Mars

Vital Statistics Radius 3397 km Surface area 1.4x108 km2 Mass 6.4x1023 kg Density 3.94 g/cm3 Local gravity 3.72 m/s2 Escape velocity 5.1 km/s Albedo 0.25 Surface temperature 240 K (day) 210 K (night) Surface pressure 600 Pa Length of year 686.98 days Length of day 24 h 37 min 25 s Distance from the Sun 1.524 AU

Consolmagno, Guy J. and Martha W. Schaefer (1994) World's Apart: A Textbook in Planetary Sciences.
Englewood Cliffs, NJ: Prentice Hall.