PROJCS["Metis (2015) - Sphere / Ocentric / Sinusoidal, clon = 0", 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"]], PROJECTION["Sinusoidal"], PARAMETER["longitude_of_center",0], PARAMETER["false_easting",0], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["IAU","51620"]]