PROJCRS["Io (2015) - Sphere / Ocentric / South Polar",
    BASEGEOGCRS["Io (2015) - Sphere / Ocentric",
        DATUM["Io (2015) - Sphere",
            ELLIPSOID["Io (2015) - Sphere",1821490,0,
                LENGTHUNIT["metre",1]],
            ANCHOR["The mean sub-Jovian direction: 0.0"]],
        PRIMEM["Reference Meridian",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["IAU",50100,2015]],
    CONVERSION["South Polar",
        METHOD["Polar Stereographic (variant A)",
            ID["EPSG",9810]],
        PARAMETER["Latitude of natural origin",-90,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    ID["IAU",50135,2015]]