Objectives and Applications
Korea's geostationary meteorological satellite series. The meteorological and ocean missions ended in March 2020 and March 2021, respectively. The communication mission is still operational.
Full Name
Communications, Ocean, and Meteorological Satellit
aka Cheollian
Mission Status
Mission complete
Mission Agencies
Launch Date
26 Jun 2010
Mission Links
EOL Date
01 Apr 2021
Orbit Type
Geostationary
Orbit Period
Orbit Sense
N/A
Orbit Inclination
Orbit Altitude
36000 km
Orbit Longitude
128.2 deg
NORAD Catalog #s
International Designators
GOCI - Geostationary Ocean Colour Imager |
| MI - Meteorological Imager |
| Category | Parameter | Instrument(s) |
| Atmosphere | Aerosols | MI |
| Atmospheric Humidity Fields | MI |
| Atmospheric Winds | MI |
| Cloud type, amount and cloud top temperature | MI |
| Liquid water and precipitation rate | MI |
| Radiation budget | MI |
| Land | Albedo and reflectance | MI |
| Surface temperature (land) | MI |
| Multi-purpose imagery (land) | MI |
| Ocean | Ocean colour/biology | GOCI |
| Surface temperature (ocean) | MI |
| Multi-purpose imagery (ocean) | MI |
| Snow & Ice | Snow cover, edge and depth | MI |
| Sea ice cover, edge and thickness | MI |