EPSG:6686

Marco Geocentrico Nacional de Referencia

Attributes

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: Instituto Geografico Agustin Codazzi (IGAC) publication "Aspectos prácticos de la adopción del Marco Geocéntrico Nacional de Referencia MAGNA-SIRGAS como datum oficial de Colombia". http://www.igac.gov.co/MAGNAWEB/DocumentosMAGNA.htm

Revision date: 2018-05-29

Scope: Geodesy.

Remarks: Densification of SIRGAS 1995 within Colombia. Replaces Bogota 1975 (datum code 6218).

Area of use: Colombia - onshore and offshore. Includes San Andres y Providencia, Malpelo Islands, Roncador Bank, Serrana Bank and Serranilla Bank.

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Definition: OGC Well Known Text

DATUM["Marco_Geocentrico_Nacional_de_Referencia",
    SPHEROID["GRS 1980",6378137,298.257222101,
        AUTHORITY["EPSG","7019"]],
    AUTHORITY["EPSG","6686"]]

Definition: OGC Well Known Text 2 (2019)

DATUM["Marco Geocentrico Nacional de Referencia",
    ELLIPSOID["GRS 1980",6378137,298.257222101,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6686]]

Definition: ESRI Well Known Text

DATUM["D_MAGNA",
    SPHEROID["GRS_1980",6378137.0,298.257222101]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Marco Geocentrico Nacional de Referencia",
    "ellipsoid": {
        "name": "GRS 1980",
        "semi_major_axis": 6378137,
        "inverse_flattening": 298.257222101
    },
    "scope": "Geodesy.",
    "area": "Colombia - onshore and offshore. Includes San Andres y Providencia, Malpelo Islands, Roncador Bank, Serrana Bank and Serranilla Bank.",
    "bbox": {
        "south_latitude": -4.23,
        "west_longitude": -84.77,
        "north_latitude": 15.51,
        "east_longitude": -66.87
    },
    "id": {
        "authority": "EPSG",
        "code": 6686
    }
}

Definition: GeoServer

6686-datum=DATUM["Marco_Geocentrico_Nacional_de_Referencia",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6686"]]