EPSG:4618 — SAD69

GEOGCRS[
    "SAD69",
    DATUM[
        "South American Datum 1969",
        ELLIPSOID[
            "GRS 1967 Modified",
            6378160,
            298.25,
            LENGTHUNIT["metre",1,ID["EPSG",9001]],
            ID["EPSG",7050]
        ],
        ID["EPSG",6618]
    ],
    CS[ellipsoidal,2,ID["EPSG",6422]],
    AXIS["Geodetic latitude (Lat)",north],
    AXIS["Geodetic longitude (Lon)",east],
    ANGLEUNIT["degree",0.0174532925199433,ID["EPSG",9102]],
    ID["EPSG",4618]
]

+proj=longlat +ellps=aust_SA +towgs84=-57,1,-41,0,0,0,0 +no_defs +type=crs

proj4.defs("EPSG:4618", "+proj=longlat +ellps=aust_SA +towgs84=-57,1,-41,0,0,0,0 +no_defs +type=crs");

{
  "type": "CoordinateReferenceSystem",
  "code": 4618,
  "name": "SAD69",
  "kind": "geographic 2D",
  "area": "South America - SAD69 by country",
  "unit": "degree (supplier to define representation)",
  "bbox": [
    -55.96,
    -91.72,
    12.52,
    -25.28
  ],
  "proj4": "+proj=longlat +ellps=aust_SA +towgs84=-57,1,-41,0,0,0,0 +no_defs +type=crs"
}

INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext)
VALUES (4618, 'EPSG', 4618, '+proj=longlat +ellps=aust_SA +towgs84=-57,1,-41,0,0,0,0 +no_defs +type=crs', 'GEOGCS["SAD69",DATUM["South_American_Datum_1969",SPHEROID["GRS 1967 Modified",6378160,298.25],TOWGS84[-57,1,-41,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4618"]]');

PROJECTION
  "+proj=longlat"
  "+ellps=aust_SA"
  "+towgs84=-57,1,-41,0,0,0,0"
  "+no_defs"
  "+type=crs"
END

4618=GEOGCS["SAD69",DATUM["South_American_Datum_1969",SPHEROID["GRS 1967 Modified",6378160,298.25],TOWGS84[-57,1,-41,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4618"]]