site search by freefind

follow me


mapref.orgon

samples of in geodesy used ellipsoids Geodetic Reference System
graphic4.9.2011
In geodesy, various ellipsoids are established.
Ellipsoidname
 
 
Semi-major axis  [m]
Semi-minor axis  [m]
Flattening
Airy
1830
6377563.3964
 
 
1:299.32496459
Airy Modified
1965
6377340.189
 
 
1:299.32496459
Bessel
1841
6377397.155
6356078.963
1:299.15
Clarke
1880IGN
6378249.2
 
 
1:293.4660213
Clarke
1880G
6378249.14533
 
 
1:293.465
GRS80
1980
6378137
 
 
1:298.257222101
International of Hayford
1928/ 1909
6378388
6356911.946
1:297.0
Krassowskij
1940
6378245
6356863.019
1:298.3
WGS 84
1984
6378137
6356752.31
1:298.26
various in geodesy used ellipsoids