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General Information about Mars

 

Time and Distance

One Martian Day

    24 hours, 37 minutes, 22 seconds

One Martian Year

    669 Martian Days (687 Earth days)

Orbit

    227,940,000 Km mean distance from the sun (1.52 AU&)

Surface info

Surface Area

   144 X 10 (to the power of  6) Km squared                                                                                                         (about the same as the surface area of earth)

Average Temperature

    218 degrees Kelvin (-55 degrees Celsius)

Maximum Temperature

    300 degrees Kelvin (27 degrees Celsius) - Summer days

Minimum Temperature

    140 degrees Kelvin (-133 degrees Celsius) -Winter at poles

 

Atmosphere and Solar

Atmospheric Composition    95.32% Carbon Dioxide; 2.7% Nitrogen; 1.6% Argon; 0.13% Oxygen
Atmospheric Pressure    6.35 mbar; less than 1/100 of Earth's atmospheric pressure
Moons    Phobos- diameter 22 Km; orbit is 5,981 Km from surface

   Deimos- diameter 12 Km; orbit is 20,062 Km from surface

* Information courtesy of  European Space Agency