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GSAT-17 Deployed.png
Mission typeCommunication
OperatorIndian National Satellite System
COSPAR ID2017-040B
SATCAT no.42815
Mission durationPlanned: 15 years
Elapsed: 4 years, 1 month, 25 days
Spacecraft properties
ManufacturerISRO Satellite Centre
Space Applications Centre
Launch mass3,477 kg (7,665 lb)[1][2]
Dry mass1,480 kg (3,263 lb)[3]
Power6,200 watts[3]
Start of mission
Launch date28 June 2017, 21:15 (2017-06-28UTC21:15) UTC[1][2]
RocketAriane 5 ECA, VA238[1]
Launch siteGuiana Space Centre, ELA-3[4]
Orbital parameters
Reference systemGeocentric
Longitude93.5° E[2]
Band24 × C band
2 × lower C band
12 × upper C band
2 × C-up/S-down
1 × S-up/C-down
1 × DRT & SAR
Coverage areaIndia, Middle East, Southeast Asia[5] and Antarctica[6]
← GSAT-19

GSAT-17 is an Indian communications satellite. Built by ISRO and operated by INSAT, it carries 24 C-band, 2 lower C-band, 12 upper C-band, 2 CxS (C-band up/S-band down), and 1 SxC (S-band up/C-band down) transponders. It additionally carries a dedicated transponder for data relay (DRT) and search-and-rescue (SAR) services.[7] At the time of launch, GSAT-17 was the heaviest satellite built by ISRO.[8]

The satellite was launched on 28 June 2017 aboard an Ariane 5 ECA rocket from the Guiana Space Centre in Kourou, French Guiana.[1][2][9] GSAT-17 is the 21st satellite from ISRO to be launched by Arianespace.[10]


  1. ^ a b c d Bergin, Chris (28 June 2017). "Ariane 5 conducts dual payload launch for three providers". Retrieved 29 June 2017.
  2. ^ a b c d Clark, Stephen (28 June 2017). "Ariane 5 rocket tallies 80th straight success with on-target satellite launch". Spaceflight Now. Retrieved 29 June 2017.
  3. ^ a b "GSAT-17 brochure" (PDF). Indian Space Research Organisation. Retrieved 12 August 2017.
  4. ^ a b "Annual Report 2015-2016" (PDF). Indian Space Research Organisation. December 2015. p. 28. Archived from the original (PDF) on 2016-07-05.
  5. ^ "Satellite Details - GSAT 17". Retrieved 29 January 2018.
  6. ^ "Indias latest communication satellite GSAT-17 launched". India Today. Press Trust of India. 29 June 2017. Retrieved 8 February 2018.
  7. ^ "Salient features of GSAT-17". ISRO Satellite Centre. Retrieved 29 June 2017.
  8. ^ "Heaviest satellite of ISRO launched". The Hindu. 30 June 2017. Retrieved 14 March 2018.
  9. ^ "Communication satellite GSAT-17 launched from French Guiana". The Economic Times. Press Trust of India. 29 June 2017. Retrieved 29 June 2017.
  10. ^ "Ariane Flight VA238". Arianespace. Retrieved 29 January 2018.
This page was last edited on 17 January 2021, at 00:42
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