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THEOS (Thailand Earth Observation System) is Thailand's remote sensing craft that was launched by a Russian Dnepr rocket from the Yasney space base in southern Russia at 06:37 UT on 01 October 2008. (It was delayed by many months due to a dispute with Kazakhstan which was unwilling to allow Dnepr rocket launches from Baikonur.) The 750 kg satellite carries a panchromatic imager with a resolution of 2 m and a multispectral (four bands in 450-900 nm range) imager with a resolution of 15 m to monitor the topography and vegetation.

Alternate Names

  • 33396
  • Thailand Earth Observation System (THEOS)

Facts in Brief

Launch Date: 2008-10-01
Launch Vehicle: Dnepr
Launch Site: Yasni, Russia
Mass: 750 kg

Funding Agency

  • Unknown (Thailand)


  • Earth Science

Additional Information

Questions and comments about this spacecraft can be directed to: Coordinated Request and User Support Office

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