Adopted by IUGG 1979 Canberra as the Geodetic Reference Spheroid of 1980 (GRS 1980).
"Geodetic Reference System 1980" by H. Moritz; Bulletin Geodesique
2013-08-23
true
false
http://www.opengis.net/def/ellipsoid/EPSG/0/7019
GRS 1980
Adopted by IUGG 1979 Canberra. Inverse flattening is derived from geocentric gravitational constant GM = 3986005e8 m*m*m/s/s; dynamic form factor J2 = 108263e-8 and Earth's angular velocity = 7292115e-11 rad/s.
6378137
298.257222101