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Distance from the Sun (km)
(Semimajor axis of orbit)
57,909,175 108,208,930 149,597,890 227,936,640 778,412,020 1,426,725,400 2,870,972,200 4,498,252,900 5,906,380,000
Mean Equatorial Radius (km) 2,439.7
(0.3825 x Earth)
6,051.8
(0.9488 x Earth)
6,378.14
(1 x Earth's)
3,397
(0.5326 x Earth)
71,492
(11.209 x Earth)
60,268
(9.449 x Earth)
25,559
(4.007 x Earth)
24,764
(3.883 x Earth)
1,151
(0.180 x Earth)
Volume (km3) 6.08272 x 1010
(0.054 x Earth's)
9.284 x 1011
(0.88 x Earth's)
1.0832 x 1012
(1 x Earth's)
1.6314 X 1011
(0.150 x Earth)
1.4255 x 1015
(1316 x Earth)
8.2713 x 1014
(763.6 x Earth)
6.8330 x 1013
(63.1 x Earth)
6.2526 x 1013
(57.7 x Earth's)
6.39 x 109
(0.0059 x Earth)
Mass (kg) 3.3022 x 1023 4.8685 x 1024 5.9737 x 1024 6.4185 x 1023 1.8987 x 1027 5.6851 x 1026 8.6849 x 1025 1.0244 x 1026 1.3 x 1022
Density (g/cm3) 5.427 5.24 5.515 3.94 1.33 0.70 1.30 1.76 2
Equatorial Surface Gravity (m/s2) 3.7 8.87 9.766 3.693 20.87 10.4* 8.43 10.71 0.81
Escape Velocity (km/h) 15,300 37,300 40,248 18,072 214,300 127,760 76,640 85,356 4,570
Rotation Period (Earth days) 58.646 -243 0.99726968 1.026 0.41354 0.44401 -0.7196 0.67125 -6.387
Orbit Period (Earth years) 0.241 0.615 1.0000174 1.8807 11.8565 29.4 84.02 164.79 247.92
Mean Orbit Velocity (km/h) 172,341 126,077 107,229 86,871 47,051 34,821 24,607 19,720 17,096
Orbit Eccentricity 0.20563069 .0068 0.01671022 .0934 .04839 .0541506 .047168 .00859 0.2488
Orbit Inclination to Ecliptic 3.39° 0.00005° 1.8° 1.305° 2.484° 0.770° 1.769° 17.14°
Inclination of Equator
to Orbit
177.3° 23.45° 25.19 3.12° 26.73° 97.86° 29.58° 119.61°
Minimum/Maximum
Surface Temperature
-173/427 462 -88/58 (min/max) -87 to -5 -233/-223
Major Atmospheric
Constituents
Carbon Dioxide, Nitrogen Nitrogen, Oxygen Carbon Dioxide, Nitrogen, Argon Hydrogen, Helium Hydrogen, Helium Hydrogen, Helium, Methane Hydrogen, Helium, Methane
Moons None None 1 moon 2 moons 63 moons 60 moons 27 moons 13 moons 3 moons
Rings No No No No Yes Yes Yes Yes No

Primary Source: Cox, Arthur, ed., Allen's Astrophysical Quantities, 4th ed., 2000, Springer-New York
Secondary Source: JPL Solar System Dynamics


Last Updated: 09.02.08