Planetary data for Mars

Planetary data for Mars

▪ Table
Planetary data for Mars
mean distance from Sun 227,941,040 km (1.5 AU)
eccentricity of orbit 0.093 399
inclination of orbit to ecliptic 1.850 20°
Martian year (sidereal period of revolution) 686.980 Earth days
visual magnitude at mean opposition -2.01
mean synodic period* 779.94 Earth days
mean orbital velocity 24.1 km/s
equatorial radius 3,396.2 km
north polar radius 3,376.2 km
south polar radius 3,382.6 km
surface area 1.44 × 108 km2
mass 6.418 × 1023 kg
mean density 3.94 g/cm3
mean surface gravity 372 cm/s2
escape velocity 5.022 km/s
rotation period (Martian sidereal day) 24 h 37 min 22.663 s
Martian mean solar day (sol) 24 h 39 min 36 s
inclination of equator to orbit 24.936°
mean surface temperature 210 K (-82 °F, -63 °C)
typical surface pressure 0.006 bar
number of known moons 2
*Time required for the planet to return to the same position in the sky relative to the Sun as seen from Earth.
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Universalium. 2010.

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