Jovian Satellite Fact Sheet

Bulk parameters

Mass Radius Mean density Visual geometric albedo (1020 kg) (km) (kg/m3) Galilean Satellites Io (JI) 893.3 1,821.3 3,530. 0.63 Europa (JII) 479.7 1,565 2,990 0.67 Ganymede (JIII) 1,482 2,634 1,940 0.44 Callisto (JIV) 1,076 2,403 1,851 0.20 Lesser Satellites Metis (JXVI) 0.001 20 0.05 Adrastea (JXV) 0.0002 13 x 10 x 8 0.05 Amalthea (JV) 0.072 131 x 73 x 67 0.07 Thebe (JXIV) 0.008 55 x 45 0.04 S/1975 J1 (S/2000 J1) 4 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 Ananke (JXII) 0.0004 10 0.06 Carme (JXI) 0.001 15 0.06 Pasiphae (JVIII) 0.002 18 0.10 Sinope (JIX) 0.0008 14 0.05 S/1999 J1 5 Newly Discovered Satellites S/2000 J2 2.6 S/2000 J3 2.6 S/2000 J4 1.6 S/2000 J5 2.2 S/2000 J6 1.9 S/2000 J7 3.4 S/2000 J8 2.7 S/2000 J9 2.5 S/2000 J10 1.9 S/2000 J11 2.0

Orbital parameters

Orbital Rotation Semimajor axis Period* Period Inclination Eccentricity (103 km) (Jovian Radii) (days) (days) (degrees) Galilean Satellites Io (JI) 421.6 5.905 1.769138 S 0.04 0.004 Europa (JII) 670.9 9.397 3.551181 S 0.47 0.009 Ganymede (JIII) 1,070 14.99 7.154553 S 0.21 0.002 Callisto (JIV) 1,883 26.37 16.689018 S 0.51 0.007 Lesser Satellites Metis (JXVI) 127.96 1.7922 0.294780 S ~0 <0.041 Adrastea (JXV) 128.98 1.8065 0.29826 S ~0 ~0 Amalthea (JV) 181.3 2.539 0.498179 S 0.40 0.003 Thebe (JXIV) 221.90 3.108 0.6745 0.8 0.015 S/1975 J1 (S/2000 J1) 7435 104 130 46 0.20 Leda (JXIII) 11,094 155.38 238.72 26.07 0.148 Himalia (JVI) 11,480 160.79 250.5662 0.4 27.63 0.163 Lysithea (JX) 11,720 164.15 259.22 29.02 0.107 Elara (JVII) 11,737 164.39 259.6528 0.5 24.77 0.207 Ananke (JXII) 21,200 296 631R 147 0.169 Carme (JXI) 22,600 317 692R 164 0.207 Pasiphae (JVIII) 23,500 329 736R 145 0.378 Sinope (JIX) 23,700 332 758R 153 0.275 S/1999 J1 24,250 339 767.9R 143 0.130 Newly Discovered Satellites S/2000 J2 24,200 338 766R 166 0.32 S/2000 J3 20,700 290 608R 150 0.27 S/2000 J4 21,900 307 662R 161 0.35 S/2000 J5 21,000 294 622R 149 0.20 S/2000 J6 22,800 319 703R 165 0.28 S/2000 J7 21,200 296 631R 146 0.15 S/2000 J8 23,500 329 736R 152 0.53 S/2000 J9 21,700 304 653R 164 0.25 S/2000 J10 20,400 285 595R 166 0.16 S/2000 J11 12,700 177 292 29 0.22
*R indicates retrograde motion S indicates synchronous rotation - the rotation period is the same as the orbital period
reference: http://nssdc.gsfc.nasa.gov/planetary/factsheet/joviansatfact.html