Jovian Satellite Fact Sheet (original) (raw)

95 Confirmed Moons

Bulk parameters

| | Mass(1020 kg) | Radius(km) | Mean density(kg/m3) | Visualgeometric albedo | | | --------------------------------- | ---------- | ------------------- | ---------------------- | ---- | | | | | | | | | Galilean Satellites | | | | | | Io (I) | 893.2 | 1821.5 | 3530 | 0.62 | | Europa (II) | 480.0 | 1560.8 | 3010 | 0.68 | | Ganymede (III) | 1481.9 | 2631.2 | 1940 | 0.44 | | Callisto (IV) | 1075.9 | 2410.3 | 1830 | 0.19 | | | | | | | | Lesser Satellites | | | | | | Metis (XVI, S/1979 J3) | 0.001 | 30 x 20 x 17 | | 0.06 | | Adrastea (XV, S/1979 J1) | 0.0002 | 10 x 8 x 7 | | 0.10 | | Amalthea (V) | 0.075 | 125 x 73 x 64 | 3100 | 0.09 | | Thebe (XIV, S/1979 J2) | 0.008 | 58 x 49 x 42 | | 0.05 | | | | | | | | Themisto (XVIII, S/1975 J1) | | 4.5 | | 0.04 | | | | | | | | Leda (XIII) | 0.00006 | 9 | | 0.07 | | Himalia (VI) | 0.095 | 85 | | 0.03 | | Ersa (LXXI, S/2018 J1) | | 1.5 | | | | S/2018 J2 | | 1.5 | | | | Pandia (LXV, S/2017 J4) | | 1.5 | | | | Lysithea (X) | 0.0008 | 12 | | 0.06 | | Elara (VII) | 0.008 | 40 | | 0.03 | | S/2011 J3 | | 1.5 | | | | Dia (LIII, S/2000 J11) | | 2.0 | | 0.04 | | | | | | | | S/2018 J4 | | 1.0 | | | | Carpo (XLVI, S/2003 J20) | | 1.5 | | | | Valetudo (LXII, S/2016 J2) | | 0.5 | | | | Euporie (XXXIV, S/2001 J10) | | 1.0 | | | | | | | | | | S/2003 J18 (LV) | | 2.0 | | | | S/2010 J2 (LII) | | 2.0 | | | | S/2003 J16 | | 2.0 | | | | S/2003 J2 | | 2.0 | | | | S/2017 J7 (LXVIII) | | 1.0 | | | | S/2016 J1 (LIV) | | 0.5 | | | | S/2017 J3 (LXIV) | | 1.0 | | | | Orthosie (XXXV, S/2001 J9) | | 1.0 | | | | S/2021 J1 | | 0.5 | | | | Euanthe (XXXIII, S/2001 J7) | | 1.5 | | | | Thyone (XXIX, S/2001 J2) | | 2.0 | | | | | | | | | | S/2022 J3 | | 1.0 | | | | Mneme (XL, S/2003 J21) | | 2.0 | | | | Harpalyke (XXII, S/2000 J5) | | 2.2 | | 0.04 | | Hermippe (XXX, S/2001 J3) | | 2.0 | | | | Praxidike (XXVII, S/2000 J7) | | 3.4 | | 0.04 | | Thelxinoe (XLII, S/2003 J22) | | 2.0 | | | | S/2021 J2 | | 0.5 | | | | Eupheme (LX, S/2003 J3) | | 2.0 | | | | Helike (XLV, S/2003 J6) | | 4.0 | | | | Iocaste (XXIV, S/2000 J3) | | 2.6 | | 0.04 | | Ananke (XII) | 0.0004 | 14 | | 0.06 | | S/2017 J9 (LXX) | | 1.5 | | | | S/2021 J3 | | 1.0 | | | | S/2003 J12 | | 1.0 | | | | | | | | | | S/2022 J1 | | 1.0 | | | | S/2003 J4 | | 2.0 | | | | S/2016 J3 | | 1.0 | | | | S/2017 J6 (LXVII) | | 1.0 | | | | S/2011 J1 (LXXII) | | 1.0 | | | | S/2022 J2 | | 1.0 | | | | S/2003 J19 (LXI) | | 2.0 | | | | Philophrosyne (LVIII, S/2003 J15) | | 1.0 | | | | Eurydome (XXXII, S/2001 J4) | | 1.5 | | | | S/2018 J3 | | 0.5 | | | | S/2021 J5 | | 1.0 | | | | S/2003 J10 | | 2.0 | | | | Arche (XLIII, S/2002 J1) | | 1.5 | | | | | | | | | | S/2021 J4 | | 0.5 | | | | Autonoe (XXVIII, S/2001 J1) | | 2.0 | | | | Pasithee (XXXVIII, S/2001 J6) | | 1.0 | | | | Herse (L, S/2003 J17) | | 2.0 | | | | S/2003 J24 | | 1.0 | | | | Chaldene (XXI, S/2000 J10) | | 1.9 | | 0.04 | | Kale (XXXVII, S/2001 J8) | | 1.0 | | | | Isonoe (XXVI, S/2000 J6) | | 1.9 | | 0.04 | | Aitne (XXXI, S/2001 J11) | | 1.5 | | | | S/2017 J5 (LXVI) | | 1.0 | | | | S/2017 J8 (LXIX) | | 0.5 | | | | Erinome (XXV, S/2000 J4) | | 1.6 | | 0.04 | | S/2017 J2 (LXIII) | | 1.0 | | | | S/2010 J1 (LI) | | 1.0 | | | | Taygete (XX, S/2000 J9) | | 2.5 | | 0.04 | | Carme (XI) | 0.001 | 23 | | 0.06 | | S/2011 J2 (LVI) | | 0.5 | | | | Sponde (XXXVI, S/2001 J5) | | 1.0 | | | | S/2021 J6 | | 0.5 | | | | S/2017 J1 (LIX) | | 1.0 | | | | Kalyke (XXIII, S/2000 J2) | | 2.6 | | 0.04 | | Pasiphae (VIII) | 0.003 | 29 | | 0.10 | | Eukelade (XLVII, S/2003 J1) | | 2.0 | | | | S/2016 J4 | | 0.5 | | | | Eirene (LVII, S/2003 J5) | | 2.0 | | | | Megaclite (XIX, S/2000 J8) | | 2.7 | | 0.04 | | Sinope (IX) | 0.0008 | 19 | | 0.05 | | Hegemone (XXXIX, S/2003 J8) | | 3.0 | | | | Aoede (XLI, S/2003 J7) | | 4.0 | | | | | | | | | | Kallichore (XLIV, S/2003 J11) | | 2.0 | | | | Callirrhoe (XVII, S/1999 J1) | | 3.5 | | 0.04 | | S/2003 J9 | | 1.0 | | | | Cyllene (XLVIII, S/2003 J13) | | 2.0 | | | | Kore (XLIX, S/2003 J14) | | 2.0 | | | | S/2003 J23 | | 2.0 | | | | | | | | |

Orbital parameters

| | Semi-major axis(103km) | Semi-major axis(Jovian Radii) | OrbitalPeriod*(days) | RotationPeriod(days) | Inclination(degrees) | Eccentricity | | | --------------------------------- | ----------------------------- | --------------------- | -------------------- | -------------------- | ------------ | ----- | | | | | | | | | | | Galilean Satellites | | | | | | | | Io (I) | 421.8 | 5.91 | 1.769138 | S | 0.04 | 0.004 | | Europa (II) | 671.1 | 9.40 | 3.551181 | S | 0.47 | 0.009 | | Ganymede (III) | 1070.4 | 14.97 | 7.154553 | S | 0.18 | 0.001 | | Callisto (IV) | 1882.7 | 26.33 | 16.689017 | S | 0.19 | 0.007 | | | | | | | | | | Lesser Satellites | | | | | | | | Metis (XVI, S/1979 J3) | 128.0 | 1.79 | 0.294779 | S | 0.02 | 0.001 | | Adrastea (XV, S/1979 J1) | 129.0 | 1.80 | 0.298260 | S | 0.05 | 0.002 | | Amalthea (V) | 181.4 | 2.54 | 0.498179 | S | 0.38 | 0.003 | | Thebe (XIV, S/1979 J2) | 221.9 | 3.11 | 0.6745 | S | 1.08 | 0.018 | | | | | | | | | | Themisto (XVIII, S/1975 J1) | 7507 | 105.00 | 130.02 | | 43.08 | 0.242 | | | | | | | | | | Leda (XIII) | 11165 | 156.2 | 240.92 | | 27.46 | 0.164 | | Himalia (VI) | 11461 | 160.3 | 250.5662 | 0.4 | 27.50 | 0.162 | | Ersa (LXXI, S/2018 J1) | 11483 | 160.6 | 252.0 | | 30.61 | 0.094 | | S/2018 J2 | 11490 | 160.7 | 252.0 | | 29.4 | 0.118 | | Pandia (LXV, S/2017 J4) | 11525 | 161.2 | 252.1 | | 28.15 | 0.180 | | Lysithea (X) | 11717 | 163.9 | 259.22 | | 28.30 | 0.112 | | Elara (VII) | 11741 | 164.2 | 259.6528 | 0.5 | 26.63 | 0.217 | | S/2011 J3 | 11829 | 165.5 | 263.0 | | 28.7 | 0.176 | | Dia (LIII, S/2000 J11) | 12118 | 169.5 | 287.0 | | 28.2 | 0.211 | | | | | | | | | | S/2018 J4 | 16549 | 231.5 | 434.7 | | 53.2 | 0.057 | | Carpo (XLVI, S/2003 J20) | 16989 | 237.6 | 456.1 | | 51.4 | 0.430 | | Valetudo (LXII, S/2016 J2) | 18980 | 264.4 | 533.3 | | 34.0 | 0.222 | | Euporie (XXXIV, S/2001 J10) | 19302 | 270.0 | 550.7R | | 145.8 | 0.144 | | | | | | | | | | S/2003 J18 (LV) | 20274 | 283.6 | 588.0R | | 146.4 | 0.105 | | S/2010 J2 (LII) | 20307 | 284.0 | 588.1R | | 150.4 | 0.307 | | S/2003 J16 | 20567 | 287.7 | 598.6R | | 151.1 | 0.333 | | S/2003 J2 | 20610 | 288.3 | 602.3R | | 149.2 | 0.278 | | S/2017 J7 (LXVIII) | 20627 | 288.5 | 602.6R | | 143.4 | 0.215 | | S/2016 J1 (LIV) | 20651 | 287.7 | 602.7R | | 139.8 | 0.141 | | S/2017 J3 (LXIV) | 20694 | 289.5 | 606.3R | | 147.9 | 0.148 | | Orthosie (XXXV, S/2001 J9) | 20721 | 289.8 | 622.6R | | 145.9 | 0.281 | | S/2021 J1 | 20723 | 289.9 | 606.4R | | 149.8 | 0.246 | | Euanthe (XXXIII, S/2001 J7) | 20799 | 290.9 | 620.6R | | 148.9 | 0.232 | | Thyone (XXIX, S/2001 J2) | 20940 | 292.9 | 627.3R | | 148.5 | 0.229 | | | | | | | | | | S/2022 J3 | 20968 | 293.3 | 617.3R | | 144.5 | 0.272 | | Mneme (XL, S/2003 J21) | 21069 | 294.7 | 620.0R | | 148.6 | 0.227 | | Harpalyke (XXII, S/2000 J5) | 21105 | 295.3 | 623.3R | | 148.6 | 0.226 | | Hermippe (XXX, S/2001 J3) | 21131 | 295.6 | 633.9R | | 150.7 | 0.210 | | Praxidike (XXVII, S/2000 J7) | 21147 | 295.8 | 625.3R | | 149.0 | 0.230 | | Thelxinoe (XLII, S/2003 J22) | 21162 | 296.0 | 628.1R | | 151.4 | 0.221 | | S/2021 J2 | 21198 | 296.5 | 627.8R | | 150.1 | 0.341 | | Eupheme (LX, S/2003 J3) | 21200 | 296.5 | 627.8R | | 148.0 | 0.253 | | Helike (XLV, S/2003 J6) | 21263 | 297.4 | 634.8R | | 154.8 | 0.156 | | Iocaste (XXIV, S/2000 J3) | 21269 | 297.5 | 631.5R | | 149.4 | 0.216 | | Ananke (XII) | 21276 | 297.6 | 610.5R | | 148.9 | 0.244 | | S/2017 J9 (LXX) | 21487 | 300.6 | 639.2R | | 152.7 | 0.229 | | S/2021 J3 | 21553 | 301.5 | 642.8R | | 150.1 | 0.356 | | S/2003 J12 | 21615 | 302.3 | 646.0R | | 154.7 | 0.365 | | | | | | | | | | S/2022 J1 | 22074 | 308.8 | 668.4R | | 165.4 | 0.192 | | S/2003 J4 | 22110 | 309.3 | 668.0R | | 149.4 | 0.497 | | S/2016 J3 | 22273 | 311.5 | 675.7R | | 164.1 | 0.236 | | S/2017 J6 (LXVII) | 22455 | 314.1 | 683.0R | | 155.2 | 0.557 | | S/2011 J1 (LXXII) | 22462 | 314.2 | 686.6R | | 163.3 | 0.233 | | S/2022 J2 | 22473 | 314.3 | 686.7R | | 165.4 | 0.182 | | S/2003 J19 (LXI) | 22757 | 318.3 | 697.6R | | 166.7 | 0.257 | | Philophrosyne (LVIII, S/2003 J15) | 22820 | 319.2 | 701.3R | | 143.6 | 0.194 | | Eurydome (XXXII, S/2001 J4) | 22865 | 319.8 | 717.3R | | 150.3 | 0.276 | | S/2018 J3 | 22888 | 320.1 | 704.9R | | 164.9 | 0.273 | | S/2021 J5 | 22893 | 320.2 | 704.9R | | 163.2 | 0.200 | | S/2003 J10 | 22918 | 320.6 | 704.9R | | 163.0 | 0.270 | | Arche (XLIII, S/2002 J1) | 22931 | 320.7 | 723.9R | | 165.0 | 0.259 | | S/2021 J4 | 22950 | 321.0 | 708.6R | | 164.5 | 0.159 | | | | | | | | | | Autonoe (XXVIII, S/2001 J1) | 23039 | 322.3 | 762.7R | | 152.9 | 0.334 | | Pasithee (XXXVIII, S/2001 J6) | 23096 | 323.1 | 719.5R | | 165.1 | 0.267 | | Herse (L, S/2003 J17) | 23097 | 323.1 | 715.4R | | 164.2 | 0.200 | | S/2003 J24 | 23150 | 323.8 | 715.9R | | 162.1 | 0.255 | | Chaldene (XXI, S/2000 J10) | 23179 | 324.2 | 723.8R | | 165.2 | 0.251 | | Kale (XXXVII, S/2001 J8) | 23217 | 324.7 | 729.5R | | 165.0 | 0.260 | | Isonoe (XXVI, S/2000 J6) | 23217 | 324.7 | 725.5R | | 165.2 | 0.246 | | Aitne (XXXI, S/2001 J11) | 23231 | 324.9 | 730.2R | | 165.1 | 0.264 | | S/2017 J5 (LXVI) | 23232 | 325.0 | 719.5R | | 164.3 | 0.284 | | S/2017 J8 (LXIX) | 23233 | 325.0 | 719.6R | | 164.7 | 0.312 | | Erinome (XXV, S/2000 J4) | 23279 | 325.6 | 728.3R | | 164.9 | 0.266 | | S/2017 J2 (LXIII) | 23303 | 326.0 | 723.1R | | 166.4 | 0.236 | | S/2010 J1 (LI) | 23314 | 326.1 | 723.2R | | 163.2 | 0.320 | | Taygete (XX, S/2000 J9) | 23360 | 326.7 | 732.2R | | 165.2 | 0.252 | | Carme (XI) | 23404 | 327.4 | 702.3R | | 164.9 | 0.253 | | S/2011 J2 (LVI) | 23464 | 328.2 | 730.5R | | 148.8 | 0.332 | | Sponde (XXXVI, S/2001 J5) | 23487 | 328.5 | 748.3R | | 151.0 | 0.312 | | S/2021 J6 | 23490 | 328.6 | 734.1R | | 166.5 | 0.363 | | S/2017 J1 (LIX) | 23547 | 329.4 | 734.2R | | 149.2 | 0.397 | | Kalyke (XXIII, S/2000 J2) | 23583 | 329.9 | 743.0R | | 165.2 | 0.245 | | Pasiphae (VIII) | 23624 | 330.4 | 743.6R | | 151.4 | 0.409 | | Eukelade (XLVII, S/2003 J1) | 23661 | 330.9 | 746.4R | | 165.5 | 0.272 | | S/2016 J4 | 23728 | 331.9 | 743.7R | | 146.3 | 0.199 | | Eirene (LVII, S/2003 J5) | 23732 | 332.0 | 759.7R | | 163.1 | 0.220 | | Megaclite (XIX, S/2000 J8) | 23806 | 333.0 | 752.8R | | 152.8 | 0.421 | | Sinope (IX) | 23939 | 334.9 | 724.5R | | 158.1 | 0.250 | | Hegemone (XXXIX, S/2003 J8) | 23947 | 335.0 | 739.6R | | 155.2 | 0.328 | | Aoede (XLI, S/2003 J7) | 23981 | 335.4 | 761.5R | | 158.3 | 0.432 | | | | | | | | | | Kallichore (XLIV, S/2003 J11) | 24043 | 336.3 | 764.7R | | 165.5 | 0.264 | | Callirrhoe (XVII, S/1999 J1) | 24102 | 337.1 | 758.8R | | 147.1 | 0.283 | | S/2003 J9 | 24234 | 339.0 | 766.5R | | 166.3 | 0.170 | | Cyllene (XLVIII, S/2003 J13) | 24349 | 340.6 | 737.8R | | 149.3 | 0.319 | | Kore (XLIX, S/2003 J14) | 24543 | 343.3 | 779.2R | | 152.4 | 0.325 | | S/2003 J23 | 24750 | 346.2 | 759.7R | | 146.1 | 0.321 |

*R indicates retrograde motion
S indicates synchronous rotation - the rotation period is the same as the orbital period

Themisto (S/1975 J1) was also designated S/2000 J1
Jovian equatorial radius used = 71,492 km

New Jupiter and Saturn Satellites Reveal New Moon Dynamical Families - Publication on discovery of new Jovian and Saturnian satellites (May 2023)
Jupiter's Known Satellites - Carnegie Institution, DTM
Jupiter back on top as "moon king" (10 February 2023)
A Dozen New Moons of Jupiter Discovered (16 July 2018)

Galilean Satellite Fact Table
Jupiter Fact Sheet
Jupiter Home Page
Notes on the Factsheets
Directory to other Planetary Fact Sheets

Author/Curator:
Dr. David R. Williams, dave.williams@nasa.gov
NSSDCA, Mail Code 690.1
NASA Goddard Space Flight Center
Greenbelt, MD 20771
+1-301-286-1258

NASA Official: Dave Williams, david.r.williams@nasa.gov

V1.0, 13 July 1995
Last Updated: 6 December 2023, DRW