PROJCS["Cressida (2015) - Sphere / Ocentric / North Polar", GEOGCS["Cressida (2015) - Sphere / Ocentric", DATUM["Cressida (2015) - Sphere", SPHEROID["Cressida (2015) - Sphere",31000,0, AUTHORITY["IAU","70900"]], AUTHORITY["IAU","70900"]], PRIMEM["Reference Meridian",0, AUTHORITY["IAU","70900"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["IAU","70900"]], PROJECTION["Polar_Stereographic"], PARAMETER["latitude_of_origin",90], PARAMETER["central_meridian",0], PARAMETER["scale_factor",1], PARAMETER["false_easting",0], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["IAU","70930"]]