Mars
Orbital Elements |
Semimajor Axis: | 1.52371 AU |
Eccentricity: | 0.09339 |
Inclination: | 1.850° |
Argument of Perifocus: | 286.5° |
Longitude of Ascending Node: | 49.6° |
Mean Motion: | 0.52407109° per day |
Time of Periapsis: | 2007 Jun 01, 07:20 UT |
Orbital Period: | 686.92971 days |
Mass: | 0.10745 ME |
Equatorial Radius: | 0.53213 RE |
Rotational Inclination: | 25.19° |
Rotational Period: | 24.622962 hours |
Mean Surface Temperature: | -60°C |
Mean Surface Pressure: | 0.0056 bar |
Atmospheric Composition: | CO2 95%, N2 2.7%, Ar 1.6% |
Satellites
Satellite Name |
Orbital Semimajor Axis (km) |
Orbital Period (days) |
Mass (kg) |
Discovery |
Discoverer Name | Announcement Date |
Phobos |
9377.2 | 0.318910 | 1.08·1016 |
A. Hall | 1877 |
Deimos |
23463.2 | 1.262441 | 1.80·1015 |