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Satellite:
THEOS-1
Satellite details
Acronym
THEOS-1
Full name
Thailand Earth Observation System - 1
Satellite Description
1st flight unit of the THEOS programme.
Main mission: high-resolution land observation.
Mass at launch
750 kg
Dry mass
670 kg
Power
840 W
Data access link
no link provided
Data access information
Data available from GISTA.
Orbit
Sunsynchronous orbit
Altitude
822 km
ECT
10:00 desc
Space agency
GISTDA
Status
Operational
Details on Status (as
available)
Loss of Inertial Reference Unit-A. Switched to unit-B.
Launch
01 Oct 2008
EOL
≥2025
Last update:
2021-04-08
Associated satellite programme and related satellites
Note: red tag: no longer operational , green tag: operational ,
blue tag : future
Satellite Payload
All known Instruments flying on
THEOS-1
Acronym
Full name
MS
Multispectral imager
PAN
Panchromatic Imager
Show instrument status and calibration
Satellite payload
All known instruments flying on
THEOS-1
Instrument
Full name
Start date
EOL date
Status
NRT data
Instrument landing page
Comments
MS
Multispectral imager
Jan 2009 *
≥2025 *
Active
Evolution of Absolute Radiometric Gain due to instrument aging, but still fully functioning.
PAN
Panchromatic Imager
Jan 2009 *
≥2025 *
Active
* The information in this field is estimated or assumed