EPSG:6650

International Terrestrial Reference Frame 1991

Attributes

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: International Earth Rotation Service (IERS) Technical Note No. 12, October 1992. Also IGN Paris http://lareg.ensg.ign.fr/ITRF

Revision date: 2020-08-31

Scope: Geodesy.

Remarks: Realization of the IERS Terrestrial Reference System (ITRS) from October 1992. Replaces ITRF90 (code 6649). Replaced by ITRF92 (code 6651).

Area of use: World.

Covered area powered by MapTiler MapTiler logo
SimpleMap

WGS84 bounds:
179.9 -85.0
-179.9 85.0

World.
MapTiler banner

Definition: OGC Well Known Text

DATUM["International_Terrestrial_Reference_Frame_1991",
    SPHEROID["GRS 1980",6378137,298.257222101,
        AUTHORITY["EPSG","7019"]],
    AUTHORITY["EPSG","6650"]]

Definition: OGC Well Known Text 2 (2019)

DYNAMIC[
    FRAMEEPOCH[1988]],
DATUM["International Terrestrial Reference Frame 1991",
    ELLIPSOID["GRS 1980",6378137,298.257222101,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6650]]

Definition: ESRI Well Known Text

DATUM["D_ITRF_1991",
    SPHEROID["GRS_1980",6378137.0,298.257222101]]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "DynamicGeodeticReferenceFrame",
    "name": "International Terrestrial Reference Frame 1991",
    "frame_reference_epoch": 1988,
    "ellipsoid": {
        "name": "GRS 1980",
        "semi_major_axis": 6378137,
        "inverse_flattening": 298.257222101
    },
    "scope": "Geodesy.",
    "area": "World.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": -180,
        "north_latitude": 90,
        "east_longitude": 180
    },
    "id": {
        "authority": "EPSG",
        "code": 6650
    }
}

Definition: GeoServer

6650-datum=DATUM["International_Terrestrial_Reference_Frame_1991",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6650"]]