EPSG:7881 - St. Helena Tritan

Attributes


Unit

degree

Scope

Horizontal component of 3D system.

Remarks

None

Area of use

St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.

Data Source: EPSG v11.016 2024-08-31

Datum: St. Helena Tritan

Coordinate System: ellipsoidal

Projection: Undefined

Geodetic CRS: Undefined

Export

GEOGCRS["St. Helena Tritan",
    DATUM["St. Helena Tritan",
        ELLIPSOID["WGS 84",6378137,298.257223563,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[ellipsoidal,2],
        AXIS["geodetic latitude (Lat)",north,
            ORDER[1],
            ANGLEUNIT["degree",0.0174532925199433]],
        AXIS["geodetic longitude (Lon)",east,
            ORDER[2],
            ANGLEUNIT["degree",0.0174532925199433]],
    USAGE[
        SCOPE["Horizontal component of 3D system."],
        AREA["St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore."],
        BBOX[-16.08,-5.85,-15.85,-5.59]],
    ID["EPSG",7881]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "GeographicCRS",
  "name": "St. Helena Tritan",
  "datum": {
    "type": "GeodeticReferenceFrame",
    "name": "St. Helena Tritan",
    "ellipsoid": {
      "name": "WGS 84",
      "semi_major_axis": 6378137,
      "inverse_flattening": 298.257223563
    }
  },
  "coordinate_system": {
    "subtype": "ellipsoidal",
    "axis": [
      {
        "name": "Geodetic latitude",
        "abbreviation": "Lat",
        "direction": "north",
        "unit": "degree"
      },
      {
        "name": "Geodetic longitude",
        "abbreviation": "Lon",
        "direction": "east",
        "unit": "degree"
      }
    ]
  },
  "scope": "Horizontal component of 3D system.",
  "area": "St Helena, Ascension and Tristan da Cunha - St Helena Island - onshore.",
  "bbox": {
    "south_latitude": -16.08,
    "west_longitude": -5.85,
    "north_latitude": -15.85,
    "east_longitude": -5.59
  },
  "id": {
    "authority": "EPSG",
    "code": 7881
  }
}
{'crs_wkt': 'GEOGCRS["St. Helena Tritan",DATUM["St. Helena '
            'Tritan",ELLIPSOID["WGS '
            '84",6378137,298.257223563,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["geodetic '
            'latitude '
            '(Lat)",north,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["geodetic '
            'longitude '
            '(Lon)",east,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]],USAGE[SCOPE["Horizontal '
            'component of 3D system."],AREA["St Helena, Ascension and Tristan '
            'da Cunha - St Helena Island - '
            'onshore."],BBOX[-16.08,-5.85,-15.85,-5.59]],ID["EPSG",7881]]',
 'geographic_crs_name': 'St. Helena Tritan',
 'grid_mapping_name': 'latitude_longitude',
 'horizontal_datum_name': 'St. Helena Tritan',
 'inverse_flattening': 298.257223563,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'reference_ellipsoid_name': 'WGS 84',
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314245179}