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"]]