Planetary Data*
| Equatorial
Radius |
24,766 |
km |
|
3.88 |
Earth = 1 |
| Mass |
1.02x1026 |
kg |
|
17.15 |
Earth = 1 |
| Mean Density |
1640 |
kg/m3 |
| Surface Gravity |
1.14 |
Earth = 1 |
| Surface
Temperature |
59 |
K |
| Mean Orbital Speed |
5.43 |
km/s |
| Sidereal Period |
163.7 |
tropical
years |
| Synodic Period |
367.49 |
days |
Inclination
to the Ecliptic |
1.77 |
degrees |
| Greatest Angular Diameter As Seen
from Earth |
2.4 |
arc seconds |
| Number of Moons |
8 |
|
*Data taken from ASTRONOMY TODAY |