EARTH DATA
Orbital parametres  
Distance from Sun (semimajor axis) 149.6 million km (1.0 AU)
Minimum distance (perihelion) 147.1 million km (0.98 AU)

Maximum distance (aphelion)

152.1 million km (1.02 AU)
Orbital eccentricity 0.0167  
Length of year (orbital period) 365.24 days  
Length of day (rotational period) 23.935 hours  
Average orbital velocity 29.79 km/s  
Orbital inclination 0.0 degrees More about planetary orbits
     
Physical Properties    
Equatorial radius 6,378 km  
Mass 5.974 x1024 kg  
Volume 108.32 x1010 km3  
Average density

5,520 kg/m3

Oblateness 0.0034  
Escape velocity 11.2 km/s  
Solar irradiance: 1,380 Watts/m2  
Surface temperature 204 to 331 K (-69 to 58o C)
Albedo 0.367 More about planetary orbits