planet satellite |
diameter (km) | mass (kg) | density (g/cm3) | semi-major axis (km) | semi-major axis (Rp) | sidereal period (days) | eccentricity | inclination | max elongation at opposition |
Earth Moon |
3476 | 7.35 x1022 | 3.34 | 384,402 | 60.3 | 27.32 | 0.054 | 5.13� | - |
Mars Phobos |
28 x 22 x 18 | 9.6 x1015 | 2 | 9,354 | 2.75 | 0.3188 | 0.015 | 1.0� | 25" |
Deimos | 16 x 12 x 10 | 2.0 x1015 | 2 | 23,490 | 6.91 | 1.2625 | 0.001 | 0.9� | 1'02" |
Jupiter Metis |
40 | ? | ? | 127,960 | 1.79 | 0.295 | 0 | 0� | 42" |
Adrastea | 24 x 20 x 8 | ? | ? | 128,980 | 1.81 | 0.298 | 0 | 0� | 42" |
Amalthea | 270x170x150 | ? | ? | 181,300 | 2.54 | 0.498 | 0.003 | 0.45� | 59" |
Thebe | 110 x ? x 90 | ? | ? | 221,900 | 3.11 | 0.675 | 0.013 | 0.90� | 1'13" |
Io | 3630 | 8.916 x1022 | 3.55 | 421,600 | 5.90 | 1.769 | 0.004 | 0.04� | 2'18" |
Europa | 3138 | 4.873 x1022 | 3.04 | 670,900 | 9.40 | 3.551 | 0.009 | 0.47� | 3'40" |
Ganymede | 5262 | 1.490 x1023 | 1.93 | 1,070,000 | 14.99 | 7.155 | 0.002 | 0.21� | 5'51" |
Callisto | 4800 | 1.064 x1023 | 1.79 | 1,880,000 | 26.33 | 16.689 | 0.007 | 0.51� | 10'18" |
Leda | 10 | ? | ? | 11,094,000 | 155 | 238.7 | 0.148 | 26.1� | 1�00'39" |
Himalia | 180 | ? | ? | 11,480,000 | 161 | 250.6 | 0.158 | 27.6� | 1�02'46" |
Lysithea | 20 | ? | ? | 11,720,000 | 164 | 259.2 | 0.107 | 29.0� | 1�04'04" |
Elara | 80 | ? | ? | 11,737,000 | 164 | 259.7 | 0.207 | 24.8� | 1�04'10" |
Ananke | 20 | ? | ? | 21,200,000 | 297 | 631 R | 0.17 | 147� | 1�55'52" |
Carme | 30 | ? | ? | 22,600,000 | 317 | 692 R | 0.21 | 164� | 2�03'31" |
Pasiphae | 40 | ? | ? | 23,500,000 | 329 | 735 R | 0.38 | 145� | 2�08'26" |
Sinope | 30 | ? | ? | 23,700,000 | 332 | 758 R | 0.28 | 153� | 2�09'31" |
planet satellite |
diameter (km) | mass (kg) | density (g/cm3) | semi-major axis (km) | semi-major axis (Rp) | sidereal period (days) | eccentricity | inclination | max elongation at opposition |
Saturn Pan |
10 | ? | ? | 133,600 | 2.2 | 0.575 | 0 | 0� | - |
Atlas | 38 x ? x 26 | ? | ? | 137,700 | 2.276 | 0.602 | 0.002 | 0.3� | 22" |
Prometheus | 140 x 100 x 74 | ? | ? | 139,400 | 2.310 | 0.613 | 0.004 | 0� | 23" |
Pandora | 110 x 82 x 66 | ? | ? | 141,700 | 2.349 | 0.629 | 0.004 | 0.1� | 23" |
Epimetheus | 140x114x100 | ? | ? | 151,400 | 2.510 | 0.694 | 0.009 | 0.3� | 24" |
Janus | 220x190x160 | ? | ? | 151,500 | 2.511 | 0.695 | 0.007 | 0.1� | 24" |
Mimas | 392 | 3.76 x1019 | 1.2 | 186,000 | 3.08 | 0.942 | 0.020 | 1.52� | 30" |
Enceladus | 500 | 7.40 x1019 | 1.1 | 238,000 | 3.95 | 1.370 | 0.004 | 0.02� | 38" |
Tethys | 1060 | 6.26 x1020 | 1.0 | 295,000 | 4.88 | 1.888 | 0.000 | 1.86� | 48" |
Telesto | ? x 24 x 22 | ? | ? | 295,000 | 4.88 | 1.888 | ? | ? | 48" |
Calypso | 30 x 24 x 16 | ? | ? | 295,000 | 4.88 | 1.888 | ? | ? | 48" |
Dione | 1120 | 1.05 x1021 | 1.4 | 377,000 | 6.26 | 2.737 | 0.002 | 0.02� | 1'01" |
Helene | 36 x ? x 30 | ? | ? | 377,000 | 6.26 | 2.737 | 0.005 | 0.20� | 1'01" |
Rhea | 1530 | 2.28 x1021 | 1.3 | 527,000 | 8.73 | 4.518 | 0.001 | 0.35� | 1'25" |
Titan | 5150 | 1.359 x1023 | 1.9 | 1,222,000 | 20.3 | 15.945 | 0.029 | 0.33� | 3'17" |
Hyperion | 350x234x200 | 1.10 x1020 | ? | 1,481,000 | 24.6 | 21.277 | 0.104 | 0.43� | 3'59" |
Iapetus | 1460 | 1.93 x1021 | 1.2 | 3,561,000 | 59.0 | 79.331 | 0.028 | 14.7� | 9'35" |
Phoebe | 220 | ? | ? | 12,954,000 | 215 | 550.4 R | 0.163 | 175� | 34'51" |
Uranus Miranda |
484 | 1.7 x1019 | 1.26 | 129,783 | 4.96 | 1.4125 | 0.017 | 3.4� | 10" |
Ariel | 1160 | 1.6 x1021 | 1.65 | 191,239 | 7.31 | 2.521 | 0.003 | 0� | 14" |
Umbriel | 1190 | 9.3 x1020 | 1.44 | 265,969 | 10.17 | 4.146 | 0.004 | 0� | 20" |
Titania | 1610 | 2.7 x1021 | 1.59 | 435,844 | 16.67 | 8.704 | 0.002 | 0� | 33" |
Oberon | 1550 | 2.9 x1021 | 1.50 | 582,596 | 22.28 | 13.46 | 0.001 | 0� | 44" |
Neptune Triton |
3500 | 5.7 x1022 | 2.0 | 355,300 | 14.62 | 5.877 R | 0.001 | 159.9� | 17" |
Nereid | 150 - 525 | 1.3 x1015 | 2.6 | 5,510,000 | 226.7 | 360.21 | 0.749 | 27.7� | 4'21" |
Pluto Charon |
(1000) | ? | ? | 19,700 | 13 | 6.3871 | ? | 94� | - |
planet satellite |
diameter (km) | mass (kg) | density (g/cm3) | semi-major axis (km) | semi-major axis (Rp) | sidereal period (days) | eccentricity | inclination | max elongation at opposition |