Geocentric translations (geog2D domain)
For many purposes NAD83(2011) can be considered to be coincident with WGS 84. This approximation ignores the ~2.2m offset of NAD83 from the geocentre, the low accuracy of the WGS 84 ensemble and the application of tectonic plate motion to WGS 84 data.
IOGP
2021-09-08
metre
NAD83 (National Spatial Reference System 2011)
EPSG
State of Maine statutes, http://janus.state.me.us/legis/statutes/33/title33sec801.html
2013-10-09
Engineering survey, topographic mapping.
Replaces NAD83(NSRS2007) / Maine CS2000 Central (CRS code 3554).
Cartesian 2D CS. Axes: easting, northing (X,Y). Orientations: east, north. UoM: m.
-4008224.42 2129758.73
-12295294.59 -3167982.15
1064989.58 12299974.29
167.65 14.92
-63.88 74.71
Definition: OGC Well Known Text
PROJCS["NAD83(2011) / Maine CS2000 Central", GEOGCS["NAD83(2011)", DATUM["NAD83_National_Spatial_Reference_System_2011", SPHEROID["GRS 1980",6378137,298.257222101], TOWGS84[0,0,0,0,0,0,0]], PRIMEM["Greenwich",0, AUTHORITY["EPSG","8901"]], UNIT["degree",0.0174532925199433, AUTHORITY["EPSG","9122"]], AUTHORITY["EPSG","6318"]], PROJECTION["Transverse_Mercator"], PARAMETER["latitude_of_origin",43.5], PARAMETER["central_meridian",-69.125], PARAMETER["scale_factor",0.99998], PARAMETER["false_easting",500000], PARAMETER["false_northing",0], UNIT["metre",1, AUTHORITY["EPSG","9001"]], AXIS["Easting",EAST], AXIS["Northing",NORTH], AUTHORITY["EPSG","6480"]]
Definition: OGC Well Known Text 2 (2019)
PROJCRS["NAD83(2011) / Maine CS2000 Central", BASEGEOGCRS["NAD83(2011)", DATUM["NAD83 (National Spatial Reference System 2011)", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",6318]], CONVERSION["Maine CS2000 Central zone (meter)", METHOD["Transverse Mercator", ID["EPSG",9807]], PARAMETER["Latitude of natural origin",43.5, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8801]], PARAMETER["Longitude of natural origin",-69.125, ANGLEUNIT["degree",0.0174532925199433], ID["EPSG",8802]], PARAMETER["Scale factor at natural origin",0.99998, SCALEUNIT["unity",1], ID["EPSG",8805]], PARAMETER["False easting",500000, LENGTHUNIT["metre",1], ID["EPSG",8806]], PARAMETER["False northing",0, LENGTHUNIT["metre",1], ID["EPSG",8807]]], CS[Cartesian,2], AXIS["easting (X)",east, ORDER[1], LENGTHUNIT["metre",1]], AXIS["northing (Y)",north, ORDER[2], LENGTHUNIT["metre",1]], USAGE[ SCOPE["Engineering survey, topographic mapping."], AREA["United States (USA) - Maine between approximately 69°40'W and 68°25'W. The area is bounded by the following: Beginning at the point determined by the intersection of the Maine State line and the County Line between Aroostook and Somerset Counties, thence northeasterly along the state line to the intersection of the Fort Kent - Frenchville town line, thence southerly along this town line to the intersection with the New Canada Plantation - T17 R5 WELS town line, thence continuing southerly along town lines to the northeast corner of Penobscot County, thence continuing southerly along the Penobscot County line to the intersection of the Woodville - Mattawamkeag town line (being determined by the Penobscot River), thence along the Penobscot River to the Enfield - Lincoln town line, thence southeasterly along the Enfield - Lincoln town line and the Enfield - Lowell town line to the Passadumkeag - Edinburg town line, thence south-southeasterly along town lines to the intersection of the Hancock County line, thence southerly along the county line to the intersection of the Otis - Mariaville town line, thence southerly along the Otis - Mariaville town line to the Ellsworth city line, thence southerly along the Ellsworth city line to the intersection of the Surry - Trenton town line, thence southerly along the easterly town lines of Surry, Blue Hill, Brooklin, Deer Isle, and Stonington to the Knox County line, thence following the Knox County line to the boundary of the State of Maine as determined by Maritime law, thence following the State boundary westerly to the intersection of the Sagadahoc - Lincoln county line, thence northerly along the easterly boundary of the Maine 2000 West Zone, as defined, to the point of beginning."], BBOX[43.75,-70.03,47.47,-68.33]], ID["EPSG",6480]]
Definition: ESRI Well Known Text
PROJCS["NAD_1983_2011_Maine_2000_Central_Zone", GEOGCS["GCS_NAD_1983_2011", DATUM["D_NAD_1983_2011", SPHEROID["GRS_1980",6378137.0,298.257222101]], PRIMEM["Greenwich",0.0], UNIT["Degree",0.0174532925199433]], PROJECTION["Transverse_Mercator"], PARAMETER["False_Easting",500000.0], PARAMETER["False_Northing",0.0], PARAMETER["Central_Meridian",-69.125], PARAMETER["Scale_Factor",0.99998], PARAMETER["Latitude_Of_Origin",43.5], UNIT["Meter",1.0]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "ProjectedCRS", "name": "NAD83(2011) / Maine CS2000 Central", "base_crs": { "name": "NAD83(2011)", "datum": { "type": "GeodeticReferenceFrame", "name": "NAD83 (National Spatial Reference System 2011)", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6318 } }, "conversion": { "name": "Maine CS2000 Central zone (meter)", "method": { "name": "Transverse Mercator", "id": { "authority": "EPSG", "code": 9807 } }, "parameters": [ { "name": "Latitude of natural origin", "value": 43.5, "unit": "degree", "id": { "authority": "EPSG", "code": 8801 } }, { "name": "Longitude of natural origin", "value": -69.125, "unit": "degree", "id": { "authority": "EPSG", "code": 8802 } }, { "name": "Scale factor at natural origin", "value": 0.99998, "unit": "unity", "id": { "authority": "EPSG", "code": 8805 } }, { "name": "False easting", "value": 500000, "unit": "metre", "id": { "authority": "EPSG", "code": 8806 } }, { "name": "False northing", "value": 0, "unit": "metre", "id": { "authority": "EPSG", "code": 8807 } } ] }, "coordinate_system": { "subtype": "Cartesian", "axis": [ { "name": "Easting", "abbreviation": "X", "direction": "east", "unit": "metre" }, { "name": "Northing", "abbreviation": "Y", "direction": "north", "unit": "metre" } ] }, "scope": "Engineering survey, topographic mapping.", "area": "United States (USA) - Maine between approximately 69°40'W and 68°25'W. The area is bounded by the following: Beginning at the point determined by the intersection of the Maine State line and the County Line between Aroostook and Somerset Counties, thence northeasterly along the state line to the intersection of the Fort Kent - Frenchville town line, thence southerly along this town line to the intersection with the New Canada Plantation - T17 R5 WELS town line, thence continuing southerly along town lines to the northeast corner of Penobscot County, thence continuing southerly along the Penobscot County line to the intersection of the Woodville - Mattawamkeag town line (being determined by the Penobscot River), thence along the Penobscot River to the Enfield - Lincoln town line, thence southeasterly along the Enfield - Lincoln town line and the Enfield - Lowell town line to the Passadumkeag - Edinburg town line, thence south-southeasterly along town lines to the intersection of the Hancock County line, thence southerly along the county line to the intersection of the Otis - Mariaville town line, thence southerly along the Otis - Mariaville town line to the Ellsworth city line, thence southerly along the Ellsworth city line to the intersection of the Surry - Trenton town line, thence southerly along the easterly town lines of Surry, Blue Hill, Brooklin, Deer Isle, and Stonington to the Knox County line, thence following the Knox County line to the boundary of the State of Maine as determined by Maritime law, thence following the State boundary westerly to the intersection of the Sagadahoc - Lincoln county line, thence northerly along the easterly boundary of the Maine 2000 West Zone, as defined, to the point of beginning.", "bbox": { "south_latitude": 43.75, "west_longitude": -70.03, "north_latitude": 47.47, "east_longitude": -68.33 }, "id": { "authority": "EPSG", "code": 6480 } }
Definition: GeoServer
6480=PROJCS["NAD83(2011) / Maine CS2000 Central",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",43.5],PARAMETER["central_meridian",-69.125],PARAMETER["scale_factor",0.99998],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6480"]]
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=tmerc +lat_0=43.5 +lon_0=-69.125 +k=0.99998 +x_0=500000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"> <Layer srs="+proj=tmerc +lat_0=43.5 +lon_0=-69.125 +k=0.99998 +x_0=500000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 6480, 'EPSG', 6480, '+proj=tmerc +lat_0=43.5 +lon_0=-69.125 +k=0.99998 +x_0=500000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["NAD83(2011) / Maine CS2000 Central",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101],TOWGS84[0,0,0,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",43.5],PARAMETER["central_meridian",-69.125],PARAMETER["scale_factor",0.99998],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6480"]]');