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Mars Fact Sheet

ParameterValueUnits
Mass6.42 x 10^23kg
Diameter6787km
Average Distance From the Sun1.524AU
Maximum Surface Temperature310K
Minimum Surface Temperature150K
Mean Density3.94g/cm^3
Escape Velocity5.03km/s
Rotational Period24.6229hours
Atmospheric Pressure0.007bars
Surface Gravity3.63m/s^2
Black Body Temperature216.6K


Atmospheric Components

ElementSymbolPercentage
Carbon DioxideCO295.32
NitrogenN22.7
ArgonAr1.6
OxygenO20.13
Carbon MonoxideCO0.07
WaterH2O0.03
NeonNe0.00025
KryptonKr0.00003
XenonXe0.000008
OzoneO30.000003


Phobos and Deimos - the Moons of Mars

PhobosDeimos
Distance from Mars9380 km (5830 miles)23,500 km (14,600 miles)
Period of revolution7.6 hrs30 hrs
Escape velocity7.8 m/s (25.7 ft/s)4.7 m/s (15.5 ft/s)
Dimensions25 km (16.7 miles), long axis13 km (7.5 miles), long axis
Reflectivity0.50.5



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