IBM에서 퍼온 자료입니다만... 공통된 정보라서 올려둡니다.
The following table lists all the ellipsoids that are provided with the IBM Informix Geodetic DataBlade module.
| ID | Name | a | b | 1/f (편평률) | Axis Units |
| 000 |
WGS84 |
6378137 |
|
298.257223563 |
Meter |
| 001 |
Airy 1830 |
6377563.396 |
|
299.32496 |
Meter |
| 002 |
Airy Modified 1849 |
6377340.189 |
|
299.32496 |
Meter |
| 003 |
Australian National Spheroid |
6378160 |
|
298.25 |
Meter |
| 004 |
Bessel 1841 |
6377397.155 |
|
299.1528218 |
Meter |
| 005 |
Bessel Modified |
6377492.018 |
|
299.1528128 |
Meter |
| 006 |
Bessel Namibia |
6377483.865 |
|
299.1528128 |
Meter |
| 007 |
Clarke 1858 |
20926348 |
20855233 |
|
Clarke's foot |
| 008 |
Clarke 1866 |
6378206.400 |
6356583.8 |
|
Meter |
| 009 |
Clarke 1866 Michigan |
20926631.530 |
20855688.67 |
|
US survey foot |
| 010 |
Clarke 1880 (Benoit) |
6378300.79 |
6356566.43 |
|
Meter |
| 011 |
Clarke 1880 (IGN) |
6378249.2 |
6356515 |
|
Meter |
| 012 |
Clarke 1880 (RGS) |
6378249.145 |
|
293.465 |
Meter |
| 013 |
Clarke 1880 (Arc) |
6378249.145 |
|
293.4663077 |
Meter |
| 014 |
Clarke 1880 (SGA 1922) |
6378249.2 |
|
293.46598 |
Meter |
| 015 |
Everest 1830 (1937 Adjustment) |
6377276.345 |
|
300.8017 |
Meter |
| 016 |
Everest 1830 (1967 Definition) |
6377298.556 |
|
300.8017 |
Meter |
| 017 |
Everest 1830 (1975 Definition) |
6377301.243 |
6356100.231 |
|
Meter |
| 018 |
Everest 1830 Modified |
6377304.063 |
|
300.8017 |
Meter |
| 019 |
GRS 1980 |
6378137 |
|
298.257222101 |
Meter |
| 020 |
Helmert 1906 |
6378200 |
|
298.3 |
Meter |
| 021 |
Indonesian National Spheroid |
6378160 |
|
298.247 |
Meter |
| 022 |
International 1924 |
6378388 |
|
297 |
Meter |
| 023 |
International 1967 |
6378160 |
|
298.247167427 |
Meter |
| 024 |
Krassowsky 1940 |
6378245 |
|
298.3 |
Meter |
| 025 |
NWL 9D |
6378145 |
|
298.25 |
Meter |
| 026 |
NWL 10D |
6378135 |
|
298.26 |
Meter |
| 027 |
Plessis 1817 |
6376523 |
|
308.64 |
Meter |
| 028 |
Struve 1860 |
6378298.3 |
|
294.73 |
Meter |
| 029 |
War Office |
6378300.583 |
|
296 |
Meter |
| 030 |
WGS84 |
6378137 |
|
298.257223563 |
Meter |
| 031 |
GEM 10C |
6378137 |
|
298.257223563 |
Meter |
| 032 |
OSU86F |
6378136.2 |
|
298.257223563 |
Meter |
| 033 |
OSU91A |
6378136.3 |
|
298.257223563 |
Meter |
| 034 |
Clarke 1880 |
20926202 |
20854895 |
|
Clarke's foot |
| 035 |
Sphere |
6371000 |
6371000 |
|
Meter |
| 036 |
GRS 1967 |
6378160 |
|
298.247167427 |
Meter |
| 037 |
Clarke Modified 1880 |
6378249.145 |
|
293.465 |
Meter |
| 038 |
International 1979 |
6378137 |
|
298.257222101 |
Meter |
| 039 |
Hayford 1909 |
6378388 |
|
297 |
Meter |
| 041 |
Average Terrestrial System 1977 |
6378135 |
|
298.257 |
Meter |
| 042 |
Everest (1830 Definition) |
20922931.8 |
20853374.58 |
|
Indian foot (Clarke) |
| 043 |
WGS 72 |
6378135 |
|
298.26 |
Meter
|