PROJCS["Umbriel (2015) - Sphere / Ocentric / Robinson, clon = 180",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"]],PROJECTION["Robinson"],PARAMETER["longitude_of_center",180],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["IAU","70255"]]