| Name of Satellite, Alternate Names | THEOS (Thailand Earth Observation System) |
| Country of Operator/Owner | Thailand |
| Operator/Owner | Geo-Informatics and Space Technology Development Agency (GISTDA) |
| Users | Government |
| Purpose | Earth Observation |
| Class of Orbit | LEO |
| Type of Orbit | Sun-Synchronous |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 824 |
| Apogee (km) | 826 |
| Eccentricity | 0.000138985406532314 |
| Inclination (degrees) | 98.7 |
| Period (minutes) | 101.4 |
| Launch Mass (kg.) | 750 |
| Dry Mass (kg.) | 670 |
| Power (watts) | 840 |
| Date of Launch | 01-10-2008 |
| Expected Lifetime | 5 yrs. |
| Contractor | EADS Astrium |
| Country of Contractor | France |
| Launch Site | Dombarovskiy Launch Facility |
| Launch Vehicle | Dnepr |
| COSPAR Number | 2008-049A |
| NORAD Number | 33396 |
| Comments | Panchromatic imager with 2M resolution; applications in cartography, land use, agricultural monitoring, forestry management, coastal zone monitoring and flood risk management. |