Jupiter
Mass (kg)............................................1.90 x 10^27
Diameter (km)........................................142,800
Mean density (kg/m^3) ...............................1314
Escape velocity (m/sec)..............................59500
Average distance from Sun (AU).......................5.203
Rotation period (length of day in Earth hours).........9.8
Revolution period (length of year) (in Earth years)..11.86
Obliquity (tilt of axis) (degrees)...................3.08
Orbit inclination (degrees)..........................1.3
Orbit eccentricity...................................0.048
Mean surface temperature (K).........................120 (cloud tops)
Visual geometric albedo..............................0.44
Atmospheric components...............................90% hydrogen,
10% helium,
.07% methane
Rings................................................Faint ring.
Infrared spectra imply dark rock fragments.
Les satellites naturels
| Nom de la Lune |
# | Rayon (km) |
Masse (kg) |
Distance de Jupiter (km) |
Nom du découvreur |
Date |
|---|---|---|---|---|---|---|
| Metis | XVI | 20 | 9.56e+16 | 127,969 | S. Synnott | 1979 |
| Adrastée | XV | 12.5x10x7.5 | 1.91e+16 | 128,971 | Jewitt-Danielson | 1979 |
| Amalthée | V | 135x84x75 | 7.17e+18 | 181,300 | E. Barnard | 1892 |
| Thébé | XIV | 55x45 | 7.77e+17 | 221,895 | S. Synnott | 1979 |
| Io | I | 1,815 | 8.94e+22 | 421,600 | Marius-Galileo | 1610 |
| Europe | II | 1,569 | 4.80e+22 | 670,900 | Marius-Galileo | 1610 |
| Ganymède | III | 2,631 | 1.48e+23 | 1,070,000 | Marius-Galileo | 1610 |
| Callisto | IV | 2,400 | 1.08e+23 | 1,883,000 | Marius-Galileo | 1610 |
| Léda | XIII | 8 | 5.68e+15 | 11,094,000 | C. Kowal | 1974 |
| Himalia | VI | 93 | 9.56e+18 | 11,480,000 | C. Perrine | 1904 |
| Lysithéa | X | 18 | 7.77e+16 | 11,720,000 | S. Nicholson | 1938 |
| Élara | VII | 38 | 7.77e+17 | 11,737,000 | C. Perrine | 1905 |
| Ananké | XII | 15 | 3.82e+16 | 21,200,000 | S. Nicholson | 1951 |
| Carmé | XI | 20 | 9.56e+16 | 22,600,000 | S. Nicholson | 1938 |
| Pasiphaé | VIII | 25 | 1.91e+17 | 23,500,000 | P. Melotte | 1908 |
| Sinopé | IX | 18 | 7.77e+16 | 23,700,000 | S. Nicholson | 1914 |
