Geodetic spheroids

The following table lists a representative sample of the geodetic spheroids supported by the HCL OneDB spatial data types. For a complete list of supported geodetic spheroids, see the file INFORMIXDIR/extend/spatial.version/include/pedef.h.

Table 1. Geodetic spheriods

Factory ID	Description	OGC well-known text string
7001	Airy 1830	SPHEROID["Airy_1830",6377563.396,299.3249646]
7002	Airy modified	SPHEROID["Airy_Modified",6377340.189,299.3249646]
7041	Average Terrestrial System 1977	SPHEROID["ATS_1977",6378135,298.257]
7003	Australian National	SPHEROID["Australian",6378160,298.25]
7004	Bessel 1841	SPHEROID["Bessel_1841",6377397.155,299.1528128]
7005	Bessel modified	SPHEROID["Bessel_Modified",6377492.018,299.1528128]
7006	Bessel Namibia	SPHEROID["Bessel_Namibia",6377483.865,299.1528128]
7007	Clarke 1858	SPHEROID["Clarke_1858",6378293.639,294.260676369]
7008	Clarke 1866	SPHEROID["Clarke_1866",6378206.4,294.9786982]
7009	Clarke 1866 Michigan	SPHEROID["Clarke_1866_Michigan",6378450.047,294.978684677]
7034	Clarke 1880	SPHEROID["Clarke_1880",6378249.138,293.466307656]
7013	Clarke 1880 (Arc)	SPHEROID["Clarke_1880_Arc",6378249.145,293.466307656]
7010	Clarke 1880 (Benoit)	SPHEROID["Clarke_1880_Benoit",6378300.79,293.466234571]
7011	Clarke 1880 (IGN)	SPHEROID["Clarke_1880_IGN",6378249.2,293.46602]
7012	Clarke 1880 (RGS)	SPHEROID["Clarke_1880_RGS",6378249.145,293.465]
7014	Clarke 1880 (SGA)	SPHEROID["Clarke_1880_SGA",6378249.2,293.46598]
7042	Everest 1830 (definition)	SPHEROID["Everest_1830",6377299.36,300.8017]
7018	Everest 1830 (modified)	SPHEROID["Everest_1830_Modified",6377304.063,300.8017]
7015	Everest (adjustment 1937)	SPHEROID["Everest_Adjustment_1937",6377276.345,300.8017]
7044	Everest (definition 1962)	SPHEROID["Everest_Definition_1962",6377301.243,300.8017255]
7016	Everest (definition 1967)	SPHEROID["Everest_Definition_1967",6377298.556,300.8017]
7045	Everest (definition 1975)	SPHEROID["Everest_Definition_1975",6377299.151,300.8017255]
7031	GEM gravity potential model	SPHEROID["GEM_10C",6378137,298.257222101]
7036	GRS 1967 = International 1967	SPHEROID["GRS_1967",6378160,298.247167427]
7019	GRS 1980	SPHEROID["GRS_1980",6378137,298.257222101]
7020	Helmert 1906	SPHEROID["Helmert_1906",6378200,298.3]
7021	Indonesian National	SPHEROID["Indonesian",6378160,298.247]
7022	International 1924	SPHEROID["International_1924",6378388,297]
7023	International 1967	SPHEROID["International_1967",6378160,298.25]
7024	Krasovsky 1940	SPHEROID["Krasovsky_1940",6378245,298.3]
7025	Transit precise ephemeris	SPHEROID["NWL_9D",6378145,298.25]
7032	OSU 1986 geoidal model	SPHEROID["OSU_86F",6378136.2,298.25722]
7033	OSU 1991 geoidal model	SPHEROID["OSU_91A",6378136.3,298.25722]
7027	Plessis 1817	SPHEROID["Plessis_1817",6376523,308.64]
7035	Authalic sphere	SPHEROID["Sphere",6371000,0]
7028	Struve 1860	SPHEROID["Struve_1860",6378298.3,294.73]
7029	War Office	SPHEROID["War_Office",6378300.583,296]
7026	NWL-10D == WGS 1972	SPHEROID["NWL_10D",6378135,298.26]
7043	WGS 1972	SPHEROID["WGS_1972",6378135,298.26]
7030	WGS 1984	SPHEROID["WGS_1984",6378137,298.257223563]
107001	WGS 1966	SPHEROID["WGS_1966",6378145,298.25]
107002	Fischer 1960	SPHEROID["Fischer_1960",6378166,298.3]
107003	Fischer 1968	SPHEROID["Fischer_1968",6378150,298.3]
107004	Fischer modified	SPHEROID["Fischer_Modified",6378155,298.3]
107005	Hough 1960	SPHEROID["Hough_1960",6378270,297]
107006	Everest modified 1969	SPHEROID["Everest_Modified_1969",6377295.664,300.8017]
107007	Walbeck	SPHEROID["Walbeck",6376896,302.78]
107008	Authalic sphere (ARC/INFO)	SPHEROID["Sphere_ARC_INFO",6370997,0]
107036	GRS 1967 Truncated	SPHEROID["GRS_1967_Truncated",6378160,298.25]