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This is a drawing of the interior of Io.

A Comparison of Jupiter and the Earth.

Jupiter is the largest planet in the solar system. Jupiter is much larger than Earth, as shown in the picture. Jupiter is a gas giant planet made mostly of hydrogen. The table below provides a comparison of characteristics of Jupiter relative to Earth values.

Characteristic Relative to Earth
(Earth = 1)
Absolute Value
Mass 318

1.8986 x 1027 kg

Radius 11.2 71,492 km
(44,423 miles)
Mean Density 0.240 1.33 g/cm3
Rotation Period 0.415 9 hours 56 min.
Mean Orbital
5.204 AU 778 x 106 km
(483 x 106 miles)
Orbital Period 11.9 Earth years -----
Orbital eccentricity 2.928 0.489
Inclination to
----- 1.304
----- -148 C to >200 C
(-234 F to >392 F)
Last modified July 22, 2004 by Randy Russell.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA