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Comparison Chart
Comparison: Mars vs. Mars

This chart shows the differences between Mars and Mars. To change the planets/moons being compared, change one or more of the form fields at the bottom and click Refresh.

Discovered By
Known by the Ancients
Known by the Ancients
Date of Discovery
Unknown
Unknown
Average Orbit Distance
227,943,824 km
227,943,824 km
Perihelion (closest)
206,655,215 km
206,655,215 km
Aphelion (farthest)
249,232,432 km
249,232,432 km
Equatorial Radius
3,389.5 km
3,389.5 km
Equatorial Circumference
21,296.9 km
21,296.9 km
Volume
163,115,609,799 km3
163,115,609,799 km3
Mass
641,693,000,000,000,000,000,000 kg
641,693,000,000,000,000,000,000 kg
Density
3.934 g/cm3
3.934 g/cm3
Surface Area
144,371,391 km2
144,371,391 km2
Equatorial Surface Gravity
3.71 m/s2
3.71 m/s2
Escape Velocity
18,108 km/h
18,108 km/h
Rotation Period (Length of Day)
1.026 sidereal days
1.026 sidereal days
Orbit Period (Length of Year)
1.8808476 sidereal years
1.8808476 sidereal years
Mean Orbit Velocity
86,677 km/h
86,677 km/h
Orbit Eccentricity
0.0933941
0.0933941
Orbit Inclination to Ecliptic
1.85 degrees
1.85 degrees
Equatorial Inclination to Orbit
25.2
25.2
Orbit Circumference
1,429,085,052 km
1,429,085,052 km
Minimum/Maximum Surface Temperature
-153 to +20 °C
-153 to +20 °C
Atmospheric Constituents
Carbon Dioxide, Nitrogen, Argon
Carbon Dioxide, Nitrogen, Argon

 

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Last Updated: 30 Aug 2014