4.9.2011In 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
