Mars an Overview
Mars Statistics |
|
---|---|
Mass (kg) |
6.421e+23 |
Mass (Earth = 1) |
1.0745e-01 |
Equatorial radius (km) |
3,397.2 |
Equatorial radius (Earth = 1) |
5.3264e-01 |
Mean density (gm/cm^3) |
3.94 |
Mean distance from the Sun (km) |
227,940,000 |
Mean distance from the Sun (Earth = 1) |
1.5237 |
Rotational period (hours) |
24.6229 |
Rotational period (days) |
1.025957 |
Orbital period (days) |
686.98 |
Mean orbital velocity (km/sec) |
24.13 |
Orbital eccentricity |
0.0934 |
Tilt of axis (degrees) |
25.19 |
Orbital inclination (degrees) |
1.850 |
Equatorial surface gravity (m/sec^2) |
3.72 |
Equatorial escape velocity (km/sec) |
5.02 |
Visual geometric albedo |
0.15 |
Magnitude (Vo) |
-2.01 |
Minimum surface temperature |
-140°C |
Mean surface temperature |
-63°C |
Maximum surface temperature |
20°C |
Atmospheric pressure (bars) |
0.007 |
Atmospheric composition Carbon Dioxide (C02) |
95.32% 2.7% 1.6% 0.13% 0.07% 0.03% 0.00025% 0.00003% 0.000008% 0.000003% |