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
urn:ogc:def:ellipsoid:EPSG::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
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