CGCS2000 GK Zone 23 - EPSG:4501
Detailed Extent
WKT
PROJCS["CGCS2000_GK_Zone_23",
GEOGCS["GCS_China_Geodetic_Coordinate_System_2000",
DATUM["D_China_2000",
SPHEROID["CGCS2000", 6378137.0, 298.257222101]],
PRIMEM["Greenwich", 0.0],
UNIT["Degree", 0.0174532925199433]],
PROJECTION["Gauss_Kruger"],
PARAMETER["False_Easting", 23500000.0],
PARAMETER["False_Northing", 0.0],
PARAMETER["Central_Meridian", 135.0],
PARAMETER["Scale_Factor", 1.0],
PARAMETER["Latitude_Of_Origin", 0.0],
UNIT["Meter", 1.0]]
WKT2
PROJCRS["CGCS2000_GK_Zone_23",
BASEGEOGCRS["GCS_China_Geodetic_Coordinate_System_2000",
DATUM["D_China_2000",
ELLIPSOID["CGCS2000", 6378137.0, 298.257222101]],
PRIMEM["Greenwich", 0.0],
CS[ellipsoidal, 2],
AXIS["Latitude (lat)", north,
ORDER[1]],
AXIS["Longitude (lon)", east,
ORDER[2]],
ANGLEUNIT["Degree", 0.0174532925199433]],
CONVERSION["Gauss_Kruger",
METHOD["Gauss_Kruger"],
PARAMETER["False_Easting", 23500000.0],
PARAMETER["False_Northing", 0.0],
PARAMETER["Central_Meridian", 135.0],
PARAMETER["Scale_Factor", 1.0],
PARAMETER["Latitude_Of_Origin", 0.0]],
CS[Cartesian, 2],
AXIS["Northing (Y)", north,
ORDER[1]],
AXIS["Easting (X)", east,
ORDER[2]],
LENGTHUNIT["Meter", 1.0],
ID["EPSG", "4501"]]
Data from @esri/proj-codes
{
"wkid": 4501,
"latestWkid": 4501,
"gcsWkid": 4490,
"macro": "PE_PCS_CHINA_2000_GK_23",
"name": "CGCS2000_GK_Zone_23",
"wkt": "PROJCS[\"CGCS2000_GK_Zone_23\",GEOGCS[\"GCS_China_Geodetic_Coordinate_System_2000\",DATUM[\"D_China_2000\",SPHEROID[\"CGCS2000\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Gauss_Kruger\"],PARAMETER[\"False_Easting\",23500000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",135.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]",
"wkt2": "PROJCRS[\"CGCS2000_GK_Zone_23\",BASEGEOGCRS[\"GCS_China_Geodetic_Coordinate_System_2000\",DATUM[\"D_China_2000\",ELLIPSOID[\"CGCS2000\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Gauss_Kruger\",METHOD[\"Gauss_Kruger\"],PARAMETER[\"False_Easting\",23500000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",135.0],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.0]],CS[Cartesian,2],AXIS[\"Northing (Y)\",north,ORDER[1]],AXIS[\"Easting (X)\",east,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"4501\"]]",
"description": "CGCS2000 GK Zone 23",
"authority": "EPSG",
"version": "7.2(10.1.0)",
"deprecated": "no",
"areaname": "China - east of 132~E",
"extent": {
"slat": 45.02,
"nlat": 48.4,
"llon": 132,
"rlon": 134.77
}
}