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Astronomers refer to Venus as Earth's sister planet. Both are similar in size, mass, density and volume. Both formed
about the same time and condensed out of the same nebula.
| Venus Statistics |
| 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+% |
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