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Mars

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 NameAnnouncement Date
Phobos 9377.20.3189101.08·1016 A. Hall1877
Deimos 23463.21.2624411.80·1015