TRISHNA

TRISHNA
Mission type	Weather
Operator	ISRO/CNES
Spacecraft properties
Bus	IMS-1K
Manufacturer	ISRO
Expedition
Began	UTC
Start of mission
Launch date	~2025
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

TRISHNA or (Thermal infraRed Imaging Satellite for High-resolution Natural resource Assessment)[1][2] 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.

History

The Mission was announced during bilateral talks between India and France in July 2023.[3][4] On 19 March 2024, TRISHNA received approval from both space agencies and a project team has been formed to finish developing the mission concept.[2][1] It is currently planned for a launch in 2025, possibly aboard a PSLV rocket from Satish Dhawan Space Centre.[5] This marks the next collaboration in space between India and France following the Megha-Tropiques and SARAL satellites.

Instruments

Trishna aims to have a resolution of approximately 57 metres and a re-vist interval of about three days.[1][2] It would have two instruments, namely Visible and Near Infrared (VNIR)/Short Wave InfraRed (SWIR) sensor (VSWIR) and Thermal InfraRed instrument (TIR).[5]

References

"Nisar only in 2nd half of 2024; Trishna gets nod". The Times of India. 2024-03-19. ISSN 0971-8257. Retrieved 2024-03-23.
"NASA-ISRO SAR (NISAR) Unlikely To Launch Before The End Of May, TRISHNA Gets Space Commission's Nod: Report". TimesNow. 2024-03-19. Retrieved 2024-03-23.
"India, France agree on setting up strategic dialogue on space issues, work on Trishna satellite". The Times of India. ISSN 0971-8257. Retrieved 2024-03-23.
Team, ANI (July 14, 2013). "PM Modi calls to enhance India-France cooperation in Space-based Maritime Domain". ANI news. Retrieved 23 March 2024.
"TRISHNA (Thermal infraRed Imaging Satellite for High-resolution Natural resource Assessment) - eoPortal". www.eoportal.org. Retrieved 2024-03-23.

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[:1-1] "Nisar only in 2nd half of 2024; Trishna gets nod". The Times of India. 2024-03-19. ISSN 0971-8257. Retrieved 2024-03-23.

[:0-2] "NASA-ISRO SAR (NISAR) Unlikely To Launch Before The End Of May, TRISHNA Gets Space Commission's Nod: Report". TimesNow. 2024-03-19. Retrieved 2024-03-23.

[3] "India, France agree on setting up strategic dialogue on space issues, work on Trishna satellite". The Times of India. ISSN 0971-8257. Retrieved 2024-03-23.

[4] Team, ANI (July 14, 2013). "PM Modi calls to enhance India-France cooperation in Space-based Maritime Domain". ANI news. Retrieved 23 March 2024.

[:2-5] "TRISHNA (Thermal infraRed Imaging Satellite for High-resolution Natural resource Assessment) - eoPortal". www.eoportal.org. Retrieved 2024-03-23.