Orbits and Physical Characteristics of the Solar System                
  Sun Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto
Distance from the Sun (Semimajor axis of orbit) --- 57,909,175 km  108,208,930 km 149,597,890 km 227,936,640 km 778,412,020 km 1,426,725,400 km 2,870,972,200 km 4,498, 252, 900 km 5,906,376,200 km
Mean Equatorial Radius 6.955 x 1010 cm 2,439.7 km  6,051.8 km 6,378.14 km  3,397 km 71,492 km 60,268 km 25,559 km 24,764 km 1,195 km
Volume (Earth = 1) 1.4122 x 1033 cm3 0.054 0.88 1 0.149 1316 755 52 44 0.005
Mass 1.989 x 1033 g 0.33022 x 1027 g 4.8690 x 1027 g 5.9742 x 1027g 0.64191 x 1027g 1,898.7 x 1027 g 568.51 x 1027g 86.849 x 1027g 102.44 x 1027g 0.013 x 1027 g
Density 1.409 gm/cm3 5.43 g/cm3  5.24 g/cm3  5.515 g/cm3  3.94 g/cm3  1.33 g/cm3  0.70 g/cm3  1.30 g/cm3    1.76 g/cm3  1.1 g/cm3
Surface Gravity 2.740 x 104cm/s2 370 cm/s2 887 cm/s2 980 cm/s2 371 cm/s2 2312 cm/s2 896 cm/s2 869 cm/s2 1100 cm/s2 81 cm/s2
Escape Velocity (at equator) 6.177 x 107 cm/s 4.25 km/s 10.36 km/s 11.18 km/s 5.02 km/s 59.54 km/s 35.49 km/s 21.29 km/s 23.71 km/s 1.27 km/s
Rotation Period (sidereal) 25.38 days 58.6462 days -243.0187 days 0.99726968 day  1.02595675 days 0.41354 day  0.44401 day  -0.71833 day 0.67125 day -6.38718
Orbit Period (Earth years) --- 0.24084445 0.61518257 0.99997862 1.88071105 11.85652502 29.42351935 83.74740682 163.7232045 248.0208
Mean Orbit Velocity --- 47.8725 km/s 35.0214 km/s 29.7859 km/s 24.1309 km/s 13.0697 km/s 9.6724  km/s 6.8352  km/s 5.4778  km/s 4.7490 km/s
Orbit Eccentricity --- 0.20563069 0.00677323 0.01671022 0.09341233 0.04839266 0.541506 0.04716771 0.00858587 0.24880766
Orbit Inclination to Ecliptic --- 7.00487 deg 3.39471 deg 0.00005 deg 1.85061 deg 1.30530 deg 2.48446 deg 0.76986 deg 1.76917 deg 17.14175 deg
Inclination of Equator to Orbit (deg) --- 0.0 deg 177.3 deg 23.45 deg 25.19 deg 3.12 deg 26.73 deg 97.86 deg 29.58 deg 119.61 deg
Mean Temperature at Solid Surface --- 440 K 730 K 288-293 K 183-268 K ญญญ ญญญ ญญญ ญญญ 57.8 K
Atmospheric Temperature at level with pressure = 1 bar --- ญญญ ญญญ 288 K ญญญ 165K 134 K 76 K 73 K ญญญ
Major Atmospheric Constitutents H, He ญญญ CO2, N2 N2, O2 CO2, N2, Ar H2, He H2, He, CH4 H2, He, CH4 H2, He ญญญ