planet

Mars

A cold desert world with the tallest volcano in the Solar System.

See Mars on the map

Across the equator

6,792 km

Average distance from the Sun

1.524 AU (about 228 million km)

One trip round the Sun

1.88 Earth years

One spin on its axis

24 hours 37 minutes. A Martian day is a little longer than ours.

Moons

2 (Phobos and Deimos)

Equatorial diameters (the same values the map draws) and spin: NASA NSSDC planetary fact sheets (https://nssdc.gsfc.nasa.gov/planetary/factsheet/). Mean distance from the Sun: JPL Approximate Positions of the Planets, Table 1, and the JPL Small-Body Database for Ceres and Pluto. Year length is computed from the distance with Kepler's third law (years = distance in AU to the power 1.5).

Other worlds: Mercury · Venus · Jupiter · Saturn · Uranus · Neptune · Ceres · Pluto

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