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Planned joint Indo-French weather satellite From Wikipedia, the free encyclopedia
TRISHNA or (Thermal infraRed Imaging Satellite for High-resolution Natural resource Assessment)[3][4] is a planned cooperative joint satellite mission between the Indian Space Research Organisation (ISRO) of India and Centre national d'études spatiales (CNES) of France.
Mission type | Weather |
---|---|
Operator | ISRO/CNES |
Mission duration | ~ 5 years with possible 2 year extension [1] |
Spacecraft properties | |
Bus | IMS-1K |
Manufacturer | ISRO |
Expedition | |
Began | UTC |
Start of mission | |
Launch date | 2026 [2] |
Rocket | Polar Satellite Launch Vehicle |
Launch site | Satish Dhawan Space Centre |
Orbital parameters | |
Regime | Polar sun-synchronous |
Eccentricity | 0 |
Altitude | 761 km |
Inclination | ~90° |
Repeat interval | 8 days |
The Mission was announced during bilateral talks between India and France in July 2023.[5][6] On 19 March 2024, TRISHNA received approval from both space agencies and a project team has been formed to finish developing the mission concept.[4][3] It is currently planned for a launch in 2026, aboard a PSLV rocket from Satish Dhawan Space Centre.[7][2] This marks the next collaboration in space between India and France following the Megha-Tropiques and SARAL satellites.
A Workshop is planned to be conducted by ISRO and CNES in November 2024 about the mission goals.[2]
Trishna aims to have a resolution of approximately 57 metres and a re-vist interval of about three days.[3][4] It would have two instruments, namely Visible and Near Infrared (VNIR)/Short Wave InfraRed (SWIR) sensor (VSWIR) and Thermal InfraRed instrument (TIR).[7]
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