EntityQ109252968· pop 9· linked from 92 articlesGeodetic coordinatesSign in to savegeographic coordinate systemConnectionslatitudeEntityplanetary coordinate systemEntityEarth radiusEntityreference ellipsoidEntityECEFEntitysemi-axisEntitygeographic coordinate systemEntityInternational Standard Book NumberEntityequatorEntityangleEntitylongitudeEntitygeodesyEntitymeridianEntityaltitudeEntityspherical coordinate systemEntityprime meridianEntityorbital mechanicsEntitynormalEntitygeocentric orbitEntitygeodetic reference systemEntityCategoriesEllipsoidsGeodesyGeographic coordinate systemsOrthogonal coordinate systems