Geocentric equatorial inertial system for epoch 1950 (spherical)
prefLabel
Geocentric Equatorial Inertial system for epoch 1950 (spherical)
definition
Geocentric Equatorial Inertial system for epoch 1950 (also known as GEI1950, i.e. GEI for epoch 1950.0) in spherical representation (lat, lon, alt), where "alt" is the distance from Earth center in km (the mean Earth radius is 6371.2 km)