GEOGCS["Callisto (2015) / Ographic",DATUM["Callisto (2015)",SPHEROID["Callisto (2015)",2410300,0,AUTHORITY["IAU","50401"]],AUTHORITY["IAU","50401"]],PRIMEM["Reference Meridian",0,AUTHORITY["IAU","50400"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["IAU","50401"]]