Mars Facts and Figures - Facts and Figures - MSN Encarta

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Mars Facts and Figures

from

Encarta

Equatorial radius

3,396 km

Equatorial inclination

25.2°

Mass

6.42×10²³ kg

Average density

3.9 g/cm³

Rotational period

1.03 days

Orbital period

1.881 years

Average distance from the Sun

228 million km

Perihelion

206.7 million km

Aphelion

249.3 million km

Orbital eccentricity

0.0935

Orbital inclination

1.85°

Moons

2

Mars

Mars

Source

© 2008 Microsoft