RSRGD2000 Ross Ice Shelf PS2000 - EPSG:5482

WKT

PROJCS["RSRGD2000_RSPS2000", 
	GEOGCS["GCS_RSRGD2000", 
		DATUM["D_Ross_Sea_Region_Geodetic_Datum_2000", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Stereographic"], 
	PARAMETER["False_Easting", 5000000.0], 
	PARAMETER["False_Northing", 1000000.0], 
	PARAMETER["Central_Meridian", 180.0], 
	PARAMETER["Scale_Factor", 0.994], 
	PARAMETER["Latitude_Of_Origin", -90.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["RSRGD2000_RSPS2000", 
	BASEGEOGCRS["GCS_RSRGD2000", 
		DATUM["D_Ross_Sea_Region_Geodetic_Datum_2000", 
			ELLIPSOID["GRS_1980", 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["Stereographic", 
		METHOD["Stereographic"], 
		PARAMETER["False_Easting", 5000000.0], 
		PARAMETER["False_Northing", 1000000.0], 
		PARAMETER["Central_Meridian", 180.0], 
		PARAMETER["Scale_Factor", 0.994], 
		PARAMETER["Latitude_Of_Origin", -90.0]], 
	CS[Cartesian, 2], 
	AXIS["Northing (Y)", north, 
		ORDER[1]], 
	AXIS["Easting (X)", east, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "5482"]]

Data from @esri/proj-codes

{
  "wkid": 5482,
  "latestWkid": 5482,
  "gcsWkid": 4764,
  "macro": "PE_PCS_RSRGD2000_RSPS2000",
  "name": "RSRGD2000_RSPS2000",
  "wkt": "PROJCS[\"RSRGD2000_RSPS2000\",GEOGCS[\"GCS_RSRGD2000\",DATUM[\"D_Ross_Sea_Region_Geodetic_Datum_2000\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Stereographic\"],PARAMETER[\"False_Easting\",5000000.0],PARAMETER[\"False_Northing\",1000000.0],PARAMETER[\"Central_Meridian\",180.0],PARAMETER[\"Scale_Factor\",0.994],PARAMETER[\"Latitude_Of_Origin\",-90.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"RSRGD2000_RSPS2000\",BASEGEOGCRS[\"GCS_RSRGD2000\",DATUM[\"D_Ross_Sea_Region_Geodetic_Datum_2000\",ELLIPSOID[\"GRS_1980\",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[\"Stereographic\",METHOD[\"Stereographic\"],PARAMETER[\"False_Easting\",5000000.0],PARAMETER[\"False_Northing\",1000000.0],PARAMETER[\"Central_Meridian\",180.0],PARAMETER[\"Scale_Factor\",0.994],PARAMETER[\"Latitude_Of_Origin\",-90.0]],CS[Cartesian,2],AXIS[\"Northing (Y)\",north,ORDER[1]],AXIS[\"Easting (X)\",east,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"5482\"]]",
  "description": "RSRGD2000 Ross Ice Shelf PS2000",
  "authority": "EPSG",
  "version": "7.6.9(10.1.0)",
  "deprecated": "no",
  "areaname": "Antarctica - Ross Ice Shelf Region",
  "extent": {
    "slat": -90,
    "nlat": -76,
    "llon": 150,
    "rlon": -150
  }
}