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Render of GSAT-29 communication satellite in deployed configuration.png
Render of GSAT-29
Mission typeCommunication
COSPAR ID2018-089A
SATCAT no.43698Edit this on Wikidata
Mission durationPlanned: 10 years[1]
Elapsed: 2 years, 9 months, 8 days
Spacecraft properties
ManufacturerISRO Satellite Centre
Space Applications Centre
Launch mass3,423 kg (7,546 lb)[1][2]
Powersolar arrays, batteries
Start of mission
Launch date14 November 2018
11:38 UTC [3]
RocketGSLV Mk III[4]
Launch siteSatish Dhawan SLP
Orbital parameters
Reference systemGeocentric
BandKa, Ku, Q band, V band, and optical communication payload[2]
GSAT-11 →

GSAT-29 is a high-throughput communication satellite developed by the Indian Space Research Organisation (ISRO).[4][5] The mission aims at providing high-speed bandwidth to Village Resource Centres (VRC) in rural areas.[6] The two Ku and Ka operational payloads will provide communication services to Jammu and Kashmir and Northeast India under Digital India programme.[7] At the time of launch GSAT-29 was the heaviest satellite, weighing 3,423 kg (7,546 lb),[8] that was placed in orbit by an Indian launch vehicle.[9][10] Approved cost of GSAT-29 is 175.63 crore (US$25 million).[11]

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  • ISRO's GSLV Mk III successfully pushes GSAT-29 higher into orbit, अब तक का सबसे वजनदार सेटेलाइट
  • GSAT-11 - India’s largest and heaviest communication satellite
  • GSLV Mk III-D2 Onboard Camera View
  • Day Today # 35 - ISRO's double success - GSLV MkIII + GSAT29 - Space Research
  • ISRO set to launch GSAT-29 satellite



Apart from its main communication payload in Ka/Ku bands, GSAT-29 hosts few experimental payloads to mature their technology for use in future spacecraft.[12]


GSLV Mk III D2 lifting off from launchpad, carrying GSAT-29
GSLV Mk III D2 lifting off from launchpad, carrying GSAT-29

The satellite was launched on 14 November 2018 through the second developmental flight of GSLV Mk III,[16] that placed the GSAT-29 satellite into its planned geosynchronous transfer orbit (GTO) over the equator.[17] It joins the Indian National Satellite System (INSAT) fleet in geostationary orbit.[10]

Op # Date/
Time (UTC)
LAM burn time Height achieved Inclination
Orbital period References
Apogee Perigee
1 15 November 2018
4875 sec 35,897 km (22,305 mi) 7,642 km (4,749 mi) 8.9° 13 hr [18]
2 16 November 2018
4988 sec 35,837 km (22,268 mi) 32,825 km (20,397 mi) 0.31° 22 hr, 70 min [19]
3 17 November 2018
207 sec 35,875 km (22,292 mi) 35,307 km (21,939 mi) n/a 24hr [20]


  1. ^ a b "GSAT-29". Retrieved 11 November 2018.
  2. ^ a b GSAT-29. Gunter Dirk Krebs, Gunter's Space Page. Accessed: 9 November 2018.
  3. ^ William Graham (2018-11-14). "Indian GSLV rocket launches GSAT-29".
  4. ^ a b "GSLV-MkIII-D2/GSAT-29 Mission (Official)". Archived from the original on 2018-06-12. Retrieved 2017-11-05.
  5. ^ ISRO’s GSAT-29 launch in October. The Economic Times, India. 20 September 2018.
  6. ^ "Cyclone clouds ISRO's GSAT-29 launch plan".
  7. ^ "Isro to launch communication satellite specifically for J&K and NE on Nov 14".
  8. ^ "'India masters rocket science': Here's why the new ISRO launch is special".
  9. ^ "ISRO successfully launches its heaviest satellite GSAT-29 from Sriharikota".
  10. ^ a b The third and final orbit raising operation of GSAT-29 ISRO 17 November 2018
  11. ^ "Government of India, Department of Space, Lok Sabha: Starred Question No. 232 to be answered on Wednesday, August 04, 2021" (PDF). 4 August 2021. Archived (PDF) from the original on 4 August 2021. Retrieved 4 August 2021.
  12. ^ "GSAT-29 - ISRO". Retrieved 2018-11-12.
  13. ^ "SAC Courier, VOl. 43, Issue 03, July-October 2018" (PDF). 10 January 2019. p. 5. Archived from the original (PDF) on 10 January 2019. Retrieved 10 January 2019.
  14. ^ Pandya, Mehul; Pradhan, Rohit (2019-09-26). "A study of rocket exhaust plume in the lower atmosphere using GHRC instrument onboard geostationary satellite". Cite journal requires |journal= (help)
  15. ^ "ISRO Director Kailasavadivoo Sivan Press Meet Live" (video) (in Hindi). 14 November 2018. Event occurs at 8 minute 35 seconds.
  16. ^ "Isro gets nod for semi-cryogenic engine, will boost GSLV's lift capability by 1 tonne".
  17. ^ "GSLV MkIII-D2 successfully launches GSAT-29".
  18. ^ "GSLV Mk III-D2 / GSAT-29 Mission: The first orbit raising operation..." Indian Space Research Organisation. 15 November 2018. Retrieved 15 November 2018.
  19. ^ "The second orbit raising operation..." Indian Space Research Organisation. 16 November 2018. Retrieved 16 November 2018.
  20. ^ "The third orbit raising operation..." Indian Space Research Organisation. 17 November 2018. Retrieved 17 November 2018.
This page was last edited on 4 August 2021, at 21:47
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