EPSG:10831

Georgia Geodetic Datum

Attributes

Unit: degree (supplier to define representation)

Geodetic CRS: Georgia Geodetic Datum

Datum: Georgia Geodetic Datum

Ellipsoid: GRS 1980

Prime meridian: Greenwich

Data source: EPSG

Information source: European Union ENPI Programme for Georgia "Methodology and Parameters for Datum Transformation between the New and Old Reference Systems", National Agency of Public Registry, Ministry of Justice of Georgia, November 14th, 2013; https://www.napr.gov.ge/

Revision date: 2025-07-15

Scope: Geodesy, cadastre, engineering survey, topographic mapping.

Area of use: Georgia - onshore and offshore.

Coordinate system: Ellipsoidal 2D CS. Axes: latitude, longitude. Orientations: north, east. UoM: degree

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SimpleMap

Center coordinates
42.85 42.32

WGS84 bounds:
38.97 41.04
46.72 43.59

Georgia - onshore and offshore.
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Definition: OGC Well Known Text

GEOGCS["Georgia Geodetic Datum",
    DATUM["Georgia_Geodetic_Datum",
        SPHEROID["GRS 1980",6378137,298.257222101,
            AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","1404"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["degree",0.0174532925199433,
        AUTHORITY["EPSG","9122"]],
    AUTHORITY["EPSG","10831"]]

Definition: OGC Well Known Text 2 (2019)

GEOGCRS["Georgia Geodetic Datum",
    DATUM["Georgia Geodetic Datum",
        ELLIPSOID["GRS 1980",6378137,298.257222101,
            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["Geodesy, cadastre, engineering survey, topographic mapping."],
        AREA["Georgia - onshore and offshore."],
        BBOX[41.04,38.97,43.59,46.72]],
    ID["EPSG",10831]]

Definition: ESRI Well Known Text

GEOGCS["GCS_Georgia_Geodetic_Datum",
    DATUM["D_Georgia_Geodetic_Datum",
        SPHEROID["GRS_1980",6378137.0,298.257222101]],
    PRIMEM["Greenwich",0.0],
    UNIT["Degree",0.0174532925199433]]

Definition: PROJ.4

+proj=longlat +ellps=GRS80 +no_defs +type=crs

Definition: JavaScript (Proj4js) 

proj4.defs("EPSG:10831","+proj=longlat +ellps=GRS80 +no_defs +type=crs");

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeographicCRS",
    "name": "Georgia Geodetic Datum",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Georgia Geodetic Datum",
        "ellipsoid": {
            "name": "GRS 1980",
            "semi_major_axis": 6378137,
            "inverse_flattening": 298.257222101
        }
    },
    "coordinate_system": {
        "subtype": "ellipsoidal",
        "axis": [
            {
                "name": "Geodetic latitude",
                "abbreviation": "Lat",
                "direction": "north",
                "unit": "degree"
            },
            {
                "name": "Geodetic longitude",
                "abbreviation": "Lon",
                "direction": "east",
                "unit": "degree"
            }
        ]
    },
    "scope": "Geodesy, cadastre, engineering survey, topographic mapping.",
    "area": "Georgia - onshore and offshore.",
    "bbox": {
        "south_latitude": 41.04,
        "west_longitude": 38.97,
        "north_latitude": 43.59,
        "east_longitude": 46.72
    },
    "id": {
        "authority": "EPSG",
        "code": 10831
    }
}

Definition: GeoServer

10831=GEOGCS["Georgia Geodetic Datum",DATUM["Georgia_Geodetic_Datum",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1404"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10831"]]

Definition: MapServer - MAPfile

PROJECTION
	"proj=longlat"
	"ellps=GRS80"
	"no_defs"
	"type=crs"
END

Definition: Mapnik

<?xml version="1.0" encoding="utf-8"?>
<Map srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs">
	<Layer srs="+proj=longlat +ellps=GRS80 +no_defs +type=crs">
	</Layer>
</Map>

Definition: SQL (PostGIS)

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 10831, 'EPSG', 10831, '+proj=longlat +ellps=GRS80 +no_defs +type=crs', 'GEOGCS["Georgia Geodetic Datum",DATUM["Georgia_Geodetic_Datum",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1404"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","10831"]]');