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GSAT-31 is a high-throughput telecommunication satellite developed by the Indian Space Research Organisation (ISRO).[2]

GSAT-31 render 02.png
GSAT-31 in deployed configuration
Mission typeCommunication
COSPAR ID2019-007B
SATCAT no.44035Edit this on Wikidata
Mission durationPlanned: 15 years
Elapsed: 10 months, 3 days
Spacecraft properties
ManufacturerISRO Satellite Centre
Space Applications Centre
Launch mass2,536 kg (5,591 lb)
Powersolar arrays, batteries
Start of mission
Launch date6 February 2019
RocketAriance 5 VCA
Launch siteKourou ELA-3
Orbital parameters
Reference systemGeocentric
48°E (Feb to Sept 2019)


The satellite main communication payload is Ku band and act as a replacement of the aging INSAT-4CR[2]. The satellite will provide advance tele-communication to Indian subcontinent. It will be used for VSAT networks, television uplinks, digital signage new gathering, DTH services and other communication systems, this is the 40th communication satellite launched by ISRO and the 22nd launch of ISRO satellite by Arianespace.[3][4][5]


The satellite was launched through the 103rd flight of Ariance 5 VCA on 5th February at 21:01 UTC, the vehicle also deployed Hellas-Sat-4/SaudiGeoSat-1. [6]


On July 2019, GSAT-31 maneuvered to lower its altitude and drifted eastward to reach new slot at 82.95°E on 31 August 2019.


  1. ^ "Historical satellite position data for GSAT-31". Retrieved 12 September 2019.
  2. ^ a b "GSAT 31 Brochure". Retrieved 5 February 2019.
  3. ^ "India's 40th Communication Satellite, GSAT-31, Launched". Retrieved 6 February 2019.
  4. ^ "For its first mission of 2019, Arianespace to launch two telecommunications satellites with Ariane 5". Arianespace. Retrieved 2019-09-12.
  5. ^ "Arianespace VA247 launchkit" (PDF).
  6. ^ Bergin, Chris (5 February 2019). "Ariane 5 launches Hellas-Sat-4/SaudiGeoSat-1 and GSAT 31". NASASpaceFlight. Retrieved 6 February 2019.