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Jupiter's' Statistics Fun Fact: Jupiter's atmosphere has helped scientists understand the solar system's history better.
| Feature |
Information |
| Diameter(equatorial) |
142,984 km. |
| Diameter (polar) |
133,709 km. |
| Distance From Sun |
778.4 million km. |
| Speed Around Sun |
13.07 km./s |
| Sunrise-Sunset |
9.84 hrs. |
| Mass when Earth=1 |
318 |
| Volume when Earth=1 |
1,321 |
| Density when water=1 |
1.33 |
| Cloud-top temperature |
-110 degrees Celsius |
| Number of Moons |
16 |
Jupiter's Moons
Note: The following moons are put in order according to their distance from Jupiter.
| Name |
km. to Jupiter |
Diameter in km. |
Year Discovered |
| Metis |
127,960 km. |
40 km. |
1979 |
| Adrastea |
128,980 km. |
20km. |
1979 |
| Amalthea |
181,300 km. |
200 km. |
1892 |
| Thebe |
221,900 km. |
100 km. |
1979 |
| Io |
421,600 km. |
3,643 km. |
1610 |
| Europa |
670,900 km. |
3,130 km. |
1610 |
| Ganymede |
1,070,000 km. |
5,268 km. |
1610 |
| Callisto |
1,883,000 km. |
4,806 km. |
1610 |
| Leda |
11,094,000 km. |
10 km. |
1974 |
| Himaila |
11,480,000. |
170 km. |
1904 |
| Lysitea |
11,720,000 |
24 km. |
1938 |
| Elara |
11,737,000 km. |
80 km. |
1905 |
| Anake |
21,200,000 km. |
20 km. |
1951 |
| Carme |
22,600,000 km. |
30 km. |
1938 |
| Pasiphae |
23,500,000 km. |
36 km. |
1908 |
| Sinope |
23,700,000 km. |
28 km. |
1914 |
Layers of Jupiter's Clouds
| Rank (crust to space) |
Material |
| 1 |
low pressure colorless gas |
| 2 |
water ice (about 30 km below top clouds) |
| 3 |
ammonium layers of sulfide clouds (approx. 20 km below top clouds) |
| 4 |
hazy top clouds of ammonia ice |
Inner Jupiter
| Level (atmosphere-core) |
Name/Material |
| 1 |
atmosphere |
| 2 |
Liquid Hydrogen and Helium |
| 3 |
metallic hydrogen |
| 4 |
core |
Atmosphere Composition
| Name |
Ppercent |
| Hydrogen |
89.8% |
| Helium, methane, and ammonia |
10.2% |
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