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{{Infobox Spacecraft
{{Infobox spaceflight
| Name = GSAT-8
| name = GSAT-8
| Image = [[File:Gsat8_img.gif|150px|GSAT-8]]
| image = Gsat8 img.gif
| Caption = GSAT-8
| image_caption = GSAT-8

⚫
| Organisation = [[ISRO]]
| mission_type = [[Communications satellite|Communication]]
| Major_Contractors = [[Indian Space Research Organisation]]
|Bus =
| operator = [[INSAT]]
| Mission_Type = [[Communications satellite|Communication]]
| website =
| Launch = 21 May 2011<br/>03:58 hrs (IST)
| COSPAR_ID = 2011-022A
| Carrier_Rocket = [[Ariane 5|Ariane-5]] VA-202
| SATCAT =
| mission_duration = Planned: 12 years <br /> Elapsed: {{time interval|20 May 2011|show=ymd|sep=,}}
| Launch_Site = Kourou, French Guiana

| Mission_Duration = More Than 12 Years
| Lift - Off Mass = 3093 kg (Mass at Lift – off)
| spacecraft_bus = [[I-3K]]
| Dry Mass = 1426 kg
| manufacturer = [[Indian Space Research Organisation|ISRO]]
| dry_mass = {{convert|1426|kg|lb}}<ref name="GSAT8Brochure">{{cite web|title=GSAT-8 Brochure|url=http://www.isro.org:80/pdf/gsat-8-brochure.pdf|archive-url=https://web.archive.org/web/20130311183311/http://www.isro.org/pdf/gsat-8-brochure.pdf|url-status=dead|archive-date=11 March 2013|access-date=30 November 2017}}</ref>
| Power = 6,242 watts from [[Lithium cell]]
| launch_mass = {{convert|3093|kg|lb}}<ref name="GSAT8Brochure" />
| Batteries = 100 Ah [[Lithium-ion battery]]
| Orbit_regime = [[Geosynchronous orbit|Geosynchronous]]
| power = 6,242&nbsp;watts<ref name="GSAT8Brochure" />

⚫
| orbit_altitude =
| Longitude = 55°E
| launch_date = {{start-date|20 May 2011, 20:38|timezone=yes}}&nbsp;UTC
| Main_Instruments = [[GAGAN]]
| launch_rocket = [[Ariane 5|Ariane 5ECA]] VA202
| Transponders = 24 Ku band transponders
| launch_site = [[Guiana Space Centre|Kourou]] [[ELA-3]]
| NSSDC_ID = 2011-022A
| launch_contractor = [[Arianespace]]
| entered_service =

⚫
| disposal_type =
| deactivated = <!-- {{end-date|[insert date here]}} -->

| orbit_epoch =
| orbit_reference = [[Geocentric orbit|Geocentric]]
| orbit_regime = [[Geostationary orbit|Geostationary]]
| orbit_periapsis =
| orbit_apoapsis =
| orbit_inclination =
| orbit_period =
| orbit_longitude = 55° East
| orbit_slot =
| apsis = gee

| trans_band = 24 [[Ku band]] and 2 in [[L band|L1]] & [[L band|L5]] bands ([[GAGAN]])
| trans_frequency =
| trans_bandwidth =
| trans_capacity =
| trans_coverage =
| trans_TWTA =
| trans_EIRP =
| trans_HPBW =
⚫
| programme = [[GSAT]]
| previous_mission = [[GSAT-5P]]
| next_mission = [[GSAT-12]]
}}
}}

'''GSAT-8''' is communication satellite. It was constructed by the [[Indian Space Research Organisation]], as part of [[INSAT]] system. GSAT-8 was launched on May 21st, 2011 from [[Kourou]], [[French Guiana]]. The rocket, an [[Ariane 5]] was the carrier, marketed by the European [[Arianespace]].
'''GSAT-8''' or '''INSAT-4G''' is communication satellite. It was constructed by the [[Indian Space Research Organisation]], as part of [[INSAT]] system. GSAT-8 was launched on May 21, 2011, from [[Kourou]], [[French Guiana]]. The rocket, an [[Ariane 5]] was the carrier, marketed by the European [[Arianespace]]. First satellite to carry [[GAGAN]] payload followed up by [[GSAT-10]] and in-orbit spare [[GSAT-15]].<ref>{{Cite web|url=http://www.isac.gov.in/navigation/gagan.jsp|title=GAGAN - GPS Aided GEO Augumented Navigation|website=www.isac.gov.in|access-date=2017-11-30}}</ref><ref>{{Cite web|url=https://www.isac.gov.in/communication/html/gsat-8.jsp|title=SALIENT FEATURES OF GSAT-8|website=www.isac.gov.in|access-date=2018-03-17|archive-date=2018-03-18|archive-url=https://web.archive.org/web/20180318054308/https://www.isac.gov.in/communication/html/gsat-8.jsp|url-status=dead}}</ref>


==Launch==
==Launch==
Prior to launch, the spacecraft was transported from [[India]] to [[Cayenne – Rochambeau Airport]] in [[French Guiana]] by an [[Antonov An-124]] cargo aircraft. The success of the launch is said to have made up for the previous lose of two satellites on the indigenous [[GSLV]] rocket.
Prior to launch, the spacecraft was transported from India to [[Cayenne – Rochambeau Airport]] in [[French Guiana]] by an [[Antonov An-124]] cargo aircraft. The success of the launch is said to have made up for the previous loss of two satellites on the indigenous [[GSLV]] rocket.<ref>{{cite news|url=http://articles.timesofindia.indiatimes.com/2011-05-21/india/29568098_1_gsat-8-communication-satellite-indian-national-satellite-system|archive-url=https://web.archive.org/web/20110909174938/http://articles.timesofindia.indiatimes.com/2011-05-21/india/29568098_1_gsat-8-communication-satellite-indian-national-satellite-system|url-status=dead|archive-date=2011-09-09|work=[[The Times of India]]|title=GSAT-8 communication satellite launched successfully, India's advanced communication satellite|access-date=2013-03-13}}</ref><ref>{{cite news|url=http://www.thehindu.com/sci-tech/science/article2036181.ece|title=Ariane 5 launches GSAT-8 from French Guiana, India's advanced communication satellite|work=The Hindu | location=Chennai, India|first=Vaiju|last=Naravane|date=21 May 2011}}</ref> GSAT-8 was co-located with [[INSAT-3E]] at 55°E.

<ref>{{cite web|url=http://timesofindia.indiatimes.com/india/GSAT-8-communication-satellite-launched-successfully/articleshow/8479050.cms|title=GSAT-8 communication satellite launched successfully
, India’s advanced communication satellite,|publisher=Indian Space Research Organisation}}</ref><ref>{{cite web|url=http://www.thehindu.com/sci-tech/science/article2036181.ece|title=Ariane 5 launches GSAT-8 from French Guiana, India’s advanced communication satellite|publisher=The Hindu}}</ref>


==References==
==References==
{{Reflist}}
{{Reflist}}


{{Portal|Spaceflight}}
⚫
{{Indian space program}}
{{GSAT Satellites}}
{{INSAT Satellites}}
⚫
{{Indian spacecraft}}
{{Orbital launches in 2011}}
{{Orbital launches in 2011}}


[[Category:2011 in spaceflight]]
[[Category:GSAT satellites]]
[[Category:Indian space program]]
[[Category:INSAT satellites]]
[[Category:Spacecraft launched in 2011]]

[[Category:2011 in India]]
[[lv:GSAT-8]]
[[Category:Communications satellites in geostationary orbit]]
[[Category:Ariane commercial payloads]]

Latest revision as of 11:06, 28 February 2023

GSAT-8
GSAT-8
Mission typeCommunication
OperatorINSAT
COSPAR ID2011-022A Edit this at Wikidata
SATCAT no.37605Edit this on Wikidata
Mission durationPlanned: 12 years
Elapsed: 13 years, 3 months, 23 days
Spacecraft properties
BusI-3K
ManufacturerISRO
Launch mass3,093 kilograms (6,819 lb)[1]
Dry mass1,426 kilograms (3,144 lb)[1]
Power6,242 watts[1]
Start of mission
Launch date20 May 2011, 20:38 (2011-05-20UTC20:38Z) UTC
RocketAriane 5ECA VA202
Launch siteKourou ELA-3
ContractorArianespace
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Longitude55° East
Transponders
Band24 Ku band and 2 in L1 & L5 bands (GAGAN)
← GSAT-5P
GSAT-12 →

GSAT-8 or INSAT-4G is communication satellite. It was constructed by the Indian Space Research Organisation, as part of INSAT system. GSAT-8 was launched on May 21, 2011, from Kourou, French Guiana. The rocket, an Ariane 5 was the carrier, marketed by the European Arianespace. First satellite to carry GAGAN payload followed up by GSAT-10 and in-orbit spare GSAT-15.[2][3]

Launch

[edit]

Prior to launch, the spacecraft was transported from India to Cayenne – Rochambeau Airport in French Guiana by an Antonov An-124 cargo aircraft. The success of the launch is said to have made up for the previous loss of two satellites on the indigenous GSLV rocket.[4][5] GSAT-8 was co-located with INSAT-3E at 55°E.

References

[edit]
  1. ^ a b c "GSAT-8 Brochure" (PDF). Archived from the original (PDF) on 11 March 2013. Retrieved 30 November 2017.
  2. ^ "GAGAN - GPS Aided GEO Augumented Navigation". www.isac.gov.in. Retrieved 2017-11-30.
  3. ^ "SALIENT FEATURES OF GSAT-8". www.isac.gov.in. Archived from the original on 2018-03-18. Retrieved 2018-03-17.
  4. ^ "GSAT-8 communication satellite launched successfully, India's advanced communication satellite". The Times of India. Archived from the original on 2011-09-09. Retrieved 2013-03-13.
  5. ^ Naravane, Vaiju (21 May 2011). "Ariane 5 launches GSAT-8 from French Guiana, India's advanced communication satellite". The Hindu. Chennai, India.
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