GEOGCS["Mercury (2015) / Ocentric",
    DATUM["Mercury (2015)",
        SPHEROID["Mercury (2015)",2440530,1075.12334801762,
            AUTHORITY["IAU","19901"]],
        AUTHORITY["IAU","19901"]],
    PRIMEM["Reference Meridian",0,
        AUTHORITY["IAU","19900"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["IAU","19902"]]