MARS
PROFILE
Mass (kg).......................................6.42 x 10^23
Diameter (km).............................................6787
Mean density (kg/m^3) ...............................3940
Escape velocity (m/sec)................................5000
Average distance from Sun (AU).................1.524
Rotation period (length of day in Earth days)........1.026
Revolution period (length of year in Earth days).....686.98
Obliquity (tilt of axis in degrees).........................25
Orbit inclination (degrees)...............................1.85
Orbit eccentricity (deviation from circular).........0.093
Maximum surface temperature (K)...................310
Minimum surface temperature (K)....................150
Visual geometric albedo (reflectivity)...............0.15
Highest point on surface..................Olympus Mons (about 24km above surrounding lava plains)
Atmospheric components ....................95% carbon dioxide, 3% nitrogen, 1.6% argo
Surface materials...............................basaltic rock and altered materials
By Jordan Wood