 | outer B Ring | 2009 | Cassini–Huygens[2] | ||
0 | (moonlets) | 0.04 to 0.5 | <&-1-1-1-1-1-10000000000.0000000.0000001 | ≈ 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) | &-1-100000000000000.0049500.00495+0.00075 − | 133,584 | +&0000000000000000.5750500.57505 | 0.001° | &-1-1-1-1000000000000.0000350.000035 | in Encke Division | 1990 | M. Showalter | |
2 | XXXV | Daphnis | ˈdæfnɨs | 7.8 ± 1.6 (9×9×6) | &-1-1-10000000000000.0000840.000084+0.000012 − | 136,505 | +&0000000000000000.5940800.59408 | ≈ 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 | +&0000000000000000.6016900.60169 | 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 | +&0000000000000000.6129900.61299 | 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 | +&0000000000000000.6285000.62850 | 0.050° | 0.0042 | outer F Ring Shepherd | 1980 | Voyager 2 | |
6a | XI | Epimetheus | ˌɛpɨˈmiːθiːəs | 113.4 ± 3.8 (116×117×106) | &0000000000000000.5304000.53040+0.00193 − | 151,422 | +&0000000000000000.6943300.69433 | 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 | +&0000000000000000.6946600.69466 | 0.165° | 0.0068 | co-orbital | 1966 | A. Dollfus | |
8 | LIII | Aegaeon | iːˈdʒiːən | ≈ 0.5 | ~&-1-1-1-1-1-10000000000.0000000.0000001 | 167,500 | +&0000000000000000.8081200.80812 | 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 | +&0000000000000000.9424220.942422 | 1.566° | 0.0202 | 1789 | W. Herschel | ||
10 | XXXII | Methone | mɨˈθoʊniː | 3.2 ± 1.2 | ~&-1-1-1-1000000000000.0000200.00002 | 194,440 | +&0000000000000001.0095701.00957 | 0.007° | 0.0001 | Alkyonides | 2004 | Cassini–Huygens | |
11 | XLIX | Anthe | ˈænθiː | ≈ 2 | ~&-1-1-1-1-100000000000.0000070.000007 | 197,700 | +&0000000000000001.0365001.03650 | 0.1° | 0.001 | Alkyonides | 2007 | Cassini–Huygens | |
12 | XXXIII | Pallene | pəˈliːniː | 4.4 ± 0.6 (5×4×4) | ~&-1-1-1-1000000000000.0000500.00005 | 212,280 | +&0000000000000001.1537501.15375 | 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 | +&0000000000000001.3702181.370218 | 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 | +&0000000000000001.8878021.887802 | 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 | +&0000000000000001.8878021.887802 | 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 | +&0000000000000002.7369152.736915 | 0.002° | 0.0022 | 1684 | G. Cassini | ||
17a | XII | Helene | ˈhɛlɨniː | 33 ± 1.2 (39×37×25) | ~&-1000000000000000.0244600.02446 | 377,396 | +&0000000000000002.7369152.736915 | 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) | ~&-1-1-1-1000000000000.0000300.00003 | 377,396 | +&0000000000000002.7369152.736915 | 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 | +&0000000000000004.5182124.518212 | 0.327° | &-1-100000000000000.0012580.001258 | 1672 | G. Cassini | ||
21 | VI | ♠Titan | ˈtaɪtən | 5,151 | 134,520 ± 20 | 1,221,930 | +&0000000000000015.94542015.94542 | 0.3485° | 0.0288 | 1655 | C. Huygens | ||
22 | VII | †Hyperion | haɪˈpɪəriən | 266 ± 8 (328×260×214) | 5.584 ± 0.068 | 1,481,010 | +&0000000000000021.27661021.27661 | 0.568° | &0000000000000000.1230060.123006 | in 4:3 resonance with Titan | 1848 | W. Bond G. Bond W. Lassell | |
23 | VIII | †Iapetus | aɪˈæpɨtəs | 1,471.2 ± 6.0 (1495×1498×1425) | 1,805.635 ± 0.375 | 3,560,820 | +79.3215 | 7.570° | &-1000000000000000.0286130.028613 | 1671 | G. Cassini | ||
24 | XXIV | ‡Kiviuq | ˈkɪvioʊk | ≈ 16 | ~&-1-100000000000000.0027900.00279 | 11,294,800 | +448.16 | 49.087° | 0.3288 | Inuit group | 2000 | B. Gladman, J. Kavelaars, et al. | |
25 | XXII | ‡Ijiraq | ˈiː.ɨrɒk | ≈ 12 | ~&-1-100000000000000.0011800.00118 | 11,355,316 | +451.77 | 50.212° | 0.3161 | Inuit group | 2000 | B. Gladman, J. Kavelaars, et al. | |
26 | IX | ♣†Phoebe | ˈfiːbiː | 214.4 ± 12.4 (230×220×210) | 8.292 ± 0.010 | 12,869,700 | −545.09 | 173.047° | &0000000000000000.1562420.156242 | Norse group | 1899 | W. Pickering | |
27 | XX | ‡Paaliaq | ˈpɑːliɒk | ≈ 22 | ~&-1-100000000000000.0072500.00725 | 15,103,400 | +692.98 | 46.151° | 0.3631 | Inuit group | 2000 | B. Gladman, J. Kavelaars, et al. | |
28 | XXVII | ♣Skathi | ˈskɒði | ≈ 8 | ~&-1-1-10000000000000.0003500.00035 | 15,672,500 | −732.52 | 149.084° | 0.246 | Norse (Skathi) Group | 2000 | B. Gladman, J. Kavelaars, et al. | |
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 | ~&-1-1-10000000000000.0001500.00015 | 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 | ~&-1-1-10000000000000.0001500.00015 | 17,153,520 | +838.77 | 40.484° | 0.333 | Gallic group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna | |
32 | XXVIII | ♦Erriapus | ˌɛriˈæpəs | ≈ 10 | ~&-1-1-10000000000000.0006800.00068 | 17,236,900 | +844.89 | 38.109° | 0.4724 | Gallic group | 2000 | B. Gladman, J. Kavelaars, et al. | |
33 | XLVII | ♣Skoll | ˈskɒl, ˈskɜːl | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 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° | &0000000000000000.2496100.24961 | Inuit group | 2000 | B. Gladman, J. Kavelaars, et al. | |
35 | LII | ‡Tarqeq | ˈtɑrkeɪk | ≈ 7 | ~&-1-1-10000000000000.0002300.00023 | 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 | ~&-1-1-10000000000000.0001500.00015 | 18,065,700 | −906.56 | 172.666° | 0.3735 | Norse group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna | |
38 | XLIV | ♣Hyrrokkin | hɪˈrɒkɨn | ≈ 8 | ~&-1-1-10000000000000.0003500.00035 | 18,168,300 | −914.29 | 153.272° | 0.3604 | Norse (Skathi) group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna | |
39 | L | ♣Jarnsaxa | jɑrnˈsæksə | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 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, et al. | |
41 | XXV | ♣Mundilfari | ˌmʊndəlˈvɛri | ≈ 7 | ~&-1-1-10000000000000.0002300.00023 | 18,725,800 | −956.70 | 169.378° | 0.198 | Norse group | 2000 | B. Gladman, J. Kavelaars, et al. | |
42 | ♣S/2006 S 1 | — | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 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 | ~&-1-1-1-1000000000000.0000500.00005 | 19,099,200 | −985.45 | 166.881° | 0.226 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna | ||
44 | XXXVIII | ♣Bergelmir | bɛərˈjɛlmɪər | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 19,104,000 | −985.83 | 157.384° | 0.152 | Norse (Skathi) group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna | |
45 | XXXI | ♣Narvi | ˈnɑrvi | ≈ 7 | ~&-1-1-10000000000000.0002300.00023 | 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 | ~&-1-1-10000000000000.0002300.00023 | 19,579,000 | −1,022.82 | 174.321° | 0.131 | Norse group | 2000 | B. Gladman, J. Kavelaars, et al. | |
47 | XLIII | ♣Hati | ˈhɑːti | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 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 | ~&-1-1-10000000000000.0000900.00009 | 19,905,900 | −1,048.54 | 164.042° | 0.396 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna | ||
49 | XL | ♣Farbauti | fɑrˈbaʊti | ≈ 5 | ~&-1-1-10000000000000.0000900.00009 | 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 | ~&-1-1-10000000000000.0002300.00023 | 20,278,100 | −1,078.09 | 174.524° | 0.453 | Norse group | 2000 | B. Gladman, J. Kavelaars, et al. | |
51 | XXXVI | ♣Aegir | ˈaɪ.ɪər | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 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 | ~&-1-1-10000000000000.0000900.00009 | 20,518,500 | ≈ −1,100 | 177.22° | 0.130 | Norse group | 2007 | S. Sheppard, D. Jewitt, J. Kleyna | ||
53 | XXXIX | ♣Bestla | ˈbɛstlə | ≈ 7 | ~&-1-1-10000000000000.0002300.00023 | 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 | ~&-1-1-10000000000000.0001500.00015 | 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 | ~&-1-1-10000000000000.0001500.00015 | 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 | ~&-1-1-1-1000000000000.0000500.00005 | 21,930,644 | −1,212.53 | 162.832° | 0.131 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna | |
57 | XLVIII | ♣Surtur | ˈsʊərtər | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 22,288,916 | −1,242.36 | 166.918° | 0.3680 | Norse group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna | |
58 | XLV | ♣Kari | ˈkɑri | ≈ 7 | ~&-1-1-10000000000000.0002300.00023 | 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 | ~&-1-100000000000000.0039700.00397 | 22,429,673 | −1,254.15 | 172.143° | 0.3349 | Norse group | 2000 | B. Gladman, J. Kavelaars, et al. | |
60 | XLVI | ♣Loge | ˈlɔɪ.eɪ | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 22,984,322 | −1,300.95 | 166.539° | 0.1390 | Norse group | 2006 | S. Sheppard, D. Jewitt, J. Kleyna | |
61 | XLII | ♣Fornjot | ˈfɔrnjɒt | ≈ 6 | ~&-1-1-10000000000000.0001500.00015 | 24,504,879 | −1,432.16 | 167.886° | 0.186 | Norse group | 2004 | S. Sheppard, D. Jewitt, J. Kleyna |
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WikiPedia: Vệ_tinh_tự_nhiên_của_Sao_Thổ http://www.astronomycast.com/astronomy/episode-61-... http://orinetz.com/planet/animatesystem.php?ephid=... http://www.youtube.com/watch?v=xxXa9pxwzoY http://www.geoinf.fu-berlin.de/publications/denk/2... http://www.dtm.ciw.edu/users/sheppard/satellites/s... http://adsabs.harvard.edu/abs/1995Icar..117..128T http://adsabs.harvard.edu/abs/2006P&SS...54.1156G http://adsabs.harvard.edu/abs/2007Icar..190..573T http://adsabs.harvard.edu/abs/2007Natur.448...50T http://nssdc.gsfc.nasa.gov/planetary/factsheet/sat...