Satelit Saturnus

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Saturnus dan satelit-satelitnya.
Diagram ini menunjukkan orbit satelit ireguler Saturnus. Di tengah, orbit Titan, sebuah satelit yang reguler, ditandai dengan warna merah sebagai perbandingan.

Satelit-satelit Saturnus adalah satelit alami yang mengelilingi planet Saturnus. Satelit ini ukurannya bervariasi antara kurang dari 1 km hingga lebih besar dari planet Merkurius. Saturnus memiliki 62 satelit, dengan 53 di antaranya telah dinamai dan hanya 13 di antaranya memiliki diameter lebih besar dari 50 kilometer.[1][2][3] Tujuh satelit cukup besar sehingga bersifat elipsoidal. Beberapa satelit terpenting Saturnus adalah Titan, satelit terbesar kedua di Tata Surya dengan atmosfer mirip Bumi yang kaya akan nitrogen dan bentang alam yang berisi danau-danau hidrokarbon dan jaringan sungai kering,[4] dan Enceladus, yang mengeluarkan gas dan debu dan mungkin memiliki air di wilayah kutub selatannya.[5]

Ukuran[sunting | sunting sumber]

Satelit utama Saturnus, dibandingkan dengan Bulan
Nama
 Diameter
(km)[6] 		Massa
(kg)[7] 		Radius orbit
(km)[8] 		Periode orbit
(hari)[8]
Mimas 396
(12% Bulan)		 4×1019
(0.05% Bulan)		 185,539
(48% Bulan)		 0.9
(3% Bulan)
Enceladus 504
(14% Bulan)		 1.1×1020
(0.2% Bulan)		 237,948
(62% Bulan)		 1.4
(5% Bulan)
Tethys 1,062
(30% Bulan)		 6.2×1020
(0.8% Bulan)		 294,619
(77% Bulan)		 1.9
(7% Bulan)
Dione 1,123
(32% Bulan)		 1.1×1021
(1.5% Bulan)		 377,396
(98% Bulan)		 2.7
(10% Bulan)
Rhea 1,527
(44% Bulan)		 2.3×1021
(3% Bulan)		 527,108
(137% Bulan)		 4.5
(20% Bulan)
Titan 5,149
(148% Bulan)
(75% Mars)		 1.35×1023
(180% Bulan)		 1,221,870
(318% Bulan)		 16
(60% Bulan)
Iapetus 1,470
(42% Bulan)		 1.8×1021
(2.5% Bulan)		 3,560,820
(926% Bulan)		 79
(290% Bulan)

Daftar[sunting | sunting sumber]

Diagram orbit bulan-bulan Saturnus

Bulan-bulan Saturnus di daftar ini diurutkan berdasarkan periode orbit (atau sumbu semi-mayor), dari yang terpendek hingga terpanjang. Bulan yang cukup masif dilambangkan dengan huruf tebal, sedangkan bulan yang tidak beraturan dilambangkan dengan warna merah, oranye, dan abu-abu.

Lambang
†

Bulan es yang besar

♠

Titan

‡

Kelompok inuit

♦

Kelompok Gallic

♣

Kelompok norse

Bulan yang telah dikonfirmasi[sunting | sunting sumber]

Urutan Label Nama Pengucapan Gambar Magnitudo absolut Diameter (km)[a] Massa
(×1015 kg) [b] 		Sumbu semi-mayor (km)[c] Periode orbit (h)[c][d] Inklinasi [c][e] Eksentrisitas Tahun penemuan[12] Penemu
[12]
1 S/2009 S/2009 S 1 — PIA11665 moonlet in B Ring cropped.jpg ≈20? ≈ 0,3 < 0,0001 ≈ 117.000 ≈ 0,47 ≈ 0° ≈ 0 2009 Cassini[3]
(bulan kecil) — A noisy image showing a few bright dots marked by circles ? 0.04 hingga 0.4 < 0,0001 ≈ 130.000 ≈ 0,55 ≈ 0° ≈ 0 2006 Cassini
2 XVIII Pan Pan /ˈpæn/ A bright fuzzy band (rings of Saturn) is running from the left to right. In the center a bright irregularity shaped body is superimposed on its upper edge. A narrow grayish band, which is a part of the main band, partially covers the body. 9.1 28,2±2,6
(34 × 31 × 20)		 4,95±0,75 133.584 +0,57505 0.001° 0,000035 1990 M. Showalter
3 XXXV Daphnis Daphnis /ˈdæfnɪs/ Two bright bands run from the left to right. In the narrow gap between them (Keeler gap), which has wavy edges, a small oblong object can be seen. 12.0 7,6±1,6
(9 × 8 × 6)		 0,084±0,012 136.505 +0,59408 ≈ 0° ≈ 0 2005 Cassini
4 XV Atlas Atlas /ˈætləs/ An irregularly shaped body is fully illuminated. The body, which looks like a cone viewed from the south pole, is elongated downward. 10.7 30,2±1,8
(41 × 35 × 19)		 6,6±0,045 137.670 +0,60169 0.003° 0,0012 1980 Voyager 1
5 XVI Prometheus Prometheus /proʊˈmiːθiəs/ An irregularly shaped oblong body is fully illuminated. It is elongated in the direction from the right to left. Its surface is covered by craters. There is valley at the top. 6.5 86,2±5,4
(136 × 79 × 59)		 159,5±1,5 139.380 +0,61299 0.008° 0,0022 1980 Voyager 1
6 XVII Pandora Pandora /pænˈdɔːrə/ An irregularly shaped body is half illuminated from the bottom. The terminator runs from the left to right. The surface is covered by numerous craters. 6.6 81,4±3,0
(104 × 81 × 64)		 137,1±1,9 141.720 +0,62850 0.050° 0,0042 1980 Voyager 1
7a XI Epimetheus Epimetheus /ɛpɪˈmiːθiəs/ A partially-illuminated irregular body, which has a shape remotely resembling a cube. The body's surface consists of ridges and valleys and is covered by craters. 5.6 116,2±3,6
(130 × 114 × 106)		 526,6±0,6 151.422 +0,69433 0.335° 0,0098 1977 J. Fountain, and S. Larson
7b X Janus Janus /ˈdʒeɪnəs/ An irregular body, whose outline looks like an approximate circle in this image. It is illuminated from the bottom-left. The terminator runs from the top-left to bottom-right. The surface is covered by craters. 4.7 179,0±2,8
(203 × 185 × 153)		 1.897,5±0,6 151.472 +0,69466 0.165° 0,0068 1966 A. Dollfus
9 LIII Aegaeon Aegaeon /iːˈdʒiːən/ Image of Aegaeon. ≈20.3? ≈ 0,5 ≈ 0,0001 167.500 +0,80812 0.001° 0,0002 2008 Cassini
10 I Mimas †Mimas /ˈmaɪməs/ A spherical body is half illuminated from the left. The terminator runs from the top to bottom in the vicinity of the right limb. A large crater with a central peak sits on the terminator slightly to the right and above the center of the body. It makes the body look like the Death Star. There are numerous smaller craters. 4.2 396,4±0,8
(416 × 393 × 381)		 37.493±31 185.404 +0,942422 1.566° 0,0202 1789 W. Herschel
11 XXXII Methone Methone /mɪˈθoʊniː/ From May 2012 flyby 13.8 3,2±1,2 ≈ 0,02 194.440 +1,00957 0.007° 0,0001 2004 Cassini
12 XLIX Anthe Anthe /ˈænθiː/ Anthe N1832831075 1.jpg 14.8 1,8 ≈ 0,0015 197.700 +1,05089 0.1° 0,0011 2007 Cassini
13 XXXIII Pallene Pallene /pəˈliːniː/ In the center is Pallene, a moon of Saturn 12.9 5,0±1,2
(6 × 6 × 4)		 ≈ 0,05 212.280 +1,15375 0.181° 0,0040 2004 Cassini
14 II Enceladus †Enceladus /ɛnˈsɛlədəs/ A spherical body is half illuminated from the right. The terminator runs from the top to bottom in the vicinity of the left limb. In the center and at the top there are heavily cratered areas. 1.7 504,2±0,4
(513 × 503 × 497)		 108.022±101 237.950 +1,370218 0.010° 0,0047 1789 W. Herschel
15 III Tethys †Tethys /ˈtiːθɪs/ A spherical heavily cratered body is illuminated from the bottom. The terminator runs from the left to right in the vicinity of the top limb. There is a wide curved graben running from the center of the body to the bottom. It is Ithaca Chasma. 0.3 1062±1,2
(1077 × 1057 × 1053)		 617.449±132 294.619 +1,887802 0.168° 0,0001 1684 G. Cassini
15a XIII Telesto Telesto /tɪˈlɛstoʊ/ Telesto cassini closeup.jpg 8.7 24,8±0,8
(33 × 24 × 20)		 ≈ 9,41 294.619 +1,887802 1.158° 0,0000 1980 B. Smith, H. Reitsema, S. Larson, and J. Fountain
15b XIV Calypso Calypso /kəˈlɪpsoʊ/ An oblong reddish body is seen in this low resolution image. 8.7 21,4±1,4
(30 × 23 × 14)		 ≈ 6,3 294.619 +1,887802 1.473° 0,0000 1980 D. Pascu, P. Seidelmann, W. Baum, and D. Currie
18 IV Dione †Dione /daɪˈoʊniː/ A spherical body is half illuminated from the right. The terminator is running from the top to bottom slightly to the left off the center. The central part of the body is smooth and has only a few craters. A heavily cratered terrain is near the right limb. A part of a large crater is intersected by the terminator in the lower-left corner. To the left of it there is a long crack running parallel to the terminator. 0.4 1.122,8±0,8
(1128 × 1123 × 1119)		 1.095.452±168 377.396 +2,736915 0.002° 0,0022 1684 G. Cassini
18a XII Helene Helene /ˈhɛlɪniː/ An irregularly shaped body illuminated from the left. Its surface is covered by numerous impact craters. 7.3 35,2±0,8
(43 × 38 × 26)		 ≈ 24,46 377.396 +2,736915 0.212° 0,0022 1980 P. Laques and J. Lecacheux
18b XXXIV Polydeuces /pɒliˈdjuːsiːz/ A small oblong body is barely resolved in this image. 13.5 2,6±0,8
(3 × 2 × 1)		 ≈ 0,03 377.396 +2,736915 0.177° 0,0192 2004 Cassini
21 V Rhea †Rhea /ˈriːə/ A spherical body is almost fully illuminated. The terminator is running near the top edge. The surface is covered by numerous craters. Two partially overlapping large craters can be seen above the center. One that is younger is above and to the right from the older one. -0.2 1.527,0±1,2
(1530 × 1526 × 1525)		 2.306.518±353 527.108 +4,518212 0.327° 0,001258 1672 G. Cassini
22 VI Titan ♠Titan /ˈtaɪtən/ Titan globe.jpg -1.3 5.149,46±0,18
(5149 × 5149 × 5150)		 134.520.000±20.000 1.221.930 +15,94542 0.3485° 0,0288 1655 C. Huygens
23 VII Hyperion †Hyperion /haɪˈpɪəriən/ An irregularly shaped oblong body is illuminated from the left. The terminator is near the right limb. The body is elongated in the top-bottom direction. The surface is punctured by numerous impact craters, which make it look like a sponge or cheese. 4.8 270±8
(360 × 266 × 205)		 5620±50 1.481.010 +21,27661 0.568° 0,123006 1848 W. Bond
G. Bond
W. Lassell
24 VIII Iapetus †Iapetus /aɪˈæpɪtəs/ A walnut shaped body illuminated from the bottom-left. The terminator runs from the top to right along the top-right limb. An equatorial ridge runs from the left to right and is convex in the direction of the bottom-left. Above and below it there are dark areas. Above the upper dark area and below the lower one there are bright poles. There numerous craters. Three among them are very large: one sits on the limb at the right another is in the center above the ridge. The third is below the ridge near the left limb. 0.6 1.468,6±5,6
(1491 × 1491 × 1424)		 1.805.635±375 3.560.820 +79,3215 15.47° 0,028613 1671 G. Cassini
25 XXIV Kiviuq ‡Kiviuq /ˈkɪviək/ 12.7 ≈ 16 ≈ 2,79 11.294.800 +448,16 49.087° 0,3288 2000 B. Gladman, J. Kavelaars, et al.
26 XXII Ijiraq ‡Ijiraq /ˈiːɪrɒk/ Ijiraq discovery.gif 13.2 ≈ 12 ≈ 1,18 11.355.316 +451,77 50.212° 0,3161 2000 B. Gladman, J. Kavelaars, et al.
27 IX Phoebe ♣†Phoebe /ˈfiːbiː/ An approximately spherical heavily cratered body is illuminated from the bottom-right. The terminator runs near the left and top limbs. There is huge crater at the top, which affects the shape, and another slightly smaller at the bottom. 2.0 213,0±1,4
(219 × 217 × 204)		 8292±10 12.869.700 −545,09 173.047° 0,156242 1899 W. Pickering
28 XX Paaliaq ‡Paaliaq /ˈpɑːliɒk/ Paaliaq.jpg 11.9 ≈ 22 ≈ 7,25 15.103.400 +692,98 46.151° 0,3631 2000 B. Gladman, J. Kavelaars, et al.
29 XXVII Skathi ♣Skathi /ˈskɑːði/ 14.2 ≈ 8 ≈ 0,35 15.672.500 −732,52 149.084° 0,246 2000 B. Gladman, J. Kavelaars, et al.
30   S/2019R ♣S/2004 S 37 — 15.9 ≈ 4 ≈ 0,05 15.892.000 −748,18 162.937° 0.4965 2019 S. Sheppard, D. Jewitt, J. Kleyna
31   S/2007A ♣S/2007 S 2 — 15.7 ≈ 4 ≈ 0,05 16.055.000 −759,71 176.65° 0,2370 2007 S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden
32 XXVI Albiorix ♦Albiorix /ˌælbiˈɒrɪks/ 11.4 ≈ 32 ≈ 22,3 16.266.700 +774,58 38.042° 0,477 2000 M. Holman
33   S/2019J ‡S/2004 S 29 — 15.8 ≈ 4 ≈ 0,05 16.981.000 +826,44 45.102° 0,4401 2019 S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden
34 XXXVII Bebhionn ♦Bebhionn /bɛˈviːn/ 14.9 ≈ 6 ≈ 0,15 17.153.520 +838,77 40.484° 0,333 2004 S. Sheppard, D. Jewitt, J. Kleyna
35 XXVIII Erriapus ♦Erriapus /ɛriˈæpəs/ 13.7 ≈ 10 ≈ 0,68 17.236.900 +844,89 38.109° 0,4724 2000 B. Gladman, J. Kavelaars, et al.
36 XLVII Skoll ♣Skoll /ˈskɒl/ 15.4 ≈ 6 ≈ 0,15 17.473.800 −862,37 155.624° 0,418 2006 S. Sheppard, D. Jewitt, J. Kleyna
37   S/2019L ‡S/2004 S 31 — 15.6 ≈ 4 ≈ 0,05 17.568.000 +869,65 48.815° 0,2403 2019 S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden
38 XXIX Siarnaq ‡Siarnaq /ˈsiːɑːrnək/ 10.6 ≈ 40 ≈ 43,5 17.776.600 +884,88 45.798° 0,24961 2000 B. Gladman, J. Kavelaars, et al.
39 LII Tarqeq ‡Tarqeq /ˈtɑːrkeɪk/ 14.8 ≈ 7 ≈ 0,23 17.910.600 +894,86 49.904° 0,1081 2007 S. Sheppard, D. Jewitt, J. Kleyna
40  (hilang) S/2004B ♣S/2004 S 13 — 15.6 ≈ 6 ≈ 0,15 18.056.300
(18.183.000±2.020.000[13])		 −905,85
(-915.47[13])		 167.379° 0,261
(0,2653±0,0809[13])		 2004 S. Sheppard, D. Jewitt, J. Kleyna
41 LI Greip ♣Greip /ˈɡreɪp/ 15.3 ≈ 6 ≈ 0,15 18.065.700 −906,56 172.666° 0,3735 2006 S. Sheppard, D. Jewitt, J. Kleyna
42 XLIV Hyrrokkin ♣Hyrrokkin /hɪˈrɒkɪn/ 14.3 ≈ 8 ≈ 0,35 18.168.300 −914,29 153.272° 0,3604 2006 S. Sheppard, D. Jewitt, J. Kleyna
43 L Jarnsaxa ♣Jarnsaxa /jɑːrnˈsæksə/ 15.7 ≈ 6 ≈ 0,15 18.556.900 −943,78 162.861° 0,1918 2006 S. Sheppard, D. Jewitt, J. Kleyna
44 XXI Tarvos ♦Tarvos /ˈtɑːrvəs/ 12.8 ≈ 15 ≈ 2,3 18.562.800 +944,23 34.679° 0,5305 2000 B. Gladman, J. Kavelaars, et al.
45 XXV Mundilfari ♣Mundilfari /mʊndəlˈværi/ 14.5 ≈ 7 ≈ 0,23 18.725.800 −956,70 169.378° 0,198 2000 B. Gladman, J. Kavelaars, et al.
46   S/2006 ♣S/2006 S 1 — 15.5 ≈ 6 ≈ 0,15 18.930.200 −972,41 154.232° 0,1303 2006 S. Sheppard, D.C. Jewitt, J. Kleyna
47  (hilang) S/2004C ♣S/2004 S 17 — 16.0 ≈ 4 ≈ 0,05 19.099.200
(19.080.000±685.000[13])		 −985,45
(-984.11[13])		 166.881° 0,226
(0,2268±0,0440[13])		 2004 S. Sheppard, D. Jewitt, J. Kleyna
48 XXXVIII Bergelmir ♣Bergelmir /bɛərˈjɛlmɪər/ 15.1 ≈ 6 ≈ 0,15 19.104.000 −985,83 157.384° 0,152 2004 S. Sheppard, D. Jewitt, J. Kleyna
49 XXXI Narvi ♣Narvi /ˈnɑːrvi/ Narvi.jpg 14.6 ≈ 7 ≈ 0,23 19.395.200 −1.008,45 137.292° 0,320 2003 S. Sheppard, D. Jewitt, J. Kleyna
50   S/2019A ♣S/2004 S 20 — 15.8 ≈ 3 ≈ 0,03 19.418.000 −1.010,55 162.570° 0,197 2019 S. Sheppard, D. Jewitt, J. Kleyna
51 XXIII Suttungr ♣Suttungr /ˈsʊtʊŋɡər/ 14.3 ≈ 7 ≈ 0,23 19.579.000 −1.022,82 174.321° 0,131 2000 B. Gladman, J. Kavelaars, et al.
52 XLIII Hati ♣Hati /ˈhɑːti/ 13.5 ≈ 6 ≈ 0,15 19.709.300 −1.033,05 163.131° 0,291 2004 S. Sheppard, D. Jewitt, J. Kleyna
53  (hilang) S/2004A ♣S/2004 S 12 — 15.7 ≈ 5 ≈ 0,09 19.905.900
(19.999.000±119.000[13])		 −1.048,54
(-1056.23[13])		 164.042° 0,396
(0,3933±0,0223[13])		 2004 S. Sheppard, D. Jewitt, J. Kleyna
54   S/2019H ♣S/2004 S 27 — 15.3 ≈ 6 ≈ 0,15 19.976.000 −1.054,45 167.804° 0,1220 2019 S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden, R. Jacobson
55 XL Farbauti ♣Farbauti /fɑːrˈbaʊti/ 15.6 ≈ 5 ≈ 0,09 19.984.800 −1.054,78 158.361° 0,209 2004 S. Sheppard, D. Jewitt, J. Kleyna
56 XXX Thrymr ♣Thrymr /ˈθrɪmər/ 14.3 ≈ 7 ≈ 0,23 20.278.100 −1.078,09 174.524° 0,453 2000 B. Gladman, J. Kavelaars, et al.
57   S/2019K ♣S/2004 S 30 — 16.2 ≈ 3 ≈ 0,03 20.396.000 −1.087,84 156.3°[14] 0.1129 2019 S. Sheppard, D. Jewitt, J. Kleyna
58 XXXVI Aegir ♣Aegir /ˈaɪ.ɪər/ 15.4 ≈ 6 ≈ 0,15 20.482.900 −1.094,46 167.425° 0,237 2004 S. Sheppard, D. Jewitt, J. Kleyna
59  (hilang) S/2007B ♣S/2007 S 3 — 15.7 ≈ 5 ≈ 0,09 20.518.500
(19.202.000±519.000[13]		 ≈ −1100
(-993.50[13])		 177.22° 0,130
(0,1499±0,0336[13])		 2007 S. Sheppard, D. Jewitt, J. Kleyna
60 XXXIX Bestla ♣Bestla /ˈbɛstlə/ 14.7 ≈ 7 ≈ 0,23 20.570.000 −1.101,45 147.395° 0,5145 2004 S. Sheppard, D. Jewitt, J. Kleyna
61  (hilang) S/2007C ♣S/2004 S 7 — 15.2 ≈ 6 ≈ 0,15 20.576.700
(20.685.000±396.000[13])		 −1.101,99
(−1.111,09[13])		 165.596° 0,5299
(0,5549±0,0212[13])		 2004 S. Sheppard, D. Jewitt, J. Kleyna
62   S/2019C ♣S/2004 S 22 — 16.1 ≈ 3 ≈ 0,03 20.636.000 −1.107,132 177.321° 0,2513 2019 S. Sheppard, D. Jewitt, J. Kleyna
63   S/2019D ♣S/2004 S 23 — 15.6 ≈ 4 ≈ 0,05 21.163.000 −1.149,82 176.988° 0,3729 2019 S. Sheppard, D. Jewitt, J. Kleyna
64   S/2019F ♣S/2004 S 25 — 15.9 ≈ 4 ≈ 0,05 21.174.000 −1.150,69 172.996° 0,4424 2019 S. Sheppard, D. Jewitt, J. Kleyna
65   S/2019M ♣S/2004 S 32 — 15.6 ≈ 4 ≈ 0,05 21.214.000 −1.153,96 159.091° 0,2505 2019 S. Sheppard, D. Jewitt, J. Kleyna
66   S/2006 ♣S/2006 S 3 — 15.6 ≈ 6 ≈ 0,15 21.308.000 −1.161,65 152.878° 0,4707 2006 S. Sheppard, D. Jewitt, J. Kleyna
67   S/2019S ♣S/2004 S 38 — 15.9 ≈ 4 ≈ 0,05 21.908.000 −1.211,024 154.090° 0,4366 2019 S. Sheppard, D. Jewitt, J. Kleyna
68 XLI Fenrir ♣Fenrir /ˈfɛnrɪər/ 15.9 ≈ 4 ≈ 0,05 21.930.644 −1.212,53 162.832° 0,131 2004 S. Sheppard, D. Jewitt, J. Kleyna
69   S/2019I ♣S/2004 S 28 — 15.8 ≈ 4 ≈ 0,05 22.020.000 −1.220,31 170.322° 0,1428 2019 S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden
70 XLVIII Surtur ♣Surtur /ˈsɜːrtər/ 15.7 ≈ 6 ≈ 0,15 22.288.916 −1.242,36 166.918° 0,3680 2006 S. Sheppard, D. Jewitt, J. Kleyna
71 XLV Kari ♣Kari /ˈkɑːri/ 14.9 ≈ 7 ≈ 0,23 22.321.200 −1.245,06 148.384° 0,3405 2006 S. Sheppard, D. Jewitt, J. Kleyna
72   S/2019P ♣S/2004 S 35 15.5 ≈ 6 ≈ 0,15 22.412.000 −1.253,08 176.717° 0,1837 2019 S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden
73 XIX Ymir ♣Ymir /ˈɪmɪər/ 12.3 ≈ 18 ≈ 3,97 22.429.673 −1.254,15 172.143° 0,3349 2000 B. Gladman, J. Kavelaars, et al.
74   S/2019B ♣S/2004 S 21 — 16.3 ≈ 3 ≈ 0,03 22.645.000 −1.272,61 159.950° 0,3183 2019 S. Sheppard, D. Jewitt, J. Kleyna
75   S/2019E S/2004 S 24 — 16.0 ≈ 3 ≈ 0,03 22.901.000 +1.294,25 35.538° 0.0846 2019 S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden
76 XLVI Loge ♣Loge /ˈlɔɪ.eɪ/ 15.4 ≈ 6 ≈ 0,15 22.984.322 −1.300,95 166.539° 0,1390 2006 S. Sheppard, D. Jewitt, J. Kleyna
77   S/2019Q ♣S/2004 S 36 — 16.1 ≈ 3 ≈ 0,03 23.192.000 −1.319,07 154.992° 0,7484 2019 S. Sheppard, D. Jewitt, J. Kleyna
78   S/2019T ♣S/2004 S 39 — 16.3 ≈ 3 ≈ 0,03 23.575.000 −1.351,83 166.579° 0.0804 2019 S. Sheppard, D. Jewitt, J. Kleyna
79   S/2019N ♣S/2004 S 33 — 15.9 ≈ 4 ≈ 0,05 24.168.000 −1.403,18 160.471° 0,3994 2019 S. Sheppard, D. Jewitt, J. Kleyna
80   S/2019O ♣S/2004 S 34 — 16.1 ≈ 3 ≈ 0,03 24.299.000 −1.414,59 166.039° 0,2352 2019 S. Sheppard, D. Jewitt, J. Kleyna
81 XLII Fornjot ♣Fornjot /ˈfɔːrnjɒt/ 15.3 ≈ 6 ≈ 0,15 24.504.879 −1.432,16 167.886° 0,186 2004 S. Sheppard, D. Jewitt, J. Kleyna
82   S/2019G ♣S/2004 S 26 — 15.8 ≈ 4 ≈ 0,05 26.676.000 −1.627,18 171.369° 0,1645 2019 S. Sheppard, D. Jewitt, J. Kleyna, B. Marsden

Bulan yang belum dikonfirmasi[sunting | sunting sumber]

Benda-benda berikut (diamati oleh Cassini) belum dikonfirmasi sebagai satelit Saturnus. Belum jelas apakah ini benar-benar satelit atau gumpalan dalam Cincin F.[15]

Nama Gambar Diameter (km) Sumbu semi-mayor (km)[10] Periode orbit (h)[10] Posisi Tahun Penemuan
S/2004 S 6 A bright narrow band runs from the top to bottom. To the right of it in the diffuse halo the is a bright small object. ≈ 3–5 ≈ 140.130 +0,61801 benda tidak jelas di sekitar Cincin F. 2004
S/2004 S 3/S 4 S2004 S 3 - PIA06115.png ≈ 3–5 ≈ 140.300 ≈ +0,619 2004
S/2001 S 7 ??? ??? ??? Cincin F 2001
S/2001 S 4 ??? 122 124 0.633 19 Cincin F 2001

Catatan kaki[sunting | sunting sumber]

  1. ^ Diameter dan dimensi dari satelit bagian dalam: Pan, Janus, Methone, Pallene, Telepso, Calypso, Helene, Hyperion dan Phoebe diambil dari Thomas 2010, Tabel 3.[6] Diameter dan dimensi Mimas, Enceladus, Tethys, Dione, Rhea, dan Iapetus diambil dari Thomas 2010, Tabel 1.[6] Perkiraan ukuran satelit Saturnus lainnya berasal dari situs web Scott Sheppard.[9]
  2. ^ Massa dari bulan-bulan besar diambil dari Jacobson, 2006.[7] Massa Pan, Daphnis, Atlas, Prometheus, Pandora, Epimetheus, Janus, Hyperion dan Phoebe diambil dari Thomas, 2010, Tabel 3.[6] Massa bulan-bulan kecil lainnya dihitung dengan asumsi massa jenis 1.3 g/cm3.
  3. ^ a b c Parameter orbit diambil dari Spitale, et al. 2006,[10] IAU-MPC Natural Satellites Ephemeris Service,[11] dan NASA/NSSDC.[8]
  4. ^ Periode orbit negatif menunjukkan orbit retrograde di sekitar Saturnus (berlawanan dengan rotasi planet).
  5. ^ Ke ekuator Saturnus untuk satelit reguler, dan ke ekliptika untuk satelit ireguler.

Referensi[sunting | sunting sumber]

  1. ^ "Solar System Exploration Planets Saturn: Moons: S/2009 S1". NASA. Diakses tanggal January 17, 2010. 
  2. ^ Sheppard, Scott S. "The Giant Planet Satellite and Moon Page". Departament of Terrestrial Magnetism at Carniege Institution for science. Diakses tanggal 2008-08-28. 
  3. ^ a b Porco, C. and the Cassini Imaging Team (November 2, 2009). "S/2009 S1". IAU Circular. 9091. 
  4. ^ Science, Nola Taylor Redd 2018-03-27T01:32:00Z; Astronomy. "Titan: Facts About Saturn's Largest Moon". Space.com (dalam bahasa Inggris). Diakses tanggal 2019-11-09. 
  5. ^ "Enceladus". NASA Solar System Exploration. Diakses tanggal 2019-11-09. 
  6. ^ a b c d Thomas, P. C. (July 2010). "Sizes, shapes, and derived properties of the saturnian satellites after the Cassini nominal mission" (PDF). Icarus. 208 (1): 395–401. Bibcode:2010Icar..208..395T. doi:10.1016/j.icarus.2010.01.025. 
  7. ^ a b Jacobson, R. A.; Antreasian, P. G.; Bordi, J. J.; Criddle, K. E.; Ionasescu, R.; Jones, J. B.; Mackenzie, R. A.; Meek, M. C.; Parcher, D.; Pelletier, F. J.; Owen, Jr., W. M.; Roth, D. C.; Roundhill, I. M.; Stauch, J. R. (December 2006). "The Gravity Field of the Saturnian System from Satellite Observations and Spacecraft Tracking Data". The Astronomical Journal. 132 (6): 2520–2526. Bibcode:2006AJ....132.2520J. doi:10.1086/508812. 
  8. ^ a b c Williams, David R. (August 21, 2008). "Saturnian Satellite Fact Sheet". NASA (National Space Science Data Center). Diakses tanggal April 27, 2010. 
  9. ^ Sheppard, Scott S. "Saturn's Known Satellites". Diarsipkan dari versi asli tanggal May 15, 2011. Diakses tanggal January 7, 2010. 
  10. ^ a b c Spitale, J. N.; Jacobson, R. A.; Porco, C. C.; Owen, W. M., Jr. (2006). "The orbits of Saturn's small satellites derived from combined historic and Cassini imaging observations" (PDF). The Astronomical Journal. 132 (2): 692–710. Bibcode:2006AJ....132..692S. doi:10.1086/505206. 
  11. ^ "Natural Satellites Ephemeris Service". IAU: Minor Planet Center. Diakses tanggal 2011-01-08. 
  12. ^ a b "Planet and Satellite Names and Discoverers". Gazetteer of Planetary Nomenclature. USGS Astrogeology. July 21, 2006. Diakses tanggal August 6, 2006. 
  13. ^ a b c d e f g h i j k l m n o Gray, Bill. "Find_Orb Orbit determination software". projectpluto.com. Diakses tanggal 7 October 2019. 
  14. ^ Sheppard, Scott. "Scott S. Sheppard - SaturnMoons". sites.google.com. Diakses tanggal 7 October 2019. 
  15. ^ Porco, C. C.; Baker, E.; Barbara, J.; et al. (2005). "Cassini Imaging Science: Initial Results on Saturn's Rings and Small Satellites" (PDF). Science. 307 (5713): 1226–36. Bibcode:2005Sci...307.1226P. doi:10.1126/science.1108056. PMID 15731439. 

Pranala luar[sunting | sunting sumber]

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