PROJCS["Mercury (2015) - Sphere / Ocentric / Orthographic, clon = 180",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"]],PROJECTION["Orthographic"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",180],PARAMETER["false_easting",0],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["IAU","19970"]]