Planetary Data*
| Equatorial
Radius |
25,559 |
km |
|
4.01 |
Earth = 1 |
| Mass |
8.68x1025 |
kg |
|
14.54 |
Earth = 1 |
| Mean Density |
1270 |
kg/m3 |
| Surface Gravity |
0.91 |
Earth = 1 |
| Surface
Temperature |
58 |
K |
| Mean Orbital Speed |
6.80 |
km/s |
| Sidereal Period |
83.75 |
tropical
years |
| Synodic Period |
369.66 |
days |
Inclination
to the Ecliptic |
0.77 |
degrees |
| Greatest Angular Diameter As Seen
from Earth |
4.1 |
arc seconds |
| Number of Moons |
17 |
|
*Data taken from ASTRONOMY TODAY |
