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Moons in the Solar System

There are currently 181 known moons in our solar system orbiting the various planets and dwarf planets. Of the 13 planets and dwarf planets, there are four which don't have any moons. These are the planets Mercury and Venus, and the dwarf planets Ceres and Makemake.

List of Moons in the Solar System
MoonDiscoveredDiscovererDistance from Planet (km)Diameter (km)Orbital Period (days)
Earth: 1 Moon
Moon (Luna)--384,4003,47527.322
Mars: 2 Moons
Deimos1877Asaph Hall23,46012.41.2624
Phobos1877Asaph Hall9,27022.50.3189
Jupiter: 67 Moons
Adrastea1979Jewitt & Danielson128,98026 X 160.298
Aitne2001S. Sheppard, D. Jewitt, & J. Kleyna23,547,0003736
Amalthea1892E. Barnard181,300262 X 1340.498
Ananke1951S. Nicholson21,200,00020631
Aoede2003S. Sheppard, D. Jewitt, & J. Kleyna23,807,6554748.8
Arche2002S. Sheppard23,064,0003715.6
Autonoe2001S. Sheppard, D. Jewitt, & J. Kleyna24,122,0004753
Callisto1610Galileo1,883,0004,80016.689
Carme1938S. Nicholson22,600,00030692
Callirrhoe2000Spacewatch Project
Minor Planet Center
24,200,00010774
Carpo2003S. Sheppard, D. Jewitt, & J. Kleyna17,100,0003456.5
Chaldene2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier23,179,0003.8741
Cyllene2003S. Sheppard, D. Jewitt, & J. Kleyna24,000,0002737.8
Elara1905C. Perrine11,737,00080259.65
Erinome2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier23,279,0003.2672
Euanthe2001S. Sheppard, D. Jewitt, & J. Kleyna21,017,0003622
Eukelade2003S. Sheppard, D. Jewitt, & J. Kleyna24,557,2954746.4
Euporie2001S. Sheppard, D. Jewitt, & J. Kleyna19,394,0002534
Europa1610Galileo670,90031263.551
Eurydome2001S. Sheppard, D. Jewitt, & J. Kleyna23,219,0003713
Ganymede1610Galileo1,070,00052767.155
Harpalyke2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier21,105,0004.3595
Hegemone2003S. Sheppard, D. Jewitt, & J. Kleyna24,514,0953781.6
Helike2003S. Sheppard, D. Jewitt, & J. Kleyna10,972,8304233.8
Hermippe2001S. Sheppard, D. Jewitt, & J. Kleyna21,252,0004630
Himalia1904C. Perrine11,480,000170250.57
Io1610Galileo421,6003,6291.769
Iocaste2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier21,269,0005.2657
Isonone2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier23,217,0003.8712
Kale2001S. Sheppard, D. Jewitt, & J. Kleyna23,124,0002609
Kallichore2003S. Sheppard, D. Jewitt, & J. Kleyna22,395,3902683.0
Kalyke2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier23,583,0005.2760
Kore2003S. Sheppard, D. Jewitt, & J. Kleyna24,543,0002779.2
Leda1974C. Kowal11,094,00010238.72
Lysithea1938S. Nicholson11,720,00024259.22
Magaclite2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier23,806,0005.4771
Metis1979S. Sunnott127,960400.295
Mneme2003Scott S. Sheppard & B. Gladman21,069,0002620.04
Orthosie2001S. Sheppard, D. Jewitt, & J. Kleyna21,168,0002617
Pasiphae1908P. Melotte23,500,00036735
Pasithee2001S. Sheppard, D. Jewitt, & J. Kleyna23,029,0002715
Praxidike2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier21,147,0006.8632
Sinope1914S. Nicholson23,700,70028758
Sponde2001S. Sheppard, D. Jewitt, & J. Kleyna23,808,0002732
S/2000 J112000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier12,555,0004.0284.3
S/2003 J22003S. Sheppard, D. Jewitt, & J. Kleyna28,570,4102982.5
S/2003 J32003S. Sheppard, D. Jewitt, & J. Kleyna18,339,8852504.0
S/2003 J42003S. Sheppard, D. Jewitt, & J. Kleyna23,257,9202723.2
S/2003 J52003S. Sheppard, D. Jewitt, & J. Kleyna24,084,1804759.7
S/2003 J92003S. Sheppard, D. Jewitt, & J. Kleyna22,441,6801683.0
S/2003 J102003S. Sheppard, D. Jewitt, & J. Kleyna24,249,6002767.0
S/2003 J122003S. Sheppard, D. Jewitt, & J. Kleyna19,002,4801533.3
S/2003 J152003S. Sheppard, D. Jewitt, & J. Kleyna22,000,0002668.4
S/2003 J162003S. Sheppard, D. Jewitt, & J. Kleyna21,000,0002595.4
S/2003 J172003S. Sheppard, D. Jewitt, & J. Kleyna22,000,0002690.3
S/2003 J182003S. Sheppard, D. Jewitt, & J. Kleyna20,700,0002606.3
S/2003 J192003S. Sheppard, D. Jewitt, & J. Kleyna22,800,0002701.3
S/2003 J 232003S. Sheppard, D. Jewitt, & J. Kleyna23,563,0002732.44
S/2010 J 12010S. Sheppard, D. Jewitt, & J. Kleyna23,314,3352582.22
S/2010 J 22010Veillet20,307,1501725.06
S/2011 J 22011S. Sheppard, D. Jewitt, & J. Kleyna23,329,7101588.82
S/2011 J 12011Jacobson et al.20,155,2901724.34
Taygete2000S. Sheppard, D. Jewitt, Y. Fernandez, & G. Magnier23,360,0005.0687
Thebe1979S. Synnott221,9001000.675
Thelxinoe2003Scott S. Sheppard & B. Gladman21,162,0002628.09
Themisto1975C. Kowal & E. Roemer7,507,0008130.07
Thyone2001S. Sheppard, D. Jewitt, & J. Kleyna21,312,0004615
Saturn: 62 Moons
Aegir2005D. Jewitt, S. Sheppard, J. Kleyna20,735,00061,116.5
Albiorix2000Gladman et al.16,392,00030783
Anthe2004Cassini Imaging Team197,70011.04
Atlas1980R. Terrile137,64037 X 270.602
Bebhionn2005D. Jewitt, S. Sheppard, J. Kleyna17,119,0006834.8
Bergelmir2005D. Jewitt, S. Sheppard, J. Kleyna19,338,00061,005.9
Bestla2005D. Jewitt, S. Sheppard, J. Kleyna20,129,00071,083.6
Calypso1980B. Smith294,66030 X 161.888
Daphnis2005Cassini Imaging Science Team136,50070.594
Dione1684G. Cassini377,40011202.737
Enceladus1789W. Herschel238,0204981.370
Epimetheus1966R. Walker151,422138 X 1100.694
Erriapo2000Intl. Team of 8 Astronomers17,611,00010871.17
Farbauti2005D. Jewitt, S. Sheppard, J. Kleyna20,390,00051,086.1
Fenrir2005D. Jewitt, S. Sheppard, J. Kleyna22,453,00041,260.3
Fornjot2005D. Jewitt, S. Sheppard, J. Kleyna25,108,00061,490.9
Greip2006S. Sheppard, D. Jewitt, J. Kleyna18,206,0006921.2
Hati2005D. Jewitt, S. Sheppard, J. Kleyna19,856,00061,038.7
Helene1980Laques & Lecacheux377,40036 X 282.737
Hyperion1848W. Bond1,481,000360 X 22621.277
Hyrokkin2006S. Sheppard, D. Jewitt, J. Kleyna18,437,0008931.8
Iapetus1671G. Cassini3,561,300143679.3215
Ijiraq2000Intl. Team of 8 Astronomers11,440,00014451.48
Janus1966A. Dollfus151,472190 X 1540.695
Jarnsaxa2006S. Sheppard, D. Jewitt, J. Kleyna18,811,0006964.7
Kari2006S. Sheppard, D. Jewitt, J. Kleyna22,118,00071,233.6
Kiviuq2000Intl. Team of 8 Astronomers11,365,00017449.22
Loge2006S. Sheppard, D. Jewitt, J. Kleyna23,065,00061,312.0
Methone2004C.C. Porco et al./Cassini194,00031.01
Mimas1789W. Herschel185,5203980.942
Mundilfari2000Intl. Team of 8 Astronomers18,709,0007951.38
Narvi2003Scott S. Sheppard, David Jewitt, and Jan Kleyna18,719,0008956.2
Paaliaq2000Intl. Team of 8 Astronomers15,199,00025686.92
Pallene2004C.C. Porco et al./Cassini211,00041.14
Pan1990M. Showalter133,63019.320.5750
Pandora1980S. Collins141,700110 X 620.629
Phoebe1898W. Pickering12,952,000220550.48
Polydeuces2004C.C. Porco et al./Cassini377,40042.74
Prometheus1980S. Collins139,350148 X 680.613
Rhea1672G. Cassini527,04015284.518
Siarnaq2000Intl. Team of 8 Astronomers18,160,00045893.07
Skathi2000Intl. Team of 8 Astronomers15,645,0008728.93
Skoll2006S. Sheppard, D. Jewitt, J. Kleyna17,665,0006878.3
Surtur2006S. Sheppard, D. Jewitt, J. Kleyna22,707,00061,297.7
Suttungr2000Gladman et al.19,470,00071016.8
S/2004 S072004D. Jewitt, S. Sheppard, J. Kleyna19,800,00061,103
S/2004 S122004D. Jewitt, S. Sheppard, J. Kleyna19,650,00051,048
S/2004 S132004D. Jewitt, S. Sheppard, J. Kleyna18,450,0006906
S/2004 S172004D. Jewitt, S. Sheppard, J. Kleyna18,600,0004986
S/2006 S12006S. Sheppard, D. Jewitt, J. Kleyna18,981,1356970
S/2006 S32006S. Sheppard, D. Jewitt, J. Kleyna21,132,00061,142
S/2007 S22007S. Sheppard, D. Jewitt, J. Kleyna16,560,0006800
S/2007 S32007S. Sheppard, D. Jewitt, J. Kleyna20,518,50051,100
Tarqeq2007S. Sheppard, D. Jewitt, J. Kleyna18,009,0007887.5
Tarvos2000Intl. Team of 8 Astronomers18,239,00016925.70
Telesto1980B. Smith294,66030 X 161.888
Tethys1684G. Cassini294,66010601.888
Thrymr2000Intl. Team of 8 Astronomers20,470,00071088.89
Titan1655C. Huygens1,221,850515015.945
Ymir2000Intl. Team of 8 Astronomers23,096,000201312.37
Uranus: 27 Moons
Ariel1851W. Lassell191,24011602.520
Belinda1986Voyager 275,260660.624
Bianca1986Voyager 275,260420.433
Caliban1997Gladman, Nicholson, Burns, & Kavelaars7,200,00080579.5
Cordelia1986Voyager 249,750260.335
Cressida1986Voyager 261,770620.464
Cupid2003M. Showalter & J. Lissauer74,800120.618
Desdemona1986Voyager 262,660540.474
Ferdinand2001M. Holman & B. Gladman et al20,901,000212,823.4
Francisco2001M. Holman & B. Gladman et al4,276,00022266.6
Juliet1986Voyager 264,360840.493
Mab2003M. Showalter & J. Lissauer97,734160.923
Margaret2003S. Sheppard14,688,700111,694.8
Miranda1948G. Kuiper129,7804721.414
Oberon1787W. Herschel582,600152613.463
Ophelia1986Voyager 253,44030.40.3764
Perdita1986E. Karkoschka/Voyager 276,420200.638
Portia1986Voyager 266,0851080.513
Prospero1999Kavelaars, Gladman, Holman et al16,256,000305.346
Puck1985Voyager 286,0101540.762
Rosalind1986Voyager 269,941540.558
Setebos1999Kavelaars, Gladman, Holman et al17,418,000472,234.8
Stephano1999Kavelaars, Gladman, Holman et al8,004,00032677.4
Sycorax1997Gladman, Nicholson, Burns, & Kavelaars12,200,0001601283.39
Titania1787W. Herschel435,8401,5788.706
Trinculo2001M. Holman, J. Kavelaars & D. Milisavljevic8,578,00010759.0
Umbriel1851W. Lassel265,97011904.144
Neptune: 14 Moons
Despina1989Voyager 262,0001600.40
Galatea1989Voyager 252,5001400.33
Halimede2002M. Holman & J.J. Kavelaars15,686,000601,874.83
Larissa1989Voyager 273,6002000.56
Laomedeia2002M. Holman & J.J. Kavelaars22,613,200382,980.4
Naiad1989Voyager 248,200500.30
Nereid1949G. Kuiper5,513,400340360.16
Neso2002Holman & Gladman et al47,279,670609,007.1
Proteus1989Voyager 2117,6004201.12
Psamathe2003D. Jewitt, J. Kleyna & S. Sheppard46,738,000389,136.11
Sao2002M. Holman & J.J. Kavelaars22,337,190382,925.6
Thalassa1989Voyager 250,000900.31
Triton1846W. Lassel354,80027055.877
S/2004 N 12013Showalter, M. R. et al.105,30016–200.936
Pluto: 5 Moons
Charon1978J. Christy19,5711,2076.387
Nix2005H.A. Weaver, S.A. Stern, et al.48,67544-13024.856
Hydra2005H.A. Weaver, S.A. Stern, et al.64,78044-13038.206
Kerberos2011Showalter, M. R. et al.59,00013-3432.1
Styx2012Showalter, M. R. et al.42,00010-2520.2
Eris: 1 Moon
Dysnomia2005M. Brown, M. van Dam, A. Bouches, D. Le Mignant30,000-36,000~300~14
Haumea: 2 Moons
Namaka2005H.A. Weaver, S.A. Stern, et al.~39,000~17034.7
Hi'iaka2005H.A. Weaver, S.A. Stern, et al.49,500~31049.12

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