EPSG:5171

EGM96 geoid

Attributes

Data source: EPSG

Information source: Lemoine, F. G. et al (July 1998). “The Development of the Joint NASA GSFC and NIMA Geopotential Model EGM96”. NASA Goddard Space Flight Center. Greenbelt, Maryland, 20771 USA, downloadable from https://ntrs.nasa.gov/citations/19980218814

Revision date: 2025-06-28

Scope: Geodesy.

Remarks: Replaces EGM84 geoid (datum code 5203). Replaced by EGM2008 geoid (datum code 1027).

Area of use: World.

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SimpleMap

WGS84 bounds:
179.9 -85.0
-179.9 85.0

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Definition: OGC Well Known Text

VERT_DATUM["EGM96 geoid",2005,
    AUTHORITY["EPSG","5171"]]

Definition: OGC Well Known Text 2 (2019)

VDATUM["EGM96 geoid",
    ID["EPSG",5171]]

Definition: ESRI Well Known Text

VDATUM["EGM96_Geoid"]

Definition: JSON

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "VerticalReferenceFrame",
    "name": "EGM96 geoid",
    "scope": "Geodesy.",
    "area": "World.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": -180,
        "north_latitude": 90,
        "east_longitude": 180
    },
    "id": {
        "authority": "EPSG",
        "code": 5171
    }
}

Definition: GeoServer

5171-datum=VERT_DATUM["EGM96 geoid",2005,AUTHORITY["EPSG","5171"]]