EPSG:6176

DATUM["Australian_Antarctic_Datum_1998",
    SPHEROID["GRS 1980",6378137,298.257222101,
        AUTHORITY["EPSG","7019"]],
    AUTHORITY["EPSG","6176"]]

DATUM["Australian Antarctic Datum 1998",
    ELLIPSOID["GRS 1980",6378137,298.257222101,
        LENGTHUNIT["metre",1]],
    ID["EPSG",6176]]

DATUM["D_Australian_Antarctic_1998",
    SPHEROID["GRS_1980",6378137.0,298.257222101]]

{
    "$schema": "https://proj.org/schemas/v0.5/projjson.schema.json",
    "type": "GeodeticReferenceFrame",
    "name": "Australian Antarctic Datum 1998",
    "ellipsoid": {
        "name": "GRS 1980",
        "semi_major_axis": 6378137,
        "inverse_flattening": 298.257222101
    },
    "scope": "Topographic mapping.",
    "area": "Antarctica between 45°E and 136°E and between 142°E and 160°E - Australian sector.",
    "bbox": {
        "south_latitude": -90,
        "west_longitude": 45,
        "north_latitude": -60,
        "east_longitude": 160
    },
    "id": {
        "authority": "EPSG",
        "code": 6176
    }
}