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Learn about planets outside our solar system through Exoplanets and Alien Solar Systems by Tahir Yaqoob, Ph.D., a book in our online store book collection.
This is an image of Saturn compared with that of the Earth.
Image from: NASA

A Comparison of Saturn and the Earth.

Saturn is the second largest planet in the solar system, much larger than Earth. It is mostly made of hydrogen. The table below gives a comparison of characteristics of Saturn relative to Earth values.

Characteristic Relative to Earth
(Earth = 1)
Absolute Value
Mass 95 5.7x10**29 (kg)
Radius 9.5 60,268 km
Mean Density ----- 0.69 g/cm**3
Rotation Period 10.2 Earth hours -----
Mean Orbital
Distance
9.5 AU 1,427 x 10**6 km
Orbital Period 29.46 Earth years -----
Orbital eccentricity ----- 0.0461
Inclination to
ecliptic (degrees)
----- 2.49
Atmospheric
Temperature
----- -350F

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The Poles of Saturn and Its Moons

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part by the National Science Foundation and NASA, our Founding Partners (the American Geophysical Union and American Geosciences Institute) as well as through Institutional, Contributing, and Affiliate Partners, individual memberships and generous donors. Thank you for your support! NASA AGU AGI NSF