Back Properties of the Planets (and Pluto)

Properties of the Planets (and Pluto)

Property Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
Average distance from the sun (km) 5.791 × 107 1.082 × 108 1.496 × 108 2.279 × 108 7.786 × 108 1.434 × 109 2.872 × 109 4.495 × 109 5.869 × 109
Inclination to ecliptic 3.4° 1.8° 1.3° 2.5° 0.8° 1.8° 17.1°
Revolution period
(in Earth years)
0.24 0.62 1.00 1.88 11.86 29.46 84.02 164.8 247.9
Rotation period
(in Earth days, hours,
minutes, seconds)
58 days, 15 hr, 31 min 243 days, 27 min 23 hr, 56 min, 4 sec 24 hr, 37 min, 23 sec 9 hr, 55 min, 27 sec 10 hr, 39 min, 22 sec 17 hr, 14 min 16 hr, 7 min 6 days, 9 hr, 17 min
Mass (Earth = 1) 0.05 0.82 1.00 0.11 317.9 95.2 14.6 17.2 0.002
Diameter (km) 4,880 12,104 12,756 6,787 142,796 120,660 52,400 50,450 2,350
Density (g/cm3) 5.4 5.2 5.5 3.9 1.3 0.7 1.3 1.6 1.9
Atmosphere (major components) None CO2 N2, O2 CO2 H2, He H2, He H2, He, CH4 H2, He, CH4 CH4
Color Silver White Blue-white Red Yellow Yellow Green Blue Yellow