NSIDC Authalic Sphere - EPSG:10346

WKT

GEOGCS["NSIDC_Authalic_Sphere", 
	DATUM["NSIDC_International_1924_Authalic_Sphere", 
		SPHEROID["Sphere_International_1924_Authalic", 6371228.0, 0.0]], 
	PRIMEM["Greenwich", 0.0], 
	UNIT["Degree", 0.0174532925199433]]

WKT2

GEOGCRS["NSIDC_Authalic_Sphere", 
	DATUM["NSIDC_International_1924_Authalic_Sphere", 
		ELLIPSOID["Sphere_International_1924_Authalic", 6371228.0, 0.0]], 
	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", "10346"]]

Data from @esri/proj-codes

{
  "wkid": 10346,
  "latestWkid": 10346,
  "macro": "PE_GCS_NSIDC_AUTHALIC_SPHERE",
  "name": "NSIDC_Authalic_Sphere",
  "wkt": "GEOGCS[\"NSIDC_Authalic_Sphere\",DATUM[\"NSIDC_International_1924_Authalic_Sphere\",SPHEROID[\"Sphere_International_1924_Authalic\",6371228.0,0.0]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]]",
  "wkt2": "GEOGCRS[\"NSIDC_Authalic_Sphere\",DATUM[\"NSIDC_International_1924_Authalic_Sphere\",ELLIPSOID[\"Sphere_International_1924_Authalic\",6371228.0,0.0]],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\",\"10346\"]]",
  "description": "NSIDC Authalic Sphere",
  "authority": "EPSG",
  "version": "10.089(13.2.0)",
  "deprecated": "no",
  "areaname": "World",
  "extent": {
    "slat": -90,
    "nlat": 90,
    "llon": -180,
    "rlon": 180
  }
}