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GSAT-29

From Wikipedia, the free encyclopedia
GSAT-29
Render of GSAT-29
Mission typeCommunication
OperatorISRO
COSPAR ID2018-089A Edit this at Wikidata
SATCAT no.43698Edit this on Wikidata
Mission durationPlanned: 10 years[1]
Elapsed: 6 years, 1 month, 5 days
Spacecraft properties
BusI-3K
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]
Launch siteSatish Dhawan SLP
ContractorISRO
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Slot55°E
Transponders
BandKa, Ku, Q band, V band, and optical communication payload[2]
← GSAT-6A
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$21 million).[11]

Payloads

[edit]

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]

  • Q band and V band payload: experimental microwave communication payloads
  • Optical Communication Technology (OCT) payload: experimental payload for optical communication.[13]
  • GEO imaging High Resolution Camera (GHRC): for high resolution imaging from geosynchronous orbit. It has 55 meter resolution and can image in six VNIR spectral bands at ~0.6 sec/frame.[14][15]

Launch

[edit]
LVM3 D2 lifting off from launchpad, carrying GSAT-29

The satellite was launched on 14 November 2018 through the second developmental flight of LVM3,[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
achieved 		Orbital period References
Apogee Perigee
1 15 November 2018
08:34		 4875 sec 35,897 km (22,305 mi) 7,642 km (4,749 mi) 8.9° 13 hr [18]
2 16 November 2018
10:14		 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
04:25		 207 sec 35,875 km (22,292 mi) 35,307 km (21,939 mi) n/a 24hr [20]

References

[edit]
  1. ^ a b "GSAT-29". ISRO.gov.in. Archived from the original on 12 November 2018. 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. ^ "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. ^ d. s, Madhumathi (12 November 2018). "Cyclone clouds ISRO's GSAT-29 launch plan". The Hindu.
  7. ^ "Isro to launch communication satellite specifically for J&K and NE on Nov 14". The Times of India. 11 November 2018.
  8. ^ "'India masters rocket science': Here's why the new ISRO launch is special". 15 November 2018.
  9. ^ "ISRO successfully launches its heaviest satellite GSAT-29 from Sriharikota". 14 November 2018.
  10. ^ a b The third and final orbit raising operation of GSAT-29 Archived 2018-11-26 at the Wayback Machine 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". www.isro.gov.in. Archived from the original on 2018-11-12. Retrieved 2018-11-12.
  13. ^ "SAC Courier, VOl. 43, Issue 03, July-October 2018" (PDF). SAC.gov.in. 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. 4th ISSE National Conference 2019.
  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". The Times of India. 8 June 2018.
  17. ^ "GSLV MkIII-D2 successfully launches GSAT-29". Archived from the original on 2018-11-14. Retrieved 2018-11-14.
  18. ^ "GSLV Mk III-D2 / GSAT-29 Mission: The first orbit raising operation..." Indian Space Research Organisation. 15 November 2018. Archived from the original on 21 November 2018. Retrieved 15 November 2018.
  19. ^ "The second orbit raising operation..." Indian Space Research Organisation. 16 November 2018. Archived from the original on 18 November 2018. Retrieved 16 November 2018.
  20. ^ "The third orbit raising operation..." Indian Space Research Organisation. 17 November 2018. Archived from the original on 21 November 2018. Retrieved 17 November 2018.
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