GSAT-29
{{Short description|Indian communication satellite}}{{Infobox spaceflight
| name = GSAT-29
| image = File:Render of GSAT-29 communication satellite in deployed configuration.png
| image_caption = Render of GSAT-29
| mission_type = Communication
| operator = ISRO
| website =
| COSPAR_ID =
| SATCAT =
| mission_duration = Planned: 10 years{{cite web |title=GSAT-29 |url=https://www.isro.gov.in/Spacecraft/gsat-29 |website=ISRO.gov.in |access-date=11 November 2018 |archive-date=12 November 2018 |archive-url=https://web.archive.org/web/20181112021250/https://www.isro.gov.in/Spacecraft/gsat-29 |url-status=dead }}
Elapsed: {{time interval|14 November 2018|show=ymd|sep=,}}
| spacecraft_bus = I-3K
| manufacturer = ISRO Satellite Centre
Space Applications Centre
| dry_mass =
| launch_mass = {{cvt|3423|kg|lb}}[https://space.skyrocket.de/doc_sdat/gsat-29.htm GSAT-29]. Gunter Dirk Krebs, Gunter's Space Page. Accessed: 9 November 2018.
| power = solar arrays, batteries
| launch_date = 14 November 2018
| launch_rocket =
| launch_site = Satish Dhawan SLP
| launch_contractor = ISRO
| orbit_epoch =
| orbit_reference = Geocentric
| orbit_regime = Geostationary
| orbit_periapsis =
| orbit_apoapsis =
| orbit_inclination =
| orbit_period =
| orbit_longitude =
| orbit_slot = 55°E
| apsis = gee
| trans_band = Ka, Ku, Q band, V band, and optical communication payload
| trans_frequency =
| trans_bandwidth =
| trans_capacity =
| trans_coverage =
| trans_TWTA =
| trans_EIRP =
| trans_HPBW =
| programme = GSAT
| previous_mission = GSAT-6A
| next_mission = GSAT-11
}}
GSAT-29 is a high-throughput communication satellite developed by the Indian Space Research Organisation (ISRO).{{cite web| url=https://www.isro.gov.in/gslv-mkiii-d2-gsat-29-mission| title=GSLV-MkIII-D2/GSAT-29 Mission (Official)| access-date=2017-11-05| archive-url=https://web.archive.org/web/20180612140156/https://www.isro.gov.in/gslv-mkiii-d2-gsat-29-mission| archive-date=2018-06-12| url-status=dead}}[https://economictimes.indiatimes.com/news/science/isros-gsat-29-launch-in-october/articleshow/65883503.cms ISRO’s GSAT-29 launch in October]. The Economic Times, India. 20 September 2018. The mission aims at providing high-speed bandwidth to Village Resource Centres (VRC) in rural areas.{{cite news|url=https://www.thehindu.com/sci-tech/cyclone-clouds-isros-gsat-29-launch-plan/article25473500.ece|title=Cyclone clouds ISRO's GSAT-29 launch plan|newspaper=The Hindu |date=12 November 2018 |last1=d. s |first1=Madhumathi }} The two Ku and Ka operational payloads will provide communication services to Jammu and Kashmir and Northeast India under Digital India programme.{{cite news|url=https://timesofindia.indiatimes.com/india/isro-to-launch-communication-satellite-specifically-for-jk-and-ne-on-nov-14/articleshow/66580405.cms|title=Isro to launch communication satellite specifically for J&K and NE on Nov 14|newspaper=The Times of India |date=11 November 2018 }} At the time of launch GSAT-29 was the heaviest satellite, weighing {{cvt|3423|kg|lb}},{{cite web|url=https://www.hindustantimes.com/india-news/india-masters-rocket-science-with-isro-sucessfully-launching-gsat-29-satellite/story-m72QQBzx7fxEYLyyoMRgPI.html|title='India masters rocket science': Here's why the new ISRO launch is special|date=15 November 2018 }} that was placed in orbit by an Indian launch vehicle.{{cite web|url=https://economictimes.indiatimes.com/news/science/isro-successfully-launches-its-heaviest-satellite-gsat-29-from-sriharikota/videoshow/66621463.cms|title=ISRO successfully launches its heaviest satellite GSAT-29 from Sriharikota|date=14 November 2018 }}[https://www.isro.gov.in/update/17-nov-2018/third-and-final-orbit-raising-operation-of-gsat-29-satellite-has-been The third and final orbit raising operation of GSAT-29] {{Webarchive|url=https://web.archive.org/web/20181126142112/https://www.isro.gov.in/update/17-nov-2018/third-and-final-orbit-raising-operation-of-gsat-29-satellite-has-been |date=2018-11-26 }} ISRO 17 November 2018 Approved cost of GSAT-29 is {{INR convert|175.63|c}}.{{Cite web|date=4 August 2021|title=Government of India, Department of Space, Lok Sabha: Starred Question No. 232 to be answered on Wednesday, August 04, 2021|url=http://164.100.24.220/loksabhaquestions/annex/176/AS232.pdf|url-status=live|archive-url=https://web.archive.org/web/20210804214253/http://164.100.24.220/loksabhaquestions/annex/176/AS232.pdf|archive-date=4 August 2021|access-date=4 August 2021}}
Payloads
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.{{Cite web|url=https://www.isro.gov.in/Spacecraft/gsat-29|title=GSAT-29 - ISRO|website=www.isro.gov.in|language=en|access-date=2018-11-12|archive-date=2018-11-12|archive-url=https://web.archive.org/web/20181112021250/https://www.isro.gov.in/Spacecraft/gsat-29|url-status=dead}}
- Q band and V band payload: experimental microwave communication payloads
- Optical Communication Technology (OCT) payload: experimental payload for optical communication.{{Cite web|url=https://www.sac.gov.in/SACSITE/SAC%20Courier/July_Oct_2018.pdf|title=SAC Courier, VOl. 43, Issue 03, July-October 2018|date=10 January 2019|website=SAC.gov.in|page=5|archive-url=https://web.archive.org/web/20190110062450/https://www.sac.gov.in/SACSITE/SAC%20Courier/July_Oct_2018.pdf|archive-date=10 January 2019|access-date=10 January 2019}}
- 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.{{Cite conference|conference=4th ISSE National Conference 2019|last1=Pandya|first1=Mehul|last2=Pradhan|first2=Rohit|date=2019-09-26|title=A study of rocket exhaust plume in the lower atmosphere using GHRC instrument onboard geostationary satellite|url=https://www.researchgate.net/publication/336412752}}{{Cite AV media|url=https://www.youtube.com/watch?v=cgoPc2lgyKo|date=14 November 2018|title="ISRO Director Kailasavadivoo Sivan Press Meet Live"|type=video|language=hi|time=8 minute 35 seconds}}
Launch
The satellite was launched on 14 November 2018 through the second developmental flight of LVM3,{{cite news|url=https://timesofindia.indiatimes.com/india/isro-gets-nod-for-semi-cryogenic-engine-will-boost-gslvs-lift-capability-by-1-tonne/articleshow/64499802.cms|title=Isro gets nod for semi-cryogenic engine, will boost GSLV's lift capability by 1 tonne|newspaper=The Times of India |date=8 June 2018 }} that placed the GSAT-29 satellite into its planned geosynchronous transfer orbit (GTO) over the equator.{{cite web|url=https://www.isro.gov.in/update/14-nov-2018/gslv-mkiii-d2-successfully-launches-gsat-29|title=GSLV MkIII-D2 successfully launches GSAT-29|access-date=2018-11-14|archive-date=2018-11-14|archive-url=https://web.archive.org/web/20181114224155/https://www.isro.gov.in/update/14-nov-2018/gslv-mkiii-d2-successfully-launches-gsat-29|url-status=dead}} It joins the Indian National Satellite System (INSAT) fleet in geostationary orbit.
References
{{reflist}}
{{GSAT Satellites}}
{{Indian spacecraft}}
{{Orbital launches in 2018}}
Category:Communications satellites in geostationary orbit