GEOGCS["Umbriel (2015) - Sphere / Ocentric",DATUM["Umbriel (2015) - Sphere",SPHEROID["Umbriel (2015) - Sphere",584700,0,AUTHORITY["IAU","70200"]],AUTHORITY["IAU","70200"]],PRIMEM["Reference Meridian",0,AUTHORITY["IAU","70200"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["IAU","70200"]]