Pulkovo 1942 CS63 Zone K2 - EPSG:2939

WKT

PROJCS["Pulkovo_1942_CS63_Zone_K2", 
	GEOGCS["GCS_Pulkovo_1942", 
		DATUM["D_Pulkovo_1942", 
			SPHEROID["Krasovsky_1940", 6378245.0, 298.3]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Gauss_Kruger"], 
	PARAMETER["False_Easting", 2300000.0], 
	PARAMETER["False_Northing", 0.0], 
	PARAMETER["Central_Meridian", 50.76666666666667], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Latitude_Of_Origin", 0.1333333333333333], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["Pulkovo_1942_CS63_Zone_K2", 
	BASEGEOGCRS["GCS_Pulkovo_1942", 
		DATUM["D_Pulkovo_1942", 
			ELLIPSOID["Krasovsky_1940", 6378245.0, 298.3]], 
		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", 2300000.0], 
		PARAMETER["False_Northing", 0.0], 
		PARAMETER["Central_Meridian", 50.76666666666667], 
		PARAMETER["Scale_Factor", 1.0], 
		PARAMETER["Latitude_Of_Origin", 0.1333333333333333]], 
	CS[Cartesian, 2], 
	AXIS["Northing (Y)", north, 
		ORDER[1]], 
	AXIS["Easting (X)", east, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["EPSG", "2939"]]

Data from @esri/proj-codes

{
  "wkid": 2939,
  "latestWkid": 2939,
  "gcsWkid": 4284,
  "macro": "PE_PCS_PULKOVO_1942_CS63_K2",
  "name": "Pulkovo_1942_CS63_Zone_K2",
  "wkt": "PROJCS[\"Pulkovo_1942_CS63_Zone_K2\",GEOGCS[\"GCS_Pulkovo_1942\",DATUM[\"D_Pulkovo_1942\",SPHEROID[\"Krasovsky_1940\",6378245.0,298.3]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Gauss_Kruger\"],PARAMETER[\"False_Easting\",2300000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",50.76666666666667],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.1333333333333333],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"Pulkovo_1942_CS63_Zone_K2\",BASEGEOGCRS[\"GCS_Pulkovo_1942\",DATUM[\"D_Pulkovo_1942\",ELLIPSOID[\"Krasovsky_1940\",6378245.0,298.3]],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\",2300000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",50.76666666666667],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.1333333333333333]],CS[Cartesian,2],AXIS[\"Northing (Y)\",north,ORDER[1]],AXIS[\"Easting (X)\",east,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"EPSG\",\"2939\"]]",
  "description": "Pulkovo 1942 CS63 Zone K2",
  "authority": "EPSG",
  "version": "6.2(9.2.0)",
  "deprecated": "no",
  "areaname": "Asia - FSU - CS63 zone K2",
  "extent": {
    "slat": 41.15,
    "nlat": 51.77,
    "llon": 49.26,
    "rlon": 52.27
  }
}