GEOGCS["Mercury_2015", DATUM["Mercury_2015", SPHEROID["Mercury_2015",2439400,0, AUTHORITY["ESRI","107974"]], AUTHORITY["ESRI","106974"]], PRIMEM["Reference_Meridian",0, AUTHORITY["ESRI","108900"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["ESRI","104974"]]