| Mars |
| Gravity: |
0.38 G [a] |
| Distance from Sol: |
1.52 AU avg. (1.64 to 1.36 in a Martian
year) [c] |
| Moons: |
Two: Phobos and Deimos. [e]
27 and 15 km across, resp.
7 and 30 hours orbits, resp. |
| Atmosphere: |
95.32% Carbon dioxide [d]
2.7% Nitrogen
1.6% Argon
0.13% Oxygen |
| Atmospheric Pressure: |
0.0066 atm (5.016 torr) [d] |
| Axial Tilt: |
25.2 degrees [f] |
| Length of Day: |
1.026 Earth days (24 hours, 37 min.) [b] |
| Length of Year: |
1.88 Earth years [b]
(686.98 Earth days, 669.57 Martian days) |
| Diameter: |
4,221.6 miles [b] |
| Surface Temperature: |
22 deg. F to -124 deg. F [b] |
| Density: |
3.94 g/cm^3 [b] |
