Geodetic spheroids

HCL® OneDB® spatial data types support many geodetic spheriods.

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 ONEDB_HOME/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]