![[Montage of Jupiter and the Galilean Satellites]](/planetary/image/jovian_sats.jpg)
Mass Radius Mean density Visual geometric albedo
(1020 kg) (km) (kg/m3)
Galilean Satellites
Io (JI) 893.2 1821.6 3530 0.62
Europa (JII) 480.0 1560.8 3010 0.68
Ganymede (JIII) 1481.9 2631.2 1940 0.44
Callisto (JIV) 1075.9 2410.3 1830 0.19
Lesser Satellites
Metis (JXVI, S/1979 J3) 0.001 20 0.06
Adrastea (JXV, S/1979 J1) 0.0002 13 x 10 x 8 0.10
Amalthea (JV) 0.075 131 x 73 x 67 3100 0.09
Thebe (JXIV, S/1979 J2) 0.008 55 x 45 0.05
Themisto (JXVIII, S/1975 J1) 4 0.04
Leda (JXIII) 0.00006 5 0.07
Himalia (JVI) 0.095 85 0.03
Lysithea (JX) 0.0008 12 0.06
Elara (JVII) 0.008 40 0.03
S/2000 J11 2.0 0.04
Carpo (XLVI, S/2003 J20) 3.0
Euporie (JXXXIV, S/2001 J10) 1.0
Orthosie (JXXXV, S/2001 J9) 1.0
Euanthe (JXXXIII, S/2001 J7) 1.5
Thyone (JXXIX, S/2001 J2) 2.0
Mneme (JXL, S/2003 J21) 2.0
Harpalyke (JXXII, S/2000 J5) 2.2 0.04
Hermippe (JXXX, S/2001 J3) 2.0
Praxidike (JXXVII, S/2000 J7) 3.4 0.04
Thelxinoe (XLII, S/2003 J22) 2.0
Helike (XLV, S/2003 J6) 4.0
Iocaste (JXXIV, S/2000 J3) 2.6 0.04
Ananke (JXII) 0.0004 10 0.06
Eurydome (JXXXII, S/2001 J4) 1.5
Arche (XLIII, S/2002 J1) 1.5
Autonoe (JXXVIII, S/2001 J1) 2.0
Pasithee (JXXXVIII, S/2001 J6) 1.0
Chaldene (JXXI, S/2000 J10) 1.9 0.04
Kale (JXXXVII, S/2001 J8) 1.0
Isonoe (JXXVI, S/2000 J6) 1.9 0.04
Aitne (JXXXI, S/2001 J11) 1.5
Erinome (JXXV, S/2000 J4) 1.6 0.04
Taygete (JXX, S/2000 J9) 2.5 0.04
Carme (JXI) 0.001 15 0.06
Sponde (JXXXVI, S/2001 J5) 1.0
Kalyke (JXXIII, S/2000 J2) 2.6 0.04
Pasiphae (JVIII) 0.003 18 0.10
Eukelade (XLVII, S/2003 J1) 4.0
Megaclite (JXIX, S/2000 J8) 2.7 0.04
Sinope (JIX) 0.0008 14 0.05
Hegemone (JXXXIX, S/2003 J8) 3.0
Aoede (XLI, S/2003 J7) 4.0
Kallichore (XLIV, S/2003 J11) 2.0
Callirrhoe (JXVII, S/1999 J1) 4 0.04
Cyllene (XLVIII, S/2003 J13) 2.0
Kore (XLIX, S/2003 J14) 2.0
Recently Discovered Unnamed Satellites
Mass Radius Mean density Visual geometric albedo
(1020 kg) (km) (kg/m3)
S/2003 J2 2.0
S/2003 J3 2.0
S/2003 J4 2.0
S/2003 J5 4.0
S/2003 J9 1.0
S/2003 J10 2.0
S/2003 J12 1.0
S/2003 J15 2.0
S/2003 J16 2.0
S/2003 J17 2.0
S/2003 J18 2.0
S/2003 J19 2.0
S/2003 J23 2.0
Orbital Rotation
Semimajor axis Period* Period Inclination Eccentricity
(103 km) (Jovian Radii) (days) (days) (degrees)
Galilean Satellites
Io (JI) 421.6 5.91 1.769138 S 0.04 0.004
Europa (JII) 670.9 9.40 3.551181 S 0.47 0.0101
Ganymede (JIII) 1070.4 14.97 7.154553 S 0.21 0.0015
Callisto (JIV) 1882.7 26.33 16.689018 S 0.51 0.007
Lesser Satellites
Metis (JXVI, S/1979 J3) 128.0 1.79 0.294779 S 0.06 0.0002
Adrastea (JXV, S/1979 J1) 129.0 1.80 0.298260 S 0.03 0.0015
Amalthea (JV) 181.4 2.54 0.498179 S 0.40 0.003
Thebe (JXIV, S/1979 J2) 221.9 3.11 0.6745 0.8 0.018
Themisto (JXVIII, S/1975 J1) 7507 105.00 130.02 45.67 0.242
Leda (JXIII) 11170 156.2 240.92 27.47 0.164
Himalia (JVI) 11460 160.3 250.5662 0.4 27.63 0.162
Lysithea (JX) 11720 163.9 259.22 27.35 0.112
Elara (JVII) 11740 164.2 259.6528 0.5 24.77 0.217
S/2000 J11 12560 175.7 287.0 28.3 0.248
Carpo (XLVI, S/2003 J20) 16990 237.6 456.1 51.4 0.430
Euporie (JXXXIV, S/2001 J10) 19390 271.2 553.1R 147.0 0.156
Orthosie (JXXXV, S/2001 J9) 20720 289.8 622.6R 145.9 0.281
Euanthe (JXXXIII, S/2001 J7) 20800 290.9 620.6R 148.9 0.232
Thyone (JXXIX, S/2001 J2) 20940 292.9 627.3R 148.5 0.229
Mneme (JXL, S/2003 J21) 21070 294.7 620.0R 148.6 0.227
Harpalyke (JXXII, S/2000 J5) 21110 295.3 623.3R 148.7 0.227
Hermippe (JXXX, S/2001 J3) 21130 295.6 633.9R 150.7 0.210
Praxidike (JXXVII, S/2000 J7) 21150 295.8 625.3R 148.7 0.220
Thelxinoe (XLII, S/2003 J22) 21160 296.0 628.1R 151.4 0.221
Helike (XLV, S/2003 J6) 21260 297.4 634.8R 154.8 0.156
Iocaste (JXXIV, S/2000 J3) 21270 297.5 631.5R 159.7 0.218
Ananke (JXII) 21280 297.7 629.8R 148.9 0.244
Eurydome (JXXXII, S/2001 J4) 22870 319.9 717.3R 150.3 0.276
Arche (XLIII, S/2002 J1) 22930 320.7 723.9R 165.0 0.259
Autonoe (JXXVIII, S/2001 J1) 23040 322.3 762.7R 152.9 0.334
Pasithee (JXXXVIII, S/2001 J6) 23100 323.1 716.3R 165.4 0.288
Chaldene (JXXI, S/2000 J10) 23180 324.2 723.8R 165.4 0.238
Kale (JXXXVII, S/2001 J8) 23220 324.8 729.5R 165.0 0.260
Isonoe (JXXVI, S/2000 J6) 23220 324.8 725.5R 165.0 0.261
Aitne (JXXXI, S/2001 J11) 23230 324.9 730.2R 165.1 0.264
Erinome (JXXV, S/2000 J4) 23280 325.6 728.3R 164.9 0.270
Taygete (JXX, S/2000 J9) 23360 326.7 732.2R 165.2 0.251
Carme (JXI) 23400 327.3 734.2R 164.9 0.253
Sponde (JXXXVI, S/2001 J5) 23490 328.6 748.3R 151.0 0.312
Kalyke (JXXIII, S/2000 J2) 23580 329.8 743.0R 165.2 0.243
Pasiphae (JVIII) 23620 330.4 743.6R 151.4 0.409
Eukelade (XLVII, S/2003 J1) 23660 330.9 746.4R 165.5 0.272
Megaclite (JXIX, S/2000 J8) 23810 333.0 752.8R 152.8 0.421
Sinope (JIX) 23940 334.9 758.9R 158.1 0.250
Hegemone (JXXXIX, S/2003 J8) 23950 335.0 739.6R 155.2 0.328
Aoede (XLI, S/2003 J7) 23980 335.4 761.5R 158.3 0.432
Kallichore (XLIV, S/2003 J11) 24040 336.3 764.7R 165.5 0.264
Callirrhoe (JXVII, S/1999 J1) 24100 337.1 758.8R 147.1 0.283
Cyllene (XLVIII, S/2003 J13) 24350 340.6 737.8R 149.3 0.319
Kore (XLIX, S/2003 J14) 24540 343.3 779.2R 152.4 0.325
Recently Discovered Unnamed Satellites
Orbital Rotation
Semimajor axis Period* Period Inclination Eccentricity
(103 km) (Jovian Radii) (days) (days) (degrees)
S/2003 J2 28570 399.6 982.5R 151.8 0.380
S/2003 J3 18340 256.5 504.0R 143.7 0.241
S/2003 J4 23260 325.4 723.2R 144.9 0.204
S/2003 J5 24080 336.8 759.7R 165.0 0.210
S/2003 J9 22440 313.9 683.0R 164.5 0.269
S/2003 J10 24250 339.2 767.0R 164.1 0.214
S/2003 J12 19000 265.8 533.3R 145.8 0.376
S/2003 J15 22000 307.7 668.4R 140.8 0.110
S/2003 J16 21000 293.7 595.4R 148.6 0.270
S/2003 J17 22000 307.7 690.3R 163.7 0.190
S/2003 J18 20700 289.5 606.3R 146.5 0.119
S/2003 J19 22800 318.9 701.3R 162.9 0.334
S/2003 J23 24060 336.5 759.7R 149.2 0.309
*R indicates retrograde motionThemisto (S/1975 J1) was also designated S/2000 J1
New satellites of Jupiter discovered in 2003 New Jupiter satellite S/2002 J1 (2002) Eleven new Jovian moons discovered (2002) Eleven new Jovian moons discovered (2000) Jovian moon "rediscovered" after 25 years
Jupiter's Known Satellites - Carnegie Institution, DTM
Galilean Satellite Fact Table
Jupiter Fact Sheet
Jupiter Home Page
Notes on the Factsheets
Directory to other Planetary Fact Sheets
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