GEOGCS["Mercury (2015) - Sphere / Ocentric",DATUM["Mercury (2015) - Sphere",SPHEROID["Mercury (2015) - Sphere",2440530,0,AUTHORITY["IAU","19900"]],AUTHORITY["IAU","19900"]],PRIMEM["Reference Meridian",0,AUTHORITY["IAU","19900"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["IAU","19900"]]