GEOGCS["Metis (2015) - Sphere / Ocentric",DATUM["Metis (2015) - Sphere",SPHEROID["Metis (2015) - Sphere",21500,0,AUTHORITY["IAU","51600"]],AUTHORITY["IAU","51600"]],PRIMEM["Reference Meridian",0,AUTHORITY["IAU","51600"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["IAU","51600"]]