PROJCS["Helene (2015) - Sphere / Ocentric / North Polar",GEOGCS["Helene (2015) - Sphere / Ocentric",DATUM["Helene (2015) - Sphere",SPHEROID["Helene (2015) - Sphere",18000,0,AUTHORITY["IAU","61200"]],AUTHORITY["IAU","61200"]],PRIMEM["Reference Meridian",0,AUTHORITY["IAU","61200"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["IAU","61200"]],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","61230"]]