Objectives and Applications
Monitoring, land use, disasters, cartography and mapping. THEOS-1 reached End of Mission (EOM) on 30 November 2025. Although the mission has ended and the satellite is no longer providing operational services, GISTDA can still communicate with the satellite for research purposes.
Full Name
Thailand Earth Observation System
aka THAICHOTE, THEOS-1
Mission Status
Mission complete
Mission Agencies
Launch Date
01 Oct 2008
Mission Links
EOL Date
30 Nov 2025
Orbit Type
Sun-synchronous
Orbit Period
101 minutes
Orbit Sense
Descending
Orbit Inclination
98.7 deg
Orbit Altitude
822 km
Orbit Longitude
Orbit LST
10:00:00
Repeat Cycle
26 days
NORAD Catalog #
International Designator