System of measurement:
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Distance from the Sun (km)
(Semimajor axis of orbit)
57,909,227 108,209,475 149,598,262 227,943,824 778,340,821 1,426,666,422 2,870,658,186 4,498,396,441
Mean Equatorial Radius (km) 2,439.7 6,051.8 6,371.00 3,389.5 69,911 58,232 25,362 24,622
Volume (km3) 60,827,208,742 928,415,345,893 1,083,206,916,846 163,115,609,799 1,431,281,810,739,360 827,129,915,150,897 68,334,355,695,584 62,525,703,987,421
Mass (kg) 330,104,000,000,
000,000,000,000
4,867,320,000,000,
000,000,000,000
5,972,190,000,000,
000,000,000,000
641,693,000,000,
000,000,000,000
1,898,130,000,000,
000,000,000,000,000
568,319,000,000,000,
000,000,000,000
86,810,300,000,000,
000,000,000,000
102,410,000,000,000,
000,000,000,000
Density (g/cm3) 5.427 5.243 5.513 3.934 1.326 0.687 1.270 1.638
Equatorial Surface Gravity (m/s2) 3.7 8.87 9.80665 3.71 24.79 10.4* 8.87 11.15
Escape Velocity (km/h) 15,300 37,296 40,284 18,108 216,720 129,924 76,968 84,816
Rotation Period (Earth days) 58.646 -243.018 0.99726968 1.026 0.41354 0.444 -0.718 0.671
Mean Orbit Velocity (km/h) 170,503 126,074 107,218 86,677 47,002 34,701 24,477 19,566
Orbit Eccentricity 0.20563593 0.00677672 0.01671123 0.0933941 0.04838624 0.05386179 0.04725744 0.00859048
Orbit Inclination to Ecliptic 7.0° 3.39° 0.00005° 1.85° 1.304° 2.49° 0.77° 1.77°
Inclination of Equator
to Orbit
177.3° (retrograde rotation) 23.4393° 25.2 3.1° 26.7° 97.8° (retrograde rotation) 28.3°
Minimum/Maximum
Surface Temperature (°C)
-173/427 462 -88/58 (min/max) -87 to -5
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 67 moons 62 moons 27 moons 14 moons
Rings No No No No Yes Yes Yes Yes

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


Last Updated: 14 Apr 2014