Astronomical Station 1952 - EPSG:4711

WKT

GEOGCS["GCS_Astro_1952", 
	DATUM["D_Astro_1952", 
		SPHEROID["International_1924", 6378388.0, 297.0]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["GCS_Astro_1952", 
	DATUM["D_Astro_1952", 
		ELLIPSOID["International_1924", 6378388.0, 297.0]], 
	PRIMEM["Greenwich", 0.0], 
	CS[ellipsoidal, 2], 
	AXIS["Latitude (lat)", north, 
		ORDER[1]], 
	AXIS["Longitude (lon)", east, 
		ORDER[2]], 
	ANGLEUNIT["Degree", 0.0174532925199433], 
	ID["EPSG", "4711"]]

Data from @esri/proj-codes

{
  "wkid": 4711,
  "latestWkid": 4711,
  "macro": "PE_GCS_ASTRO_1952",
  "name": "GCS_Astro_1952",
  "wkt": "GEOGCS[\"GCS_Astro_1952\",DATUM[\"D_Astro_1952\",SPHEROID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"GCS_Astro_1952\",DATUM[\"D_Astro_1952\",ELLIPSOID[\"International_1924\",6378388.0,297.0]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433],ID[\"EPSG\",\"4711\"]]",
  "description": "Astronomical Station 1952",
  "authority": "EPSG",
  "version": "7.9.8(9.3.0.0)",
  "deprecated": "no",
  "areaname": "Japan - Minamitori-shima (Marcus Island) - onshore",
  "extent": {
    "slat": 24.22,
    "nlat": 24.35,
    "llon": 153.91,
    "rlon": 154.05
  }
}