EPSG:8427 Hong Kong Geodetic CS
Geographic system in latitude and longitude, in use: China - Hong Kong. Datum, ellipsoid and transformation to WGS 84 below.
| Code | EPSG:8427 |
|---|---|
| Name | Hong Kong Geodetic CS |
| Type | Geographic system |
| Area of use |
China - Hong Kong China - Hong Kong - onshore and offshore. |
| Bounds | W 113,76° · S 22,13° · E 114,51° · N 22,58° |
| Countries | China |
| Datum | Hong Kong Geodetic |
| Ellipsoid | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Unit | degree (Lat north, Lon east) |
| Transformation to WGS 84 | Hong Kong Geodetic CS to WGS 84 (1) (EPSG:8439) — accuracy 1 m |
| Scope | Horizontal component of 3D system. |
proj4 definition
+proj=longlat +ellps=GRS80 +towgs84=0,0,0 +no_defsPaste it into QGIS, proj4js, PostGIS (spatial_ref_sys) or GDAL. +towgs84 carries the EPSG transformation to WGS 84; the official code stays EPSG:8427.
WKT (ESRI format, the .prj content)
GEOGCS["Hong_Kong_Geodetic_CS",DATUM["Hong_Kong_Geodetic",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Other systems — China
- EPSG:4788New Beijing / 3-degree Gauss-Kruger CM 93E
- EPSG:4789New Beijing / 3-degree Gauss-Kruger CM 96E
- EPSG:4790New Beijing / 3-degree Gauss-Kruger CM 99E
- EPSG:4791New Beijing / 3-degree Gauss-Kruger CM 102E
- EPSG:4792New Beijing / 3-degree Gauss-Kruger CM 105E
- EPSG:4793New Beijing / 3-degree Gauss-Kruger CM 108E
- EPSG:4794New Beijing / 3-degree Gauss-Kruger CM 111E
- EPSG:4795New Beijing / 3-degree Gauss-Kruger CM 114E
- EPSG:4796New Beijing / 3-degree Gauss-Kruger CM 117E
- EPSG:4797New Beijing / 3-degree Gauss-Kruger CM 120E
- EPSG:4798New Beijing / 3-degree Gauss-Kruger CM 123E
- EPSG:4799New Beijing / 3-degree Gauss-Kruger CM 126E
- EPSG:4800New Beijing / 3-degree Gauss-Kruger CM 129E
- EPSG:4812New Beijing / 3-degree Gauss-Kruger CM 132E
- EPSG:4822New Beijing / 3-degree Gauss-Kruger CM 135E
- EPSG:8428Macao 1920
- EPSG:8431Macao 2008
- EPSG:8433Macao 1920 / Macao Grid
Source: EPSG registry v11.022 (IOGP), through the PROJ database. Always check a code on epsg.org before contractual work.