PROJCS["Mercury_Stereographic_AUTO",
    GEOGCS["Mercury 2000",
        DATUM["D_Mercury_2000",
            SPHEROID["Mercury_2000_IAU_IAG",2439700.0,0.0]],
        PRIMEM["Greenwich",0],
        UNIT["Decimal_Degree",0.0174532925199433]],
    PROJECTION["Stereographic"],
    PARAMETER["False_Easting",0],
    PARAMETER["False_Northing",0],
    PARAMETER["Central_Meridian",0],
    PARAMETER["Scale_Factor",1],
    PARAMETER["Latitude_Of_Origin",0],
    UNIT["Meter",1]]