FANDOM


Order Label Name Pronunciation (key) Image Diameter (km)[note 1] Mass
(×1018 kg)[note 2]
Semi-major axis (km)[note 3] Orbital period (d)[note 4][note 3] Inclination (°) [note 5][note 3] Eccentricity[note 3] Position Discovery
year
[9][10][11]
Discoverer
[12]
0 (moonlets) 0.04 to 0.5 <0.0000001 ≈ 130 000 Three 1000-km bands within A Ring 2006 Cassini–Huygens
1 XVIII Pan ˈpæn
Pan side view
30 (35×35×23) 0.00495 ± 0.00075 133 584 +0.575 05 0.001° 0.000 035 in Encke Division 1990 M. Showalter
2 XXXV Daphnis ˈdæfnɨs
PIA06237
6 − 8 0.000084 ± 0.000012 136 505 +0.594 08 ≈ 0° ≈ 0 in Keeler Gap 2005 Cassini–Huygens
3 XV Atlas ˈætləs
Cassini Atlas N00084634 CL
31 (46×38×19) 0.0066 ± 0.00006 137 670 +0.601 69 0.003° 0.001 2 outer A Ring shepherd 1980 Voyager 2
4 XVI Prometheus proʊˈmiːθiːəs
Prometheus moon
86 (119×87×61) 0.1566 ± 0.0019 139 380 +0.612 99 0.008° 0.002 2 inner F Ring shepherd 1980 Voyager 2
5 XVII Pandora pænˈdoʊrə
Pandora PIA07632
81 (103×80×64) 0.1356 ± 0.0022 141 720 +0.628 50 0.050° 0.004 2 outer F Ring Shepherd 1980 Voyager 2
6a XI Epimetheus ˌɛpɨˈmiːθiːəs 50px 113 (135×108×105) 0.5304 ± 0.00193 151 422 +0.694 33 0.335° 0.009 8 co-orbital 1980 Voyager 2
6b X Janus ˈdʒeɪnəs 179 (193×173×137) 1.912 ± 0.005 151 472 +0.694 66 0.165° 0.006 8 co-orbital 1966 A. Dollfus
8 LIII Aegaeon iːˈdʒiːən ≈ 0.5 ~0.0000001 167 500 +0.808 12 0.001° 0.000 2 G-ring moonlet 2008 [13] Cassini–Huygens
9 I Mimas ˈmaɪməs
Mimas moon
397 (415×394×381) 37.493 ± 0.031 185 404 +0.942 422 1.566° 0.020 2   1789 W. Herschel
10 XXXII Methone mɨˈθoʊniː
Methone (frame 15)
≈ 3 ~0.00002 194 440 +1.009 57 0.007° 0.000 1 Alkyonides 2004 Cassini–Huygens
11 XLIX Anthe ˈænθiː ≈ 2 ~0.000007 197 700 +1.036 50 0.1° 0.001 Alkyonides 2007 Cassini–Huygens
12 XXXIII Pallene pəˈliːniː
S2004s2 040601
4 ~0.00005 212 280 +1.153 75 0.181° 0.004 0 Alkyonides 2004 Cassini–Huygens
13 II Enceladus ɛnˈsɛlədəs
EN011 Color mosaic
504 (513×503×497) 108.022 ± 0.101 237 950 +1.370 218 0.010° 0.004 7 Generates the E ring 1789 W. Herschel
14 III Tethys ˈtiːθɨs 1066 (1081×1062×1055) 617.049 ± 0.132 294 619 +1.887 802 0.168° 0.000 1   1684 G.D. Cassini
14a XIII Telesto tɨˈlɛstoʊ
Telesto cassini closeup
24 (29×22×20) ~0.00941 294 619 +1.887 802 1.158° 0.000 leading Tethys trojan 1980 Voyager 2
14b XIV Calypso kəˈlɪpsoʊ
Calypso image PIA07633
21 (30×23×14) ~0.00063 294 619 +1.887 802 1.473° 0.000 trailing Tethys trojan 1980 Voyager 2
17 IV Dione daɪˈoʊniː 1123 (1128×1122×1121) 1095.452 ± 0.168 377 396 +2.736 915 0.002° 0.002 2   1684 G.D. Cassini
17a XII Helene ˈhɛlɨniː
Cassini Helene N00086698 CL.jpg
33 (36×32×30) ~0.02446 377 396 +2.736 915 0.212° 0.002 2 leading Dione trojan 1980 Voyager 2
17b XXXIV Polydeuces ˌpɒliˈdjuːsiːz
Polydeuces
3.5 ~0.00003 377 396 +2.736 915 0.177° 0.019 2 trailing Dione trojan 2004 Cassini–Huygens
20 V Rhea ˈriːə
Rhea (moon) thumb
1529 (1535×1525×1526) 2306.518 ± 0.353 527 108 +4.518 212 0.327° 0.001 258   1672 G.D. Cassini
21 VI Titan ˈtaɪtən
Titan in natural color Cassini
5151 134520 ± 20 1 221 930 +15.945 42 0.3485° 0.028 8   1655 C. Huygens
22 VII Hyperion haɪˈpiːriən
Hyperion true
292 (360×280×225) 5.584 ± 0.068 1 481 010 +21.276 61 0.568° 0.123 006   1848 W.C. Bond, G.P. Bond and W. Lassell
23 VIII Iapetus aɪˈæpɨtəs 1472 (1494×1498×1425) 1805.635 ± 0.375 3 560 820 +79.321 5 7.570° 0.028 613   1671 G.D. Cassini
24 XXIV Kiviuq ˈkɪvioʊk ≈ 16 ~0.00279 11 294 800 +448.16 49.087° 0.328 8 Inuit group 2000 B. Gladman, J.J. Kavelaars, et al.
25 XXII Ijiraq ˈiː.ɨrɒk ≈ 12 ~0.00118 11 355 316 +451.77 50.212° 0.316 1 Inuit group 2000 B. Gladman, J.J. Kavelaars, et al.
26 IX Phoebe ˈfiːbiː
Phoebe cassini
220 (230×220×210) 8.292 ± 0.010 12 869 700 −545.09 173.047° 0.156 242 Norse group 1899 W.H. Pickering
27 XX Paaliaq ˈpɑːliɒk ≈ 22 ~0.00725 15 103 400 +692.98 46.151° 0.363 1 Inuit group 2000 B. Gladman, J.J. Kavelaars, et al.
28 XXVII Skathi ˈskɒði ≈ 8 ~0.00035 15 672 500 −732.52 149.084° 0.246 Norse (Skathi) Group 2000 B. Gladman, J.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 ~0.00015 16 560 000 −792.96 176.68° 0.241 8 Norse group 2007 S. Sheppard, D.C. Jewitt, J. Kleyna, B. Marsden
31 XXXVII Bebhionn ˈbɛviːn ≈ 6 ~0.00015 17 153 520 +838.77 40.484° 0.333 Gallic group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
32 XXVIII Erriapus ˌɛriˈæpəs ≈ 10 ~0.00068 17 236 900 +844.89 38.109° 0.472 4 Gallic group 2000 B. Gladman, J.J. Kavelaars, et al.
33 XLVII Skoll ˈskɒl, ˈskɜːl ≈ 6 ~0.00015 17 473 800 −862.37 155.624° 0.418 Norse (Skathi) group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
34 XXIX Siarnaq ˈsiːɑrnək ≈ 40 ~0.0435 17 776 600 +884.88 45.798° 0.249 61 Inuit group 2000 B. Gladman, J.J. Kavelaars, et al.
35 LII Tarqeq ˈtɑrkeɪk ≈ 7 ~0.00023 17 910 600 +894.86 49.904° 0.1081 Inuit group 2007 S. Sheppard, D.C. 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.C. Jewitt, J. Kleyna
37 LI Greip ˈɡreɪp ≈ 6 ~0.00015 18 065 700 −906.56 172.666° 0.373 5 Norse group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
38 XLIV Hyrrokkin hɪˈrɒkɨn ≈ 8 ~0.00035 18 168 300 −914.29 153.272° 0.360 4 Norse (Skathi) group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
39 L Jarnsaxa jɑrnˈsæksə ≈ 6 ~0.00015 18 556 900 −943.78 162.861° 0.191 8 Norse group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
40 XXI Tarvos ˈtɑrvəs ≈ 15 ~0.0023 18 562 800 +944.23 34.679° 0.530 5 Gallic group 2000 B. Gladman, J.J. Kavelaars, et al.
41 XXV Mundilfari ˌmʊndəlˈvɛri ≈ 7 ~0.00023 18 725 800 −956.70 169.378° 0.198 Norse group 2000 B. Gladman, J.J. Kavelaars, et al.
42   S/2006 S 1 ≈ 6 ~0.00015 18 930 200 −972.41 154.232° 0.130 3 Norse (Skathi) group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
43   S/2004 S 17 ≈ 4 ~0.00005 19 099 200 −985.45 166.881° 0.226 Norse group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
44 XXXVIII Bergelmir bɛrˈjɛlmɪr ≈ 6 ~0.00015 19 104 000 −985.83 157.384° 0.152 Norse (Skathi) group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
45 XXXI Narvi ˈnɑrvi ≈ 7 ~0.00023 19 395 200 −1008.45 137.292° 0.320 Norse (Narvi) group 2003 S. Sheppard, D.C. Jewitt, J. Kleyna
46 XXIII Suttungr ˈsʊtʊŋɡər ≈ 7 ~0.00023 19 579 000 −1022.82 174.321° 0.131 Norse group 2000 B. Gladman, J.J. Kavelaars, et al.
47 XLIII Hati ˈhɑːti ≈ 6 ~0.00015 19 709 300 −1033.05 163.131° 0.291 Norse group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
48   S/2004 S 12 ≈ 5 ~0.00009 19 905 900 −1048.54 164.042° 0.396 Norse group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
49 XL Farbauti fɑrˈbaʊti ≈ 5 ~0.00009 19 984 800 −1054.78 158.361° 0.209 Norse (Skathi) group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
50 XXX Thrymr ˈθrɪmər ≈ 7 ~0.00023 20 278 100 −1078.09 174.524° 0.453 Norse group 2000 B. Gladman, J.J. Kavelaars, et al.
51 XXXVI Aegir ˈaɪ.ər ≈ 6 ~0.00015 20 482 900 −1094.46 167.425° 0.237 Norse group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
52   S/2007 S 3 ≈ 5 ~0.00009 20 518 500 ≈ −1100 177.22° 0.130 Norse group 2007 S. Sheppard, D.C. Jewitt, J. Kleyna
53 XXXIX Bestla ˈbɛstlə ≈ 7 ~0.00023 20 570 000 −1101.45 147.395° 0.77 Norse (Narvi) group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
54   S/2004 S 7 ≈ 6 ~0.00015 20 576 700 −1101.99 165.596° 0.529 9 Norse group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
55   S/2006 S 3 ≈ 6 ~0.00015 21 076 300 −1142.37 150.817° 0.471 0 Norse (Skathi) group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
56 XLI Fenrir ˈfɛnrɪr ≈ 4 ~0.00005 21 930 644 −1212.53 162.832° 0.131 Norse group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna
57 XLVIII Surtur ˈsʊərtər ≈ 6 ~0.00015 22 288 916 −1242.36 166.918° 0.368 0 Norse group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
58 XLV Kari ˈkɑːri ≈ 7 ~0.00023 22 321 200 −1245.06 148.384° 0.340 5 Norse (Skathi) group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
59 XIX Ymir ˈɪmɪr ≈ 18 ~0.00397 22 429 673 −1254.15 172.143° 0.334 9 Norse group 2000 B. Gladman, J.J. Kavelaars, et al.
60 XLVI Loge ˈlɔɪ.eɪ ≈ 6 ~0.00015 22 984 322 −1300.95 166.539° 0.139 0 Norse group 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
61 XLII Fornjot ˈfɔrnjɒt ≈ 6 ~0.00015 24 504 879 −1432.16 167.886° 0.186 Norse group 2004 S. Sheppard, D.C. Jewitt, J. Kleyna


Unconfirmed satellitesEdit

The following objects (observed by Cassini) have not been confirmed as solid bodies. It is not yet clear if these are real satellites or merely persistent clumps within the F Ring.

Order Name Image Diameter (km) Semi-major
axis (km)[6]
Orbital
period (d)[6]
Position Discovery year
* S/2004 S 6 ≈ 3–5   140 130 +0.618 01 uncertain objects around the F-Ring 2004
* S/2004 S 3/S 4[note 6] ≈ 3−5 ≈ 140 300 ≈ +0.619 2004

referencesEdit

  1. Source: Thomas et al. 2006
  2. Source: Porco et al. 2005
  3. Cite error: Invalid <ref> tag; no text was provided for refs named Porco06
  4. Cite error: Invalid <ref> tag; no text was provided for refs named Jacobson2006
  5. Cite error: Invalid <ref> tag; no text was provided for refs named Porco2007
  6. Cite error: Invalid <ref> tag; no text was provided for refs named Spitale06
  7. "Natural Satellites Ephemeris Service". IAU: Minor Planet Center. Retrieved on 2008-12-20.
  8. Williams, David R. (2009-03-08). "Saturnian Satellite Fact Sheet". NASA (National Space Science Data Center). Retrieved on 2008-12-20.
  9. Cite error: Invalid <ref> tag; no text was provided for refs named Tiscareno2006
  10. Cite error: Invalid <ref> tag; no text was provided for refs named Sremcevic2007
  11. Cite error: Invalid <ref> tag; no text was provided for refs named Tiscareno2008
  12. Cite error: Invalid <ref> tag; no text was provided for refs named Gazetteer
  13. IAU Circular No. 9023
  1. The diameters and dimensions were taken from Thomas, 2006[1], Porco, 2005 [2] and Porco, 2006.[3]
  2. Masses of the large moons were taken from Jacobson, 2006.[4] Masses of some small inner moons were taken from Porco, 2007.[5] Mass of other small moons were calculated assuming a density of 1.3 g/cm3. Unless otherwise noted, the uncertainty in the reported masses is not available.
  3. 3.0 3.1 3.2 3.3 The orbital parameters were taken from Spitale, et al. 2006,[6] IAU-MPC Natural Satellites Ephemeris Service,[7] and NASA/NSSDC.[8]
  4. Negative orbital periods indicate a retrograde orbit around Saturn (opposite to the planet's rotation)
  5. To Saturn's equator.
  6. S/2004 S4 was most likely a transient clump − it has not been recovered since the first sighting.

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