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Share on: T Q
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Unit: metre
Data source: EPSG
Information source: OGP
Revision date: 2001-06-25
Remarks: Authalic sphere derived from GRS 1980 ellipsoid (code 7019). (An authalic sphere is one with a surface area equal to the surface area of the ellipsoid). 1/f is infinite.
Definition: OGC Well Known Text
SPHEROID["GRS 1980 Authalic Sphere",6371007,0, AUTHORITY["EPSG","7048"]]
Definition: OGC Well Known Text 2 (2019)
ELLIPSOID["GRS 1980 Authalic Sphere",6371007,0, LENGTHUNIT["metre",1], ID["EPSG",7048]]
Definition: ESRI Well Known Text
SPHEROID["Sphere_GRS_1980_Authalic",6371007.0,0.0]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Ellipsoid", "name": "GRS 1980 Authalic Sphere", "radius": 6371007, "id": { "authority": "EPSG", "code": 7048 } }
Definition: GeoServer
7048-ellipsoid=SPHEROID["GRS 1980 Authalic Sphere",6371007,0,AUTHORITY["EPSG","7048"]]