Jupiter's Moons
Jupiter is a large planet and I'm not surprised to find that it has plenty
of moons and rings. Here are the 4 largest (also known as the Gallilean
Moons):
| # | Name of Moon | Distance | Diameter | Mass | Picture |
| 1 | Metis | 128,000 km | 40 km | 9 x 1016 kg | Click |
| 2 | Adrastea | 129,000 km | 20 km | 1.91 x 1016 kg | Click |
| 3 | Amalthea | 181,300 km | 232 x146 x134 km | 7.2 x 1021 kg | Click |
| 4 | Thebe | 222,000 km | 110 x 90 km | 8 x 1017 kg |
Click |
| 5 | Io | 422,000 km | 3,636 km | 8.93x1022 kg | Gallery |
| 6 | Europa | 670,900 km | 3,138 km | 4.80x1022 kg | Gallery |
| 7 | Ganymede | 1,070,000 km | 5,268 km | 1.48x1023 kg | Gallery |
| 8 | Callisto | 1,883,000 km | 4800 km | 1.08x1023 kg | Gallery |
| 9 | Leda | 11,094,000 km | 16 km | 5.68 x 1015 kg | |
| 10 | Himalia | 11,480,000 km | 170 km | 9.5 x 1018kg | |
| 11 | Lysithea | 11,720,000 km | 24 km | 8 x 1016kg | |
| 12 | Elara | 11,737,000 km | 80 km | 8 x 1017kg | |
| 13 | Ananke | 21,200,000 km | 20 km | 4 x 1016kg | |
| 14 | Carme | 22,600,000 km | 30 km | 9 x 1016kg | |
| 15 | Pasiphae | 23,500,000 km | 36 km | 2 x 1023kg | |
| 16 | Sinope | 23,700,000 km | 28 km | 8 x 1016kg | |
| 17 | S/1999 J 1 | 24,000,000 km | 5 km |
Jupiter also has rings, three groups of them. They are called the Halo,
Main, & Gossamer Rings. Jupiter's rings are dark (albedo about .05).
They're probably composed of very
small grains of
rocky material. Unlike Saturn's rings, they seem to contain no ice.
| Rings - Gallery | |||
| Name: | Start: | Width: | Thickness: |
| Halo | 100,000 km | 22,800 km | 20,000 km |
| Main | 122,800 km | 6,800 km | 30 km |
| Gossamer | 129,000 km | Very | |
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