EPSG:4498Projected
CGCS2000 / Gauss-Kruger zone 20
Type
Projected
Unit
metre
Area of use
China - onshore and offshore between 114°E and 120°E.
proj4 definition
+proj=tmerc +lat_0=0 +lon_0=117 +k=1 +x_0=20500000 +y_0=0 +ellps=GRS80 +units=m +no_defs +type=crs
Well-Known Text (WKT)
PROJCS["CGCS2000 / Gauss-Kruger zone 20",GEOGCS["China Geodetic Coordinate System 2000",DATUM["China_2000",SPHEROID["CGCS2000",6378137,298.257222101,AUTHORITY["EPSG","1024"]],AUTHORITY["EPSG","1043"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4490"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",117],PARAMETER["scale_factor",1],PARAMETER["false_easting",20500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","4498"]]