Table : Table 4-1: Characteristics of the Planets
 The Inner (Terrestrial) Planets
 MercuryVenusEarthMars
Average distance from Sun (106 km)57.9108.2149.6227.9
Average distance from Sun (AU)0.3870.72311.524
Orbital period (years)0.2410.61511.88
Orbital eccentricity0.2060.0070.0170.093
Inclination of orbit to the ecliptic7.00°3.39°0.00°1.85°
Equatorial diameter (km)488012,10412,7566794
Equatorial diameter (Earth = 1)0.3830.94910.533
Mass (kg)3.302 × 10234.868 × 10245.974 × 10246.418 × 1023
Mass (Earth = 1)0.05530.81510.1074
Average density (kg/m3)5430524355153934
 The Outer (Jovian) Planets
 JupiterSaturnUranusNeptune
Average distance from Sun (106 km)778.3142928714498
Average distance from Sun (AU)5.2039.55419.19430.066
Orbital period (years)11.8629.4694.1164.86
Orbital eccentricity0.0480.0530.0430.01
Inclination of orbit to the ecliptic1.30°2.48°0.77°1.77°
Equatorial diameter (km)142,984120,53651,11849,528
Equatorial diameter (Earth = 1)11.2099.4494.0073.883
Mass (kg)1.899 × 10275.685 × 10268.682 × 10251.024 × 1026
Mass (Earth = 1)317.895.1614.5317.15
Average density (kg/m3)132668713181638