|
| Distance from Sun |
1.524 AU
141.6 million miles
227.9 million km |
| Diameter |
4,222 miles
6,787 km |
| Mass |
6.42 x 10 23
About 1/9 of Earth |
| Number of Moons |
2 |
1 Martian Day
(Period of Rotation) |
24.6 Earth hours
1.026 Earth days |
1 Martian Year
(Period of Revolution Around the Sun) |
686.98 Earth days |
| Escape Velocity |
5,000 m/sec |
| Average Temperature |
-9 °F
-23 °C |
| Temperature Range |
150-310 K |
Albedo
(reflectivity) |
0.15 |
| Density |
3,940 kg/m 3 |
| Apparent Size from Earth |
4-25 arc seconds |
Oblique Axis
(Tile of the Axis) |
25° |
| Orbital Inclination |
1.85° |
Orbital Eccentricity
(Deviation from circular) |
0.093 |
Perihelion
closest to sun |
1.38 AU |
Aphelion
farthest from sun |
1.67 AU |
