|
|
| Mass (kg)
| 4.869e+24
|
| Mass (Earth =
1)
| .81476
|
| Equatorial radius
(km)
| 6,051.8
|
| Equatorial radius
(Earth = 1)
| .94886
|
| Mean density (gm/cm^3)
| 5.25
|
|
|
| Mean distance
from the Sun (km)
| 108,200,000
|
| Mean distance
from the Sun (Earth = 1)
| 0.7233
|
| Rotational period
(days)
| -243.0187
|
| Orbital period
(days)
| 224.701
|
| Mean
orbital velocity (km/sec)
| 35.02
|
|
|
| Orbital eccentricity
| 0.0068
|
| Tilt of axis (degrees)
| 177.36
|
| Orbital inclination
(degrees)
| 3.394
|
|
|
| Equatorial surface
gravity (m/sec^2)
| 8.87
|
| Equatorial escape
velocity (km/sec)
| 10.36
|
|
|
| Visual geometric
albedo
| 0.65
|
| Magnitude (Vo)
| -4.4
|
| Mean surface temperature
| 482°C
|
| Atmospheric pressure
(bars)
| 92
|
Atmospheric composition
Carbon dioxide
Nitrogen
Trace amounts of: Sulfur dioxide, water vapor, carbon
monoxide, argon, helium, neon, hydrogen chloride, and
hydrogen fluoride.
96%
3+%
| |
|
|
