International Terrestrial Reference Frame 1989

Attributes

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: International Earth Rotation Service (IERS) Technical Note No. 6, April 1991. 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 April 1991. Replaces ITRF88 (code 6647). Replaced by ITRF90 (code 6649).

Area of use: World.

Covered area powered by MapTiler

WGS84 bounds:
179.9 -85.0
-179.9 85.0

Definition: OGC Well Known Text

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DATUM["International_Terrestrial_Reference_Frame_1989",
    SPHEROID["GRS 1980",6378137,298.257222101,
        AUTHORITY["EPSG","7019"]],
    AUTHORITY["EPSG","6648"]]

Definition: OGC Well Known Text 2 (2019)

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DYNAMIC[
    FRAMEEPOCH[1988]],
DATUM["International Terrestrial Reference Frame 1989",
    ELLIPSOID["GRS 1980",6378137,298.257222101,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6648]]

Definition: ESRI Well Known Text

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DATUM["D_ITRF_1989",
    SPHEROID["GRS_1980",6378137.0,298.257222101]]

Definition: JSON

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{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "DynamicGeodeticReferenceFrame",
    "name": "International Terrestrial Reference Frame 1989",
    "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": 6648
    }
}

Definition: GeoServer

6648-datum=DATUM["International_Terrestrial_Reference_Frame_1989",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","6648"]]

EPSG:6648