Astronomy |
Planets -
Venus
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Bulk Parameters | Orbital Parameters | Mean Orbital Elements (J2000)
Observational Parameters | Atmospheric Parameters
Satellites |
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| Bulk Parameters |
Black-Body Temperature |
231.7 K |
Bond Albedo |
0.750 |
Ellipticity |
0.000 |
Equatorial Radius |
6051.8 km |
Equatorial Surface Gravity |
8.87 m s−2 |
Escape Velocity |
10.36 km s−1 |
GM |
0.3249 × 106 km3 s−2 |
Mass |
4.8685 × 10 24 kg |
Mean Density |
5243 kg m−3 |
Moment of Inertia |
0.33 I MR−2 |
Polar Radius |
6051.8 km |
Solar Irradiance |
2613.9 W m−2 |
Topographic Range |
15 km |
Visual Geometric Albedo |
0.65 |
Visual Magnitude |
−4.40 |
Volume |
92.843 × 1010 km3 |
Volumetric Mean Radius |
6051.8 |
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| Orbital Parameters |
Aphelion |
108.94 × 106 km |
Length of Day |
2802.0 hours |
Maximum Orbital Velocity |
35.26 km s−1 |
Mean Orbital Velocity |
35.02 km s−1 |
Minimum Orbital Velocity |
34.79 km s−1 |
Obliquity to Orbit |
177.36 |
Orbital Eccentricity |
0.0067 |
Orbital Inclination |
3.39° |
Perihelion |
107.48 × 106 km |
Semimajor Axis |
108.21 × 106 km |
Sidereal Orbit Period |
224.701 days |
Sidereal Rotation Period |
5832.5 hours |
Synodic Period |
583.92 days |
Tropical Orbit Period |
224.695 days |
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| Mean Orbital Elements (J2000) |
Longitude of Ascending Node |
76.68069° |
Longitude of Perihelion |
131.53298° |
Mean Longitude |
181.97973°: |
Orbital Eccentricity |
0.00677323 |
Orbital Inclination |
3.39471° |
Semimajor Axis |
0.72333199 AU |
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| Observational Parameters |
Apparent Magnitude near Opposition |
−4.6 |
Maximum Apparent Diameter from Earth |
66.0 arc seconds |
Maximum Distance from Earth |
261.0 × 106 km |
Minimum Apparent Diameter from Earth |
9.7 arc seconds |
Minimum Distance from Earth |
38.2 × 106 km |
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| Atmospheric Parameters |
Average Temperature |
737 K |
Diurnal Temperature Range |
about 0 |
Mean Molecular Weight |
43.45 g mol−1 |
Scale Height |
15.9 km |
Surface Density |
about 65 kg m−3 |
Surface Pressure |
92 bars |
Surface Wind Speed |
0.3 to 1.0 m s−1 |
| Carbon Dioxide CO2 |
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96.5% |
| Nitrogen N2 |
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3.5% |
| Sulphur Dioxide SO2 |
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150 ppm |
| Argon Ar |
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70 ppm |
| Water H2O |
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20 ppm |
| Carbon Monoxide CO |
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17 ppm |
| Helium He |
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12 ppm |
| Neon Ne |
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7 ppm |
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| Satellites |
Venus
has no known satellites |
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