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Thai Earth observation satellite launched in 2023
THEOS-2
Mission typeEarth Observation
OperatorGISTDA
COSPAR ID2023-155A 👁 Edit this at Wikidata
SATCAT no.58016👁 Edit this on Wikidata
Spacecraft properties
ManufacturerAirbus Defence and Space
Start of mission
Launch date9 October 2023
RocketVega
Launch siteGuiana Space Centre
ContractorArianespace
Orbital parameters
Reference systemGeocentric
RegimeSun-synchronous, LEO
Eccentricity≈0

THEOS-2 (Thailand Earth Observation System-2), is a Thai Earth observation satellite. The satellite would be capable of observing Earth's surface with a resolution of up to 50cm, and covering about 74,000 square kilometers per day.[1] THEOS-2 was launched by a Vega rocket from Guiana Space Centre in French Guiana on 9 October 2023.[2][3][4]

The THEOS-2A small satellite, lost in the PSLV-C62 launch accident in 2026,[5] was planned to be part of the GISTDA's Development Survey Satellite System Project (โครงการระบบดาวเทียมสำรวจเพื่อการพัฒนา) together with THEOS-2.[6][7] Following THEOS-2, Thailand intends to build the THEOS-3 satellite completely domestically.[8]

References

[edit]
  1. ^ "Thailand to launch its second Earth satellite next week". Thai Public Broadcasting Service. September 28, 2023. Retrieved 2023-10-06.
  2. ^ เปิดนาทีประวัติศาสตร์ ปล่อยดาวเทียมสัญชาติไทย "THEOS-2" ขึ้นสู่อวกาศแล้ว
  3. ^ ปล่อยแล้ว 'ดาวเทียมธีออส 2' ขึ้นสู่วงโคจร ชมสด ภารกิจครั้งประวัติศาสตร์
  4. ^ "The launch of Arianespace Flight VV23 is a smallsat deployment success". Satnews. Retrieved 9 October 2023.
  5. ^ "GISTDA: THEOS-2A launch fails after PSLV technical issue". nationthailand. 2026-01-13. Retrieved 2026-01-13.
  6. ^ "Earth observation satellite update 2022". GISTDA. Retrieved 2023-10-06.
  7. ^ "ไทยส่ง 'THEOS-2' ไปอวกาศ7ต.ค.นี้-เป็นดาวเทียมสำรวจโลกรายละเอียดสูง" (in Thai). Civilian Security Organization. 27 September 2023. Retrieved 2023-10-06.
  8. ^ "2 satellites under Thailand's Theos-2 project ready to take off". The Nation. August 13, 2023. Retrieved 2023-10-06.

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