EPSG:7071

GEOCCS["RGTAAF07",
    DATUM["Reseau_Geodesique_des_Terres_Australes_et_Antarctiques_Francaises_2007",
        SPHEROID["GRS 1980",6378137,298.257222101,
            AUTHORITY["EPSG","7019"]],
        AUTHORITY["EPSG","1113"]],
    PRIMEM["Greenwich",0,
        AUTHORITY["EPSG","8901"]],
    UNIT["metre",1,
        AUTHORITY["EPSG","9001"]],
    AXIS["Geocentric X",OTHER],
    AXIS["Geocentric Y",OTHER],
    AXIS["Geocentric Z",NORTH],
    AUTHORITY["EPSG","7071"]]

GEODCRS["RGTAAF07",
    DATUM["Reseau Geodesique des Terres Australes et Antarctiques Francaises 2007",
        ELLIPSOID["GRS 1980",6378137,298.257222101,
            LENGTHUNIT["metre",1]]],
    PRIMEM["Greenwich",0,
        ANGLEUNIT["degree",0.0174532925199433]],
    CS[Cartesian,3],
        AXIS["(X)",geocentricX,
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(Y)",geocentricY,
            ORDER[2],
            LENGTHUNIT["metre",1]],
        AXIS["(Z)",geocentricZ,
            ORDER[3],
            LENGTHUNIT["metre",1]],
    USAGE[
        SCOPE["Geodesy."],
        AREA["French Southern Territories - onshore and offshore: Amsterdam and St Paul, Crozet, Europa and Kerguelen. Antarctica - Adelie Land coastal area."],
        BBOX[-67.13,37.98,-20.91,142]],
    ID["EPSG",7071]]

proj4.defs("EPSG:7071","+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs");

{
    "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
    "type": "GeodeticCRS",
    "name": "RGTAAF07",
    "datum": {
        "type": "GeodeticReferenceFrame",
        "name": "Reseau Geodesique des Terres Australes et Antarctiques Francaises 2007",
        "ellipsoid": {
            "name": "GRS 1980",
            "semi_major_axis": 6378137,
            "inverse_flattening": 298.257222101
        }
    },
    "coordinate_system": {
        "subtype": "Cartesian",
        "axis": [
            {
                "name": "Geocentric X",
                "abbreviation": "X",
                "direction": "geocentricX",
                "unit": "metre"
            },
            {
                "name": "Geocentric Y",
                "abbreviation": "Y",
                "direction": "geocentricY",
                "unit": "metre"
            },
            {
                "name": "Geocentric Z",
                "abbreviation": "Z",
                "direction": "geocentricZ",
                "unit": "metre"
            }
        ]
    },
    "scope": "Geodesy.",
    "area": "French Southern Territories - onshore and offshore: Amsterdam and St Paul, Crozet, Europa and Kerguelen. Antarctica - Adelie Land coastal area.",
    "bbox": {
        "south_latitude": -67.13,
        "west_longitude": 37.98,
        "north_latitude": -20.91,
        "east_longitude": 142
    },
    "id": {
        "authority": "EPSG",
        "code": 7071
    }
}

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

INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 7071, 'EPSG', 7071, '+proj=geocent +ellps=GRS80 +units=m +no_defs +type=crs', 'GEOCCS["RGTAAF07",DATUM["Reseau_Geodesique_des_Terres_Australes_et_Antarctiques_Francaises_2007",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1113"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Geocentric X",OTHER],AXIS["Geocentric Y",OTHER],AXIS["Geocentric Z",NORTH],AUTHORITY["EPSG","7071"]]');