NSIDC Sea Ice Polar Stereographic South - EPSG:3412

WKT

PROJCS["NSIDC_Sea_Ice_Polar_Stereographic_South", 
	GEOGCS["GCS_Hughes_1980", 
		DATUM["D_Hughes_1980", 
			SPHEROID["Hughes_1980", 6378273.0, 298.279411123064]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Stereographic_South_Pole"], 
	PARAMETER["False_Easting", 0.0], 
	PARAMETER["False_Northing", 0.0], 
	PARAMETER["Central_Meridian", 0.0], 
	PARAMETER["Standard_Parallel_1", -70.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["NSIDC_Sea_Ice_Polar_Stereographic_South", 
	BASEGEOGCRS["GCS_Hughes_1980", 
		DATUM["D_Hughes_1980", 
			ELLIPSOID["Hughes_1980", 6378273.0, 298.279411123064]], 
		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_South_Pole", 
		METHOD["Stereographic_South_Pole"], 
		PARAMETER["False_Easting", 0.0], 
		PARAMETER["False_Northing", 0.0], 
		PARAMETER["Central_Meridian", 0.0], 
		PARAMETER["Standard_Parallel_1", -70.0]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "3412"]]

Data from @esri/proj-codes

{
  "wkid": 3412,
  "latestWkid": 3412,
  "gcsWkid": 10345,
  "macro": "PE_PCS_NSIDC_SEA_ICE_POLAR_STEREO_S",
  "name": "NSIDC_Sea_Ice_Polar_Stereographic_South",
  "wkt": "PROJCS[\"NSIDC_Sea_Ice_Polar_Stereographic_South\",GEOGCS[\"GCS_Hughes_1980\",DATUM[\"D_Hughes_1980\",SPHEROID[\"Hughes_1980\",6378273.0,298.279411123064]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Stereographic_South_Pole\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",-70.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"NSIDC_Sea_Ice_Polar_Stereographic_South\",BASEGEOGCRS[\"GCS_Hughes_1980\",DATUM[\"D_Hughes_1980\",ELLIPSOID[\"Hughes_1980\",6378273.0,298.279411123064]],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_South_Pole\",METHOD[\"Stereographic_South_Pole\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",-70.0]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"3412\"]]",
  "description": "NSIDC Sea Ice Polar Stereographic South",
  "authority": "EPSG",
  "version": "7.1(9.3.0.0)",
  "deprecated": "no",
  "areaname": "World - S hemisphere - south of 60~S",
  "extent": {
    "slat": -90,
    "nlat": -60,
    "llon": -180,
    "rlon": 180
  }
}