UCS-2000 LCS-53 Poltava - EPSG:9854

WKT

PROJCS["UCS-2000_LCS-53_Poltava", 
	GEOGCS["GCS_Ukraine_2000", 
		DATUM["D_Ukraine_2000", 
			SPHEROID["Krasovsky_1940", 6378245.0, 298.3]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Transverse_Mercator"], 
	PARAMETER["False_Easting", 300000.0], 
	PARAMETER["False_Northing", 0.0], 
	PARAMETER["Central_Meridian", 33.83333333333334], 
	PARAMETER["Scale_Factor", 1.0], 
	PARAMETER["Latitude_Of_Origin", 0.0], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["UCS-2000_LCS-53_Poltava", 
	BASEGEOGCRS["GCS_Ukraine_2000", 
		DATUM["D_Ukraine_2000", 
			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["Transverse_Mercator", 
		METHOD["Transverse_Mercator"], 
		PARAMETER["False_Easting", 300000.0], 
		PARAMETER["False_Northing", 0.0], 
		PARAMETER["Central_Meridian", 33.83333333333334], 
		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", "9854"]]

Data from @esri/proj-codes

{
  "wkid": 9854,
  "latestWkid": 9854,
  "gcsWkid": 5561,
  "macro": "PE_PCS_UCS_2000_LCS_53_POLTAVA",
  "name": "UCS-2000_LCS-53_Poltava",
  "wkt": "PROJCS[\"UCS-2000_LCS-53_Poltava\",GEOGCS[\"GCS_Ukraine_2000\",DATUM[\"D_Ukraine_2000\",SPHEROID[\"Krasovsky_1940\",6378245.0,298.3]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",300000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",33.83333333333334],PARAMETER[\"Scale_Factor\",1.0],PARAMETER[\"Latitude_Of_Origin\",0.0],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"UCS-2000_LCS-53_Poltava\",BASEGEOGCRS[\"GCS_Ukraine_2000\",DATUM[\"D_Ukraine_2000\",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[\"Transverse_Mercator\",METHOD[\"Transverse_Mercator\"],PARAMETER[\"False_Easting\",300000.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",33.83333333333334],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\",\"9854\"]]",
  "description": "UCS-2000 LCS-53 Poltava",
  "authority": "EPSG",
  "version": "10.037(13.1.0)",
  "deprecated": "no",
  "areaname": "Ukraine - Poltava oblast",
  "extent": {
    "slat": 48.74,
    "nlat": 50.55,
    "llon": 32.08,
    "rlon": 35.49
  }
}