Earth

Constants

•  Mean Radius:               6371.0 km

•  Polar Radius:              6356.8 km

•  Mass:                      1.000 (Earth=1)

•  Density:                   5.52 (g/cm^3)

•  Gravity:                   1.000 (Earth=1)

•  Orbit Period:              365.26 (Earth days)

•  Rotation Period:           1.00 (Earth days)

•  Semimajor Axis of Orbit:   1.000 au

•  Eccentricity of Orbit:     0.017

USGS DEM Shaded Relief Maps

NASA Ames Research Center

Browser for Earth Observations from Shuttle.

The Earth's Moon