Mars 2000 Winkel Tripel (sphere) - ESRI:103887

WKT

PROJCS["Mars_2000_Winkel_Tripel_sphere", 
	GEOGCS["Mars_2000_(Sphere)", 
		DATUM["Mars_2000_(Sphere)", 
			SPHEROID["Mars_2000_(Sphere)", 3396190.0, 0.0]], 
		PRIMEM["Reference_Meridian", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Winkel_Tripel"], 
	PARAMETER["False_Easting", 0.0], 
	PARAMETER["False_Northing", 0.0], 
	PARAMETER["Central_Meridian", 0.0], 
	PARAMETER["Standard_Parallel_1", 50.46666666666667], 
	UNIT["Meter", 1.0]]

WKT2

PROJCRS["Mars_2000_Winkel_Tripel_sphere", 
	BASEGEOGCRS["Mars_2000_(Sphere)", 
		DATUM["Mars_2000_(Sphere)", 
			ELLIPSOID["Mars_2000_(Sphere)", 3396190.0, 0.0]], 
		PRIMEM["Reference_Meridian", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Longitude (lon)", east, 
			ORDER[1]], 
		AXIS["Latitude (lat)", north, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Winkel_Tripel", 
		METHOD["Winkel_Tripel"], 
		PARAMETER["False_Easting", 0.0], 
		PARAMETER["False_Northing", 0.0], 
		PARAMETER["Central_Meridian", 0.0], 
		PARAMETER["Standard_Parallel_1", 50.46666666666667]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Meter", 1.0], 
	ID["Esri", "103887"]]

Data from @esri/proj-codes

{
  "wkid": 103887,
  "latestWkid": 103887,
  "gcsWkid": 104971,
  "macro": "PE_PCS_MARS_2000_WINKEL_TRIPEL_SPHERE",
  "name": "Mars_2000_Winkel_Tripel_sphere",
  "wkt": "PROJCS[\"Mars_2000_Winkel_Tripel_sphere\",GEOGCS[\"Mars_2000_(Sphere)\",DATUM[\"Mars_2000_(Sphere)\",SPHEROID[\"Mars_2000_(Sphere)\",3396190.0,0.0]],PRIMEM[\"Reference_Meridian\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Winkel_Tripel\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",50.46666666666667],UNIT[\"Meter\",1.0]]",
  "wkt2": "PROJCRS[\"Mars_2000_Winkel_Tripel_sphere\",BASEGEOGCRS[\"Mars_2000_(Sphere)\",DATUM[\"Mars_2000_(Sphere)\",ELLIPSOID[\"Mars_2000_(Sphere)\",3396190.0,0.0]],PRIMEM[\"Reference_Meridian\",0.0],CS[ellipsoidal,2],AXIS[\"Longitude (lon)\",east,ORDER[1]],AXIS[\"Latitude (lat)\",north,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Winkel_Tripel\",METHOD[\"Winkel_Tripel\"],PARAMETER[\"False_Easting\",0.0],PARAMETER[\"False_Northing\",0.0],PARAMETER[\"Central_Meridian\",0.0],PARAMETER[\"Standard_Parallel_1\",50.46666666666667]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Meter\",1.0],ID[\"Esri\",\"103887\"]]",
  "description": "Mars 2000 Winkel Tripel (sphere)",
  "authority": "Esri",
  "version": "13.0.0",
  "deprecated": "no",
  "areaname": "Body",
  "extent": {
    "slat": -90,
    "nlat": 90,
    "llon": -180,
    "rlon": 180
  }
}