List
This is a list of all the moons of planets and dwarf planets in the Solar System. Those 19 moons that are large enough to have achieved hydrostatic equilibrium are listed in bold. The seven largest moons are listed in bold and italic. Sidereal period differs from semi-major axis because it depends on the mass of the primary as well as the satellite's distance from it.
| Satellite of Earth | Satellites of Mars |
| Satellites of Jupiter | Satellites of Saturn |
| Satellites of Uranus | Satellites of Neptune |
| Satellites of Pluto | Satellites of Haumea |
| Satellite of Eris |
| Image | Numeral | Name | Mean radius (km) | Semi-major axis (km) | Sidereal period (d) (r = retrograde) |
Discovery date | Discovered by | Notes | Ref(s) | Planet |
|---|---|---|---|---|---|---|---|---|---|---|
| I | Moon | 173710 !1737.10 | 384,399 | 27.321582 | 0 !Prehistoric | — | Synchronous rotation | Earth | ||
| I | Phobos | 00111 !11.1 ± 0.15 | 9,380 | 0.319 | 1877 (18 August) | Hall | Mars | |||
| II | Deimos | 00062 !6.2 ± 0.18 | 23,460 | 1.262 | 1877 (12 August) | Hall | Mars | |||
| I | Io | 18181 !1818.1 ± 0.1 | 421,800 | 1.769 | 1610 | Galileo | Main group moon (Galilean) | Jupiter | ||
| II | Europa | 15607 !1560.7 ± 0.7 | 671,100 | 3.551 | 1610 | Galileo | Main group moon (Galilean) | Jupiter | ||
| III | Ganymede | 26341 !2634.1 ± 0.3 | 1,070,400 | 7.155 | 1610 | Galileo | Main group moon (Galilean) | Jupiter | ||
| IV | Callisto | 24084 !2408.4 ± 0.3 | 1,882,700 | 16.69 | 1610 | Galileo | Main group moon (Galilean) | Jupiter | ||
| V | Amalthea | 008345 !83.45 ± 2.4 | 181,400 | 0.498 | 1892 | Barnard | Inner moon (Amalthea) | Jupiter | ||
| VI | Himalia | 0085 !85 | 11,461,000 | 250.56 | 1904 | Perrine | Prograde irregular (Himalia) | Jupiter | ||
| VII | Elara | 0043 !43 | 11,741,000 | 259.64 | 1905 | Perrine | Prograde irregular (Himalia) | Jupiter | ||
| VIII | Pasiphae | 0030 !30 | 23,624,000 | 743.63 (r) | 1908 | Melotte | Retrograde irregular (Pasiphaë) | Jupiter | ||
| IX | Sinope | 0019 !19 | 23,939,000 | 758.90 (r) | 1914 | Nicholson | Retrograde irregular (Pasiphaë) | Jupiter | ||
| X | Lysithea | 0018 !18 | 11,717,000 | 259.20 | 1938 | Nicholson | Prograde irregular (Himalia) | Jupiter | ||
| XI | Carme | 0023 !23 | 23,404,000 | 734.17 (r) | 1938 | Nicholson | Retrograde irregular (Carme) | Jupiter | ||
| XII | Ananke | 0014 !14 | 21,276,000 | 629.77 (r) | 1951 | Nicholson | Retrograde irregular (Ananke) | Jupiter | ||
| XIII | Leda | 0010 !10 | 11,165,000 | 240.92 | 1974 | Kowal | Prograde irregular (Himalia) | Jupiter | ||
| XIV | Thebe | 00493 !49.3 ± 2.0 | 221,900 | 0.675 | 1979 | Synnott (Voyager 1) | Inner moon (Amalthea) | Jupiter | ||
| XV | Adrastea | 00082 !8.2 ± 2.0 | 129,000 | 0.298 | 1979 | Jewitt, Danielson (Voyager 1) | Inner moon (Amalthea) | Jupiter | ||
| XVI | Metis | 00215 !21.5 ± 2.0 | 128,000 | 0.295 | 1979 | Synnott (Voyager 1) | Inner moon (Amalthea) | Jupiter | ||
| XVII | Callirrhoe | 00043 !4.3 | 24,103,000 | 758.77 (r) | 2000 | Scotti, Spahr, McMillan, Larsen, Montani, Gleason, Gehrels | Retrograde irregular (Pasiphaë) | Jupiter | ||
| XVIII | Themisto | 00040 !4.0 | 7,284,000 | 130.02 | 1975/2000 | Kowal and Roemer (original); Sheppard, Jewitt, Fernández, Magnier (rediscovery) | Prograde irregular (Themisto) | Jupiter | ||
| XIX | Megaclite | 00027 !2.7 | 23,493,000 | 752.86 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Pasiphaë) | Jupiter | ||
| XX | Taygete | 00025 !2.5 | 23,280,000 | 732.41 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Carme) | Jupiter | ||
| XXI | Chaldene | 00019 !1.9 | 23,100,000 | 723.72 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Carme) | Jupiter | ||
| XXII | Harpalyke | 00022 !2.2 | 20,858,000 | 623.32 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Ananke) | Jupiter | ||
| XXIII | Kalyke | 00026 !2.6 | 23,483,000 | 742.06 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Carme) | Jupiter | ||
| XXIV | Iocaste | 00026 !2.6 | 21,060,000 | 631.60 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Ananke) | Jupiter | ||
| XXV | Erinome | 00016 !1.6 | 23,196,000 | 728.46 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Carme) | Jupiter | ||
| XXVI | Isonoe | 00019 !1.9 | 23,155,000 | 726.23 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Carme) | Jupiter | ||
| XXVII | Praxidike | 00034 !3.4 | 20,908,000 | 625.39 (r) | 2000 | Sheppard, Jewitt, Fernández, Magnier, Dahm, Evans | Retrograde irregular (Ananke) | Jupiter | ||
| XXVIII | Autonoe | 00020 !2.0 | 24,046,000 | 760.95 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Pasiphaë) | Jupiter | ||
| XXIX | Thyone | 00020 !2.0 | 20,939,000 | 627.21 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Ananke) | Jupiter | ||
| XXX | Hermippe | 00020 !2.0 | 21,131,000 | 633.9 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Ananke?) | Jupiter | ||
| XXXI | Aitne | 00015 !1.5 | 23,229,000 | 730.18 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Carme) | Jupiter | ||
| XXXII | Eurydome | 00015 !1.5 | 22,865,000 | 717.33 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Pasiphaë?) | Jupiter | ||
| XXXIII | Euanthe | 00015 !1.5 | 20,797,000 | 620.49 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Ananke) | Jupiter | ||
| XXXIV | Euporie | 00010 !1.0 | 19,304,000 | 550.74 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Ananke) | Jupiter | ||
| XXXV | Orthosie | 00010 !1.0 | 20,720,000 | 622.56 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Ananke) | Jupiter | ||
| XXXVI | Sponde | 00010 !1.0 | 23,487,000 | 748.34 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Pasiphaë) | Jupiter | ||
| XXXVII | Kale | 00010 !1.0 | 23,217,000 | 729.47 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Carme) | Jupiter | ||
| XXXVIII | Pasithee | 00010 !1.0 | 23,004,000 | 719.44 (r) | 2001 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Carme) | Jupiter | ||
| XXXIX | Hegemone | 00015 !1.5 | 23,577,000 | 739.88 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández | Retrograde irregular (Pasiphaë) | Jupiter | ||
| XL | Mneme | 00010 !1.0 | 21,035,000 | 620.04 (r) | 2003 | Gladman, Allen | Retrograde irregular (Ananke) | Jupiter | ||
| XLI | Aoede | 00020 !2.0 | 23,980,000 | 761.50 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández, Hsieh | Retrograde irregular (Pasiphaë) | Jupiter | ||
| XLII | Thelxinoe | 00010 !1.0 | 21,164,000 | 628.09 (r) | 2003 | Sheppard, Jewitt, Kleyna, Gladman, Kavelaars, Petit, Allen | Retrograde irregular (Ananke) | Jupiter | ||
| XLIII | Arche | 00015 !1.5 | 23,355,000 | 731.95 (r) | 2002 | Sheppard, Meech, Hsieh, Tholen, Tonry | Retrograde irregular (Carme) | Jupiter | ||
| XLIV | Kallichore | 00010 !1.0 | 23,288,000 | 728.73 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández | Retrograde irregular (Carme?) | Jupiter | ||
| XLV | Helike | 00020 !2.0 | 21,069,000 | 626.32 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández, Hsieh | Retrograde irregular (Ananke) | Jupiter | ||
| XLVI | Carpo | 00015 !1.5 | 17,058,000 | 456.30 | 2003 | Sheppard, Gladman, Kavelaars, Petit, Allen, Jewitt, Kleyna | Prograde irregular (Carpo) | Jupiter | ||
| XLVII | Eukelade | 00020 !2.0 | 23,328,000 | 730.47 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández, Hsieh | Retrograde irregular (Carme) | Jupiter | ||
| XLVIII | Cyllene | 00010 !1.0 | 23,809,000 | 752 (r) | 2003 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Pasiphaë) | Jupiter | ||
| XLIX | Kore | 00010 !1.0 | 24,543,000 | 779.17 (r) | 2003 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Pasiphaë) | Jupiter | ||
| L | Herse | 00010 !1.0 | 22,983,000 | 714.51 (r) | 2003 | Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen | Retrograde irregular (Carme) | Jupiter | ||
| — | S/2000 J 11 | 00020 !2.0 | 12,570,000 | 287.93 | 2001 | Sheppard, Jewitt, Kleyna, Fernández, Hsieh | Prograde irregular (Himalia?) | Jupiter | ||
| — | S/2003 J 2 | 00010 !1.0 | 28,455,000 | 981.55 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández, Hsieh | Retrograde irregular | Jupiter | ||
| — | S/2003 J 3 | 00010 !1.0 | 20,224,000 | 583.88 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández, Hsieh | Retrograde irregular (Ananke) | Jupiter | ||
| — | S/2003 J 4 | 00010 !1.0 | 23,933,000 | 755.26 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández, Hsieh | Retrograde irregular (Pasiphaë) | Jupiter | ||
| — | S/2003 J 5 | 00020 !2.0 | 23,498,000 | 738.74 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández, Hsieh | Retrograde irregular (Carme) | Jupiter | ||
| — | S/2003 J 9 | 00005 !0.5 | 23,388,000 | 733.30 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández | Retrograde irregular (Carme) | Jupiter | ||
| — | S/2003 J 10 | 00010 !1.0 | 23,044,000 | 716.25 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández | Retrograde irregular (Pasiphaë?) | Jupiter | ||
| — | S/2003 J 12 | 00005 !0.5 | 17,833,000 | 489.72 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández | Retrograde irregular (Ananke) | Jupiter | ||
| — | S/2003 J 15 | 00010 !1.0 | 22,630,000 | 689.77 (r) | 2003 | Sheppard, Jewitt, Kleyna, Fernández | Retrograde irregular (Ananke?) | Jupiter | ||
| — | S/2003 J 16 | 00010 !1.0 | 20,956,000 | 616.33 (r) | 2003 | Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen | Retrograde irregular (Ananke) | Jupiter | ||
| — | S/2003 J 18 | 00010 !1.0 | 20,426,000 | 596.58 (r) | 2003 | Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen | Retrograde irregular (Ananke) | Jupiter | ||
| — | S/2003 J 19 | 00010 !1.0 | 23,535,000 | 740.43 (r) | 2003 | Gladman, Sheppard, Jewitt, Kleyna, Kavelaars, Petit, Allen | Retrograde irregular (Carme) | Jupiter | ||
| — | S/2003 J 23 | 00010 !1.0 | 23,566,000 | 732.45 (r) | 2004 | Sheppard, Jewitt, Kleyna, Fernández | Retrograde irregular (Pasiphaë) | Jupiter | ||
| — | S/2010 J 1 | 00010 !1.0 | 23,314,335 | 723.2 (r) | 2010 | Jacobson, Brozovic, Gladman, Alexandersen | Retrograde irregular (Pasiphaë?) | Jupiter | ||
| — | S/2010 J 2 | 00005 !0.5 | 20,307,150 | 588.1 (r) | 2010 | Veillet | Retrograde irregular (Ananke?) | Jupiter | ||
| — | S/2011 J 1 | 00005 !0.5 | 20,155,290 | 580.7 (r) | 2011 | Sheppard | Retrograde irregular | Jupiter | ||
| — | S/2011 J 2 | 00005 !0.5 | 23,329,710 | 726.8 (r) | 2011 | Sheppard | Retrograde irregular (Pasiphaë?) | Jupiter | ||
| I | Mimas | 01988 !198.8 ± 1.5 | 185,540 | 0.942 | 1789 | Herschel | Main group moon | Saturn | ||
| II | Enceladus | 02523 !252.3 ± 0.6 | 238,040 | 1.370 | 1789 | Herschel | Main group moon | Saturn | ||
| III | Tethys | 05363 !536.3 ± 1.5 | 294,670 | 1.888 | 1684 | Cassini | Main group moon (Sidera Lodoicea) | Saturn | ||
| IV | Dione | 05625 !562.5 ± 1.5 | 377,420 | 2.737 | 1684 | Cassini | Main group moon (Sidera Lodoicea) | Saturn | ||
| V | Rhea | 07645 !764.5 ± 2.0 | 527,070 | 4.518 | 1672 | Cassini | Main group moon (Sidera Lodoicea) | Saturn | ||
| VI | Titan | 25755 !2575.5 ± 2.0 | 1,221,870 | 15.95 | 1655 | Huygens | Main group moon | Saturn | ||
| VII | Hyperion | 01330 !133.0 ± 8.0 | 1,500,880 | 21.28 | 1848 | W.Bond, G. Bond, and Lassell | Main group moon | Saturn | ||
| VIII | Iapetus | 07345 !734.5 ± 4.0 | 3,560,840 | 79.33 | 1671 | Cassini | Main group moon (Sidera Lodoicea) | Saturn | ||
| IX | Phoebe | 01066 !106.6 ± 1.1 | 12,947,780 | 550.31 (r) | 1899 | Pickering | Retrograde irregular (Norse) | Saturn | ||
| X | Janus | 00904 !90.4 ± 3.0 | 151,460 | 0.695 | 1966 | Dollfus; Voyager 1 | Inner moon (co-orbital) | Saturn | ||
| XI | Epimetheus | 00583 !58.3 ± 3.1 | 151,410 | 0.694 | 1980 | Walker; Voyager 1 | Inner moon (co-orbital) | Saturn | ||
| XII | Helene | 0016 !16 ± 4 | 377,420 | 2.737 | 1980 | Laques, Lecacheux | Main group trojan | Saturn | ||
| XIII | Telesto | 0012 !12 ± 3 | 294,710 | 1.888 | 1980 | Smith, Reitsema, Larson, Fountain (Voyager 1) | Main group trojan | Saturn | ||
| XIV | Calypso | 00095 !9.5 ± 1.5 | 294,710 | 1.888 | 1980 | Pascu, Seidelmann, Baum, Currie | Main group trojan | Saturn | ||
| XV | Atlas | 00153 !15.3 ± 1.2 | 137,670 | 0.602 | 1980 | Terrile (Voyager 1) | Inner moon (shepherd) | Saturn | ||
| XVI | Prometheus | 00468 !46.8 ± 5.6 | 139,380 | 0.613 | 1980 | Collins (Voyager 1) | Inner moon (shepherd) | Saturn | ||
| XVII | Pandora | 00406 !40.6 ± 4.5 | 141,720 | 0.629 | 1980 | Collins (Voyager 1) | Inner moon (shepherd) | Saturn | ||
| XVIII | Pan | 00128 !12.8 | 133,580 | 0.575 | 1990 | Showalter (Voyager 2) | Inner moon (shepherd) | Saturn | ||
| XIX | Ymir | 0009 !9 | 23,040,000 | 1,315.14 (r) | 2000 | Gladman | Retrograde irregular (Norse) | Saturn | ||
| XX | Paaliaq | 0011 !11 | 15,200,000 | 686.95 | 2000 | Gladman | Prograde irregular (Inuit) | Saturn | ||
| XXI | Tarvos | 00075 !7.5 | 17,983,000 | 926.23 | 2000 | Gladman, Kavelaars | Prograde irregular (Gallic) | Saturn | ||
| XXII | Ijiraq | 0006 !6 | 11,124,000 | 451.42 | 2000 | Gladman, Kavelaars | Prograde irregular (Inuit) | Saturn | ||
| XXIII | Suttungr | 00035 !3.5 | 19,459,000 | 1,016.67 (r) | 2000 | Gladman, Kavelaars | Retrograde irregular (Norse) | Saturn | ||
| XXIV | Kiviuq | 0008 !8 | 11,110,000 | 449.22 | 2000 | Gladman | Prograde irregular (Inuit) | Saturn | ||
| XXV | Mundilfari | 00035 !3.5 | 18,628,000 | 952.77 (r) | 2000 | Gladman, Kavelaars | Retrograde irregular (Norse) | Saturn | ||
| XXVI | Albiorix | 0016 !16 | 16,182,000 | 783.45 | 2000 | Holman, Spahr | Prograde irregular (Gallic) | Saturn | ||
| XXVII | Skathi | 0004 !4 | 15,540,000 | 728.20 (r) | 2000 | Gladman, Kavelaars | Retrograde irregular (Norse) | Saturn | ||
| XXVIII | Erriapus | 0005 !5 | 17,343,000 | 871.19 | 2000 | Gladman, Kavelaars | Prograde irregular (Gallic) | Saturn | ||
| XXIX | Siarnaq | 0020 !20 | 17,531,000 | 895.53 | 2000 | Gladman, Kavelaars | Prograde irregular (Inuit) | Saturn | ||
| XXX | Thrymr | 00035 !3.5 | 20,314,000 | 1,094.11 (r) | 2000 | Gladman, Kavelaars | Retrograde irregular (Norse) | Saturn | ||
| XXXI | Narvi | 00035 !3.5 | 19,007,000 | 1,003.86 (r) | 2003 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| XXXII | Methone | 00015 !1.5 | 194,440 | 1.010 | 2004 | Porco, Charnoz, Brahic, Dones (Cassini–Huygens) | Alkyonide moon | Saturn | ||
| XXXIII | Pallene | 0002 !2 | 212,280 | 1.154 | 2004 | Gordon, Murray, Beurle, et al. (Cassini–Huygens) | Alkyonide moon | Saturn | ||
| XXXIV | Polydeuces | 000125 !1.25 | 377,200 | 2.737 | 2004 | Porco et al. (Cassini–Huygens) | Main group trojan | Saturn | ||
| XXXV | Daphnis | 00035 !3–4 | 136,500 | 0.594 | 2005 | Porco et al. (Cassini–Huygens) | Inner moon (shepherd) | Saturn | ||
| XXXVI | Aegir | 0003 !3 | 20,751,000 | 1,117.52 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| XXXVII | Bebhionn | 0003 !3 | 17,119,000 | 834.84 | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Prograde irregular (Gallic) | Saturn | ||
| XXXVIII | Bergelmir | 0003 !3 | 19,336,000 | 1,005.74 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| XXXIX | Bestla | 00035 !3.5 | 20,192,000 | 1,088.72 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| XL | Farbauti | 00025 !2.5 | 20,377,000 | 1,085.55 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| XLI | Fenrir | 0002 !2 | 22,454,000 | 1,260.35 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| XLII | Fornjot | 0003 !3 | 25,146,000 | 1,494.2 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| XLIII | Hati | 0003 !3 | 19,846,000 | 1,038.61 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| XLIV | Hyrrokkin | 0004 !4 | 18,437,000 | 931.86 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| XLV | Kari | 00035 !3.5 | 22,089,000 | 1,230.97 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| XLVI | Loge | 0003 !3 | 23,058,000 | 1,311.36 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| XLVII | Skoll | 0003 !3 | 17,665,000 | 878.29 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| XLVIII | Surtur | 0003 !3 | 22,704,000 | 1,297.36 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| XLIX | Anthe | 0001 !1 | 197,700 | 1.0365 | 2007 | Porco et al. (Cassini–Huygens) | Alkyonide moon | Saturn | ||
| L | Jarnsaxa | 0003 !3 | 18,811,000 | 964.74 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| LI | Greip | 0003 !3 | 18,206,000 | 921.19 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| LII | Tarqeq | 00035 !3.5 | 18,009,000 | 887.48 | 2007 | Sheppard, Jewitt, Kleyna | Prograde irregular (Inuit) | Saturn | ||
| LIII | Aegaeon | 000025 !0.25 | 167,500 | 0.808 | 2008 | Cassini Imaging Science Team Cassini–Huygens | G-ring moonlet | Saturn | ||
| — | S/2004 S 7 | 0003 !3 | 20,999,000 | 1,140.24 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| — | S/2004 S 12 | 00025 !2.5 | 19,878,000 | 1,046.19 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| — | S/2004 S 13 | 0003 !3 | 18,404,000 | 933.48 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| — | S/2004 S 17 | 0002 !2 | 19,447,000 | 1,014.70 (r) | 2004 | Sheppard, Jewitt, Kleyna, Marsden | Retrograde irregular (Norse) | Saturn | ||
| — | S/2006 S 1 | 0003 !3 | 18,790,000 | 963.37 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| — | S/2006 S 3 | 0003 !3 | 22,096,000 | 1,227.21 (r) | 2006 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| — | S/2007 S 2 | 0003 !3 | 16,725,000 | 808.08 (r) | 2007 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| — | S/2007 S 3 | 0003 !3 | 18,975,000 | 977.8 (r) | 2007 | Sheppard, Jewitt, Kleyna | Retrograde irregular (Norse) | Saturn | ||
| — | S/2009 S 1 | 000015 !0.15 | 117,000 | 0.471 | 2009 | Cassini Imaging Science Team Cassini–Huygens | B-ring moonlet | Saturn | ||
| I | Ariel | 05789 !578.9 ± 0.6 | 190,900 | 2.520 | 1851 | Lassell | Main group moon | Uranus | ||
| II | Umbriel | 05847 !584.7 ± 2.8 | 266,000 | 4.144 | 1851 | Lassell | Main group moon | Uranus | ||
| III | Titania | 07889 !788.9 ± 1.8 | 436,300 | 8.706 | 1787 | Herschel | Main group moon | Uranus | ||
| IV | Oberon | 07614 !761.4 ± 2.6 | 583,500 | 13.46 | 1787 | Herschel | Main group moon | Uranus | ||
| V | Miranda | 02358 !235.8 ± 0.7 | 129,900 | 1.413 | 1948 | Kuiper | Main group moon | Uranus | ||
| VI | Cordelia | 00201 !20.1 ± 3 | 49,800 | 0.335 | 1986 | Terrile (Voyager 2) | Inner moon (shepherd) | Uranus | ||
| VII | Ophelia | 00214 !21.4 ± 4 | 53,800 | 0.376 | 1986 | Terrile (Voyager 2) | Inner moon (shepherd) | Uranus | ||
| VIII | Bianca | 00257 !25.7 ± 2 | 59,200 | 0.435 | 1986 | Smith (Voyager 2) | Inner moon | Uranus | ||
| IX | Cressida | 00398 !39.8 ± 2 | 61,800 | 0.464 | 1986 | Synnott (Voyager 2) | Inner moon | Uranus | ||
| X | Desdemona | 00320 !32.0 ± 4 | 62,700 | 0.474 | 1986 | Synnott (Voyager 2) | Inner moon | Uranus | ||
| XI | Juliet | 00468 !46.8 ± 4 | 64,400 | 0.493 | 1986 | Synnott (Voyager 2) | Inner moon | Uranus | ||
| XII | Portia | 00676 !67.6 ± 4 | 66,100 | 0.513 | 1986 | Synnott (Voyager 2) | Inner moon | Uranus | ||
| XIII | Rosalind | 0036 !36 ± 6 | 69,900 | 0.558 | 1986 | Synnott (Voyager 2) | Inner moon | Uranus | ||
| XIV | Belinda | 00403 !40.3 ± 8 | 75,300 | 0.624 | 1986 | Synnott (Voyager 2) | Inner moon | Uranus | ||
| XV | Puck | 0081 !81 ± 2 | 86,000 | 0.762 | 1985 | Synnott (Voyager 2) | Inner moon | Uranus | ||
| XVI | Caliban | 0049 !49 | 7,231,000 | 579.73 (r) | 1997 | Gladman, Nicholson, Burns, Kavelaars | Retrograde irregular | Uranus | ||
| XVII | Sycorax | 0095 !95 | 12,179,000 | 1,288.3 (r) | 1997 | Gladman, Nicholson, Burns, Kavelaars | Retrograde irregular | Uranus | ||
| XVIII | Prospero | 0015 !15 | 16,256,000 | 1,978.29 (r) | 1999 | Gladman, Holman, Kavelaars, Petit, Scholl | Retrograde irregular | Uranus | ||
| XIX | Setebos | 0015 !15 | 17,418,000 | 2,225.21 (r) | 1999 | Gladman, Holman, Kavelaars, Petit, Scholl | Retrograde irregular | Uranus | ||
| XX | Stephano | 0010 !10 | 8,004,000 | 677.36 (r) | 1999 | Gladman, Holman, Kavelaars, Petit, Scholl | Retrograde irregular | Uranus | ||
| XXI | Trinculo | 0005 !5 | 8,504,000 | 749.24 (r) | 2001 | Holman, Kavelaars, Milisavljevic | Retrograde irregular | Uranus | ||
| XXII | Francisco | 0006 !6 | 4,276,000 | 266.56 (r) | 2001 | Holman, Kavelaars, Milisavljevic, Gladman | Retrograde irregular | Uranus | ||
| XXIII | Margaret | 00055 !5.5 | 14,345,000 | 1,687.01 | 2003 | Sheppard, Jewitt | Prograde irregular | Uranus | ||
| XXIV | Ferdinand | 0006 !6 | 20,901,000 | 2,887.21 (r) | 2001 | Holman, Kavelaars, Milisavljevic, et al. | Retrograde irregular | Uranus | ||
| XXV | Perdita | 0010 !10 | 76,417 | 0.638 | 1986 | Karkoschka (Voyager 2) | Inner moon | Uranus | ||
| XXVI | Mab | 0005 !5 | 97,736 | 0.923 | 2003 | Showalter, Lissauer | Inner moon | Uranus | ||
| XXVII | Cupid | 0005 !5 | 74,392 | 0.613 | 2003 | Showalter, Lissauer | Inner moon | Uranus | ||
| I | Triton | 13534 !1353.4 ± 0.9 | 354,800 | 5.877 (r) | 1846 | Lassell | Main group moon (retrograde) | Neptune | ||
| II | Nereid | 0170 !170 ± 25 | 5,513,400 | 360.14 | 1949 | Kuiper | Prograde irregular | Neptune | ||
| III | Naiad | 0033 !33 ± 3 | 48,227 | 0.294 | 1989 | Terrile (Voyager 2) | Inner moon | Neptune | ||
| IV | Thalassa | 0041 !41 ± 3 | 50,075 | 0.311 | 1989 | Terrile (Voyager 2) | Inner moon | Neptune | ||
| V | Despina | 0075 !75 ± 3 | 52,526 | 0.335 | 1989 | Synnott (Voyager 2) | Inner moon | Neptune | ||
| VI | Galatea | 0088 !88 ± 4 | 61,953 | 0.429 | 1989 | Synnott (Voyager 2) | Inner moon | Neptune | ||
| VII | Larissa | 0097 !97 ± 3 | 73,548 | 0.555 | 1989 | Reitsema, Hubbard, Lebofsky, Tholen (Voyager 2) | Inner moon | Neptune | ||
| VIII | Proteus | 0210 !210 ± 7 | 117,647 | 1.122 | 1989 | Synnott (Voyager 2) | Inner moon | Neptune | ||
| IX | Halimede | 0031 !31 | 15,728,000 | 1,879.71 (r) | 2002 | Holman, Kavelaars, Grav, Fraser, Milisavljevic | Retrograde irregular | Neptune | ||
| X | Psamathe | 0020 !20 | 46,695,000 | 9,115.91 (r) | 2003 | Jewitt, Kleyna, Sheppard, Holman, Kavelaars | Retrograde irregular | Neptune | ||
| XI | Sao | 0022 !22 | 22,422,000 | 2,914.07 | 2002 | Holman, Kavelaars, Grav, Fraser, Milisavljevic | Prograde irregular | Neptune | ||
| XII | Laomedeia | 0021 !21 | 23,571,000 | 3,167.85 | 2002 | Holman, Kavelaars, Grav, Fraser, Milisavljevic | Prograde irregular | Neptune | ||
| XIII | Neso | 0030 !30 | 48,387,000 | 9,373.99 (r) | 2002 | Holman, Kavelaars, Grav, Fraser, Milisavljevic | Retrograde irregular | Neptune | ||
| I | Charon | 06036 !603.6 ± 1.4 | 17,536 | 6.387 | 1978 | Christy | Pluto | |||
| II | Nix | 004525 !23–67.5 | 48,708 | 24.86 | 2005 | Weaver, Stern, Buie, et al. | Pluto | |||
| III | Hydra | 0057 !30.5–83.5 | 64,749 | 38.20 | 2005 | Weaver, Stern, Buie, et al. | Pluto | |||
| — | S/2011 P 1 | 001175 !6.5–17 | 59,000 | 32.1 | 2011 | Showalter (Hubble) | Pluto | |||
| — | S/2012 P 1 | 000875 !5–12.5 | 42,000 ± 2,000 | 20.2 ± 0.1 | 2012 | Showalter (Hubble) | Pluto | |||
| I | Hiʻiaka | 0155 !155 | 49,500 ± 400 | 49.12 ± 0.03 | 2005 | Brown et al. | Haumea | |||
| II | Namaka | 0085 !85 | 39,000 (r) | 34.7 ± 0.1 if e = 0 |
2005 | Brown et al. | Haumea | |||
| I | Dysnomia | 0342 !342 | 37,370 ± 150 | 15.774 ± 0.002 | 2005 | Brown, Rabinowitz, Trujillo et al. | SDO moon | Eris |
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Read more about this topic: List Of Natural Satellites
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