Mercury_Oblique_Cylindrical_Equal_Area_AUTO Mercury 2000 ellipsoidal 6402 Geodetic latitude 9901 Lat north Geodetic longitude 9902 Lon east D_Mercury_2000 Greenwich 0 Mercury_2000_IAU_IAG 2439700.0 0.0 Cartesian 4400 Easting 9906 E east Northing 9907 N north