EPSG.dev

NAD 1983 Michigan GeoRef (US Feet) - ESRI:102121

Detailed Extent

WKT

PROJCS["NAD_1983_Michigan_GeoRef_Feet_US", 
	GEOGCS["GCS_North_American_1983", 
		DATUM["D_North_American_1983", 
			SPHEROID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		UNIT["Degree", 0.0174532925199433]], 
	PROJECTION["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"], 
	PARAMETER["False_Easting", 8355401.583], 
	PARAMETER["False_Northing", -14284780.538], 
	PARAMETER["Scale_Factor", 0.9996], 
	PARAMETER["Azimuth", 337.25556], 
	PARAMETER["Longitude_Of_Center", -86.0], 
	PARAMETER["Latitude_Of_Center", 45.30916666666666], 
	UNIT["Foot_US", 0.3048006096012192]]

WKT2

PROJCRS["NAD_1983_Michigan_GeoRef_Feet_US", 
	BASEGEOGCRS["GCS_North_American_1983", 
		DATUM["D_North_American_1983", 
			ELLIPSOID["GRS_1980", 6378137.0, 298.257222101]], 
		PRIMEM["Greenwich", 0.0], 
		CS[ellipsoidal, 2], 
		AXIS["Latitude (lat)", north, 
			ORDER[1]], 
		AXIS["Longitude (lon)", east, 
			ORDER[2]], 
		ANGLEUNIT["Degree", 0.0174532925199433]], 
	CONVERSION["Hotine_Oblique_Mercator_Azimuth_Natural_Origin", 
		METHOD["Hotine_Oblique_Mercator_Azimuth_Natural_Origin"], 
		PARAMETER["False_Easting", 8355401.583, 
			LENGTHUNIT["Foot_US", 0.3048006096012192]], 
		PARAMETER["False_Northing", -14284780.538, 
			LENGTHUNIT["Foot_US", 0.3048006096012192]], 
		PARAMETER["Scale_Factor", 0.9996], 
		PARAMETER["Azimuth", 337.25556], 
		PARAMETER["Longitude_Of_Center", -86.0], 
		PARAMETER["Latitude_Of_Center", 45.30916666666666]], 
	CS[Cartesian, 2], 
	AXIS["Easting (X)", east, 
		ORDER[1]], 
	AXIS["Northing (Y)", north, 
		ORDER[2]], 
	LENGTHUNIT["Foot_US", 0.3048006096012192], 
	ID["Esri", "102121"]]

Data from @esri/proj-codes

{
  "wkid": 102121,
  "latestWkid": 102121,
  "gcsWkid": 4269,
  "macro": "PE_PCS_NAD_1983_MICHIGAN_GEOREF",
  "name": "NAD_1983_Michigan_GeoRef_Feet_US",
  "wkt": "PROJCS[\"NAD_1983_Michigan_GeoRef_Feet_US\",GEOGCS[\"GCS_North_American_1983\",DATUM[\"D_North_American_1983\",SPHEROID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],UNIT[\"Degree\",0.0174532925199433]],PROJECTION[\"Hotine_Oblique_Mercator_Azimuth_Natural_Origin\"],PARAMETER[\"False_Easting\",8355401.583],PARAMETER[\"False_Northing\",-14284780.538],PARAMETER[\"Scale_Factor\",0.9996],PARAMETER[\"Azimuth\",337.25556],PARAMETER[\"Longitude_Of_Center\",-86.0],PARAMETER[\"Latitude_Of_Center\",45.30916666666666],UNIT[\"Foot_US\",0.3048006096012192]]",
  "wkt2": "PROJCRS[\"NAD_1983_Michigan_GeoRef_Feet_US\",BASEGEOGCRS[\"GCS_North_American_1983\",DATUM[\"D_North_American_1983\",ELLIPSOID[\"GRS_1980\",6378137.0,298.257222101]],PRIMEM[\"Greenwich\",0.0],CS[ellipsoidal,2],AXIS[\"Latitude (lat)\",north,ORDER[1]],AXIS[\"Longitude (lon)\",east,ORDER[2]],ANGLEUNIT[\"Degree\",0.0174532925199433]],CONVERSION[\"Hotine_Oblique_Mercator_Azimuth_Natural_Origin\",METHOD[\"Hotine_Oblique_Mercator_Azimuth_Natural_Origin\"],PARAMETER[\"False_Easting\",8355401.583,LENGTHUNIT[\"Foot_US\",0.3048006096012192]],PARAMETER[\"False_Northing\",-14284780.538,LENGTHUNIT[\"Foot_US\",0.3048006096012192]],PARAMETER[\"Scale_Factor\",0.9996],PARAMETER[\"Azimuth\",337.25556],PARAMETER[\"Longitude_Of_Center\",-86.0],PARAMETER[\"Latitude_Of_Center\",45.30916666666666]],CS[Cartesian,2],AXIS[\"Easting (X)\",east,ORDER[1]],AXIS[\"Northing (Y)\",north,ORDER[2]],LENGTHUNIT[\"Foot_US\",0.3048006096012192],ID[\"Esri\",\"102121\"]]",
  "description": "NAD 1983 Michigan GeoRef (US Feet)",
  "authority": "Esri",
  "version": "8.0.1",
  "deprecated": "no",
  "areaname": "USA - Michigan",
  "extent": {
    "slat": 41.69,
    "nlat": 48.32,
    "llon": -90.42,
    "rlon": -82.13
  }
}