VIAS Encyclopedia provides a collection of tables and definitions commonly needed in science and engineering.


Earth - Bulk Parameters

The following table list some of the more important bulk parameters of the planet Earth:

Parameter Value
Mass 5.97361024 kg
Volume 108.3211010 km3
Equatorial radius 6378.1 km
Polar radius 6356.8 km
Volumetric mean radius 6371.0 km
Core radius 3485 km
Ellipticity 0.00335
Mean density 5515 kg/m3
Surface acceleration 9.780 m/s2
Escape velocity 11.186 km/s
GM 0.3986 x 106 km3/s2
Bond albedo 0.306
Visual geometric albedo 0.367
Solar irradiance 1367.6 W/m2
Black-body temperature 254.3 K


Last Update: 2005-01-29