IAU_2015:63530 - Daphnis (2015) - Sphere / Ocentric / North Polar

Attributes

Unit

metre

Scope

None

Remarks

None

Area of use

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

Datum: Daphnis (2015) - Sphere

Coordinate System: cartesian

Projection: North Polar

Geodetic CRS: Daphnis (2015) - Sphere / Ocentric

Export

PROJCRS["Daphnis (2015) - Sphere / Ocentric / North Polar",
    BASEGEOGCRS["Daphnis (2015) - Sphere / Ocentric",
        DATUM["Daphnis (2015) - Sphere",
            ELLIPSOID["Daphnis (2015) - Sphere",3800,0,
                LENGTHUNIT["metre",1]]],
        PRIMEM["Reference Meridian",0,
            ANGLEUNIT["degree",0.0174532925199433]],
        ID["IAU",63500,2015]],
    CONVERSION["North Polar",
        METHOD["Polar Stereographic (variant A)",
            ID["EPSG",9810]],
        PARAMETER["Latitude of natural origin",90,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",east,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",north,
            ORDER[2],
            LENGTHUNIT["metre",1]],
    ID["IAU",63530,2015]]
{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "Daphnis (2015) - Sphere / Ocentric / North Polar",
  "base_crs": {
    "name": "Daphnis (2015) - Sphere / Ocentric",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "Daphnis (2015) - Sphere",
      "ellipsoid": {
        "name": "Daphnis (2015) - Sphere",
        "radius": 3800
      },
      "prime_meridian": {
        "name": "Reference Meridian",
        "longitude": 0
      }
    },
    "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": "IAU",
      "code": 63500,
      "version": 2015
    },
    "remarks": "Use mean radius as sphere radius for interoperability. Source of IAU Coordinate systems: https://doi.org/10.1007/s10569-017-9805-5"
  },
  "conversion": {
    "name": "North Polar",
    "method": {
      "name": "Polar Stereographic (variant A)",
      "id": {
        "authority": "EPSG",
        "code": 9810
      }
    },
    "parameters": [
      {
        "name": "Latitude of natural origin",
        "value": 90,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8801
        }
      },
      {
        "name": "Longitude of natural origin",
        "value": 0,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8802
        }
      },
      {
        "name": "Scale factor at natural origin",
        "value": 1,
        "unit": "unity",
        "id": {
          "authority": "EPSG",
          "code": 8805
        }
      },
      {
        "name": "False easting",
        "value": 0,
        "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": "E",
        "direction": "east",
        "unit": "metre"
      },
      {
        "name": "Northing",
        "abbreviation": "N",
        "direction": "north",
        "unit": "metre"
      }
    ]
  },
  "id": {
    "authority": "IAU",
    "code": 63530,
    "version": 2015
  }
}
{'crs_wkt': 'PROJCRS["Daphnis (2015) - Sphere / Ocentric / North '
            'Polar",BASEGEOGCRS["Daphnis (2015) - Sphere / '
            'Ocentric",DATUM["Daphnis (2015) - Sphere",ELLIPSOID["Daphnis '
            '(2015) - Sphere",3800,0,LENGTHUNIT["metre",1]]],PRIMEM["Reference '
            'Meridian",0,ANGLEUNIT["degree",0.0174532925199433]],ID["IAU",63500,2015]],CONVERSION["North '
            'Polar",METHOD["Polar Stereographic (variant '
            'A)",ID["EPSG",9810]],PARAMETER["Latitude of natural '
            'origin",90,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude '
            'of natural '
            'origin",0,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale '
            'factor at natural '
            'origin",1,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False '
            'easting",0,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False '
            'northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["(E)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["(N)",north,ORDER[2],LENGTHUNIT["metre",1]],ID["IAU",63530,2015]]',
 'false_easting': 0.0,
 'false_northing': 0.0,
 'geographic_crs_name': 'Daphnis (2015) - Sphere / Ocentric',
 'grid_mapping_name': 'polar_stereographic',
 'horizontal_datum_name': 'Daphnis (2015) - Sphere',
 'inverse_flattening': 0.0,
 'latitude_of_projection_origin': 90.0,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Reference Meridian',
 'projected_crs_name': 'Daphnis (2015) - Sphere / Ocentric / North Polar',
 'reference_ellipsoid_name': 'Daphnis (2015) - Sphere',
 'scale_factor_at_projection_origin': 1.0,
 'semi_major_axis': 3800.0,
 'semi_minor_axis': 3800.0,
 'straight_vertical_longitude_from_pole': 0.0}