Planetary Comparisons

Internal Heat of the Jovian Planets

Planet Blackbody Temperature TB(K) Ratio Radiated to Energy Absorbed x Solar Input Internal Power (W)
Jupiter 124.4 1.67 ± 0.08 4 x 1017
Saturn 95.0 1.79 ± 0.10 2 x 1017
Uranus 59.1 ≤ 1.4 ≤ 1015
Neptune 59.3 2.7 ± 0.3 3 x 1015

Comparison of Planetary Magnetic Fields

Property Earth Jupiter Saturn Uranus Neptune
Body Rotation Period (h) 23.9345 9.9249 10.6562 17.24 16.11
Tilt of the Equator to the   Orbit (°) 23.45 3.08 26.73 97.92 18.8
Mean Surface Field (10-4T) 0.31 4.28 0.22 0.23 0.13
Magnetic Dipole Tilt (°) 11.4 9.6 0.0 58.6 46.8
Magnetic Dipole Offset (radii) 0.0725 0.0 0.04 0.3 0.55

Jovian Planets

Planet Mass () Radius () Semi-Major Orbit (AU) Eccentricity Inclination to the ecliptic (°) Rotation Period Orbital Period (years)
Jupiter 318 11.19 5.2028 0.0484 1.3 9h 50m 11.862
Saturn 95 9.0 9.539 0.0556 2.49 10h 14m 29.458
Uranus 14.5 4.0 19.182 0.0472 0.77 17h 14m 83.013
Neptune 17 3.9 30 0.0086 1.77 17h 43m 164.79
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~ by jamesdow2013 on May 1, 2013.

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