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| mission_type = [[Communications satellite|Communication]]
| mission_type = [[Communications satellite|Communication]]
| operator = [[Arab Satellite Communications Organization|Arabsat]] → [[ISRO]]
| operator = [[Arab Satellite Communications Organization|Arabsat]] → [[INSAT]]
| website =
| website =
| COSPAR_ID = 1992-010B
| COSPAR_ID = 1992-010B
| SATCAT =
| SATCAT = 21894
| mission_duration = 7 years (planned)<br/>12¾ years (achieved)
| mission_duration = 7 years (planned)<br/>12¾ years (achieved)


| spacecraft_bus = [[Spacebus 100]]
| spacecraft_bus = [[Spacebus 100]]
| manufacturer = [[Aérospatiale]]
| manufacturer = [[Aérospatiale]]/[[Messerschmitt-Bölkow-Blohm|MBB]]<ref name="GSP"/>
| dry_mass =
| dry_mass =
| launch_mass = {{convert|1360|kg}}
| launch_mass = {{convert|1360|kg}}
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| trans_HPBW =
| trans_HPBW =
}}
}}
'''INSAT-2DT''', previously '''Arabsat-1C''' and also known as '''INSAT-2R''', was a [[Saudi Arabia]]n and subsequently [[India]]n [[communications satellite]] which was operated initially by [[Arab Satellite Communications Organization|Arabsat]], and then by the [[Indian Space Research Organisation]].
'''INSAT-2DT''', previously '''Arabsat-1C''' and also known as '''INSAT-2R''', was a Saudi Arabian and subsequently Indian [[communications satellite]] which was operated initially by [[Arab Satellite Communications Organization|Arabsat]], and then by the [[Indian National Satellite System]].


==Launch and Arabsat service==
==Launch and Arabsat service==
Launched in 1992 as Arabsat-1C, it was operated at 31° East [[longitude]] in [[geostationary orbit]],<ref name="EA">{{cite web|url=http://www.astronautix.com/project/arabsat.htm|title=Arabsat|last=Wade|first=Mark|publisher=Encyclopedia Astronautica|accessdate=2009-07-05|deadurl=yes|archiveurl=https://web.archive.org/web/20090331213805/http://www.astronautix.com/project/arabsat.htm|archivedate=2009-03-31|df=}}</ref> from where it was used to provide communication services to the [[Arab States]]. It was constructed by [[Aérospatiale]], based on the [[Spacebus 100]] [[satellite bus]], and carried two NATO E/F-band (IEEE S band) and 25 NATO G/H-Band (IEEE C band) [[transponder]]s. At launch, it had a mass of {{convert|1170|kg}}, and an expected operational lifespan of seven years.<ref name="GSP">{{cite web|url=http://space.skyrocket.de/doc_sdat/arabsat-1a.htm|title=Arabsat 1A, 1B, 1C / Insat 2DT|last=Krebs|first=Gunter|publisher=Gunter's Space Page|accessdate=2009-07-05}}</ref>
Launched in 1992 as Arabsat-1C, it was operated at 31° East [[longitude]] in [[geostationary orbit]],<ref name="EA">{{cite web |url=http://www.astronautix.com/project/arabsat.htm |title=Arabsat |last=Wade |first=Mark |publisher=Encyclopedia Astronautica |access-date=2009-07-05 |url-status=dead |archive-url=https://web.archive.org/web/20090331213805/http://www.astronautix.com/project/arabsat.htm |archive-date=2009-03-31 }}</ref> from where it was used to provide communication services to the [[Arab States]]. It was constructed by [[Aérospatiale]], based on the [[Spacebus 100]] [[satellite bus]], and carried two NATO E/F-band (IEEE S band) and 25 NATO G/H-Band (IEEE C band) [[transponder]]s. At launch, it had a mass of {{convert|1170|kg}}, and an expected operational lifespan of seven years.<ref name="GSP">{{cite web |url=http://space.skyrocket.de/doc_sdat/arabsat-1a.htm |title=Arabsat 1A, 1B, 1C / Insat 2DT |last=Krebs |first=Gunter |publisher=Gunter's Space Page |access-date=2009-07-05}}</ref>


It was launched by [[Arianespace]] using an [[Ariane 4]] rocket in the 44L configuration, flying from [[ELA-2]] at the [[Guiana Space Centre]] in [[Kourou]]. The launch took place at 22:58:10 UTC on 26 February 1992.<ref name="JSR-LL">{{cite web|url=http://planet4589.org/space/log/launchlog.txt|title=Launch Log|last=McDowell|first=Jonathan|publisher=Jonathan's Space Page|accessdate=2009-07-05}}</ref> It was the final [[Spacebus 100]] satellite to be launched.
It was launched by [[Arianespace]] using an [[Ariane 4]] rocket in the 44L configuration, flying from [[ELA-2]] at the [[Guiana Space Centre]] in [[Kourou]]. The launch took place at 22:58:10 UTC on 26 February 1992.<ref name="JSR-LL">{{cite web |url=http://planet4589.org/space/log/launchlog.txt |title=Launch Log |last=McDowell |first=Jonathan |publisher=Jonathan's Space Page |access-date=2009-07-05}}</ref> It was the final [[Spacebus 100]] satellite to be launched.


==ISRO operations==
==Indian operations==
In November 1997, Arabsat-1C was sold to ISRO as INSAT-2DT.<ref name="TSE-1C">{{cite web|url=http://www.tbs-satellite.com/tse/online/sat_arabsat_1c.html|title=Arabsat 1C|publisher=TSE|accessdate=2009-07-05}}</ref> In December, it was moved to a new slot at 55°E longitude, where it replaced the [[INSAT-2D]] satellite which had failed in orbit.<ref name="TSE-2D">{{cite web|url=http://www.tbs-satellite.com/tse/online/sat_insat_2d.html|title=INSAT-2D|publisher=TSE|accessdate=2009-07-05}}</ref> It remained at 55°E until August 2003, when it was moved to 85.2°E, arriving in November.<ref name="TSE-2DT">{{cite web|url=http://www.tbs-satellite.com/tse/online/sat_insat_2r.html|title=INSAT-2R|publisher=TSE|accessdate=2009-07-05}}</ref> By the time of its departure from 55°E, its orbital [[inclination]] had increased somewhat.
In November 1997, Arabsat-1C was sold to India as INSAT-2DT.<ref name="TSE-1C">{{cite web |url=http://www.tbs-satellite.com/tse/online/sat_arabsat_1c.html |title=Arabsat 1C |publisher=TSE |access-date=2009-07-05}}</ref> In December, it was moved to a new slot at 55°E longitude, where it replaced the [[INSAT-2D]] satellite which had failed in orbit.<ref name="TSE-2D">{{cite web |url=http://www.tbs-satellite.com/tse/online/sat_insat_2d.html |title=INSAT-2D |publisher=TSE |access-date=2009-07-05}}</ref> It remained at 55°E until August 2003, when it was moved to 85.2°E, arriving in November.<ref name="TSE-2DT">{{cite web |url=http://www.tbs-satellite.com/tse/online/sat_insat_2r.html |title=INSAT-2R |publisher=TSE |access-date=2009-07-05}}</ref> By the time of its departure from 55°E, its orbital [[inclination]] had increased somewhat.


INSAT-2DT remained at 85.2°E until October 2004, when it was retired from service and placed into a [[graveyard orbit]].<ref name="TSE-2DT"/>
INSAT-2DT remained at 85.2°E until October 2004, when it was retired from service and placed into a [[graveyard orbit]].<ref name="TSE-2DT"/>
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{{INSAT Satellites}}
{{INSAT Satellites}}
{{Indian spacecraft}}
{{Orbital launches in 1992}}
{{Orbital launches in 1992}}


⚫
[[Category:INSAT satellites]]
[[Category:Spacecraft launched in 1992]]
[[Category:Spacecraft launched in 1992]]
[[Category:Derelict satellites orbiting Earth]]
[[Category:Derelict satellites orbiting Earth]]
⚫
[[Category:Communications satellites of India]]
[[Category:1992 in India]]
[[Category:1992 in India]]
[[Category:Satellites using the Spacebus bus]]
[[Category:Satellites using the Spacebus bus]]

Latest revision as of 16:12, 20 August 2022

Arabsat-1C → INSAT-2DT
Mission typeCommunication
OperatorArabsat → INSAT
COSPAR ID1992-010B Edit this at Wikidata
SATCAT no.21894
Mission duration7 years (planned)
12¾ years (achieved)
Spacecraft properties
BusSpacebus 100
ManufacturerAérospatiale/MBB[1]
Launch mass1,360 kilograms (3,000 lb)
Start of mission
Launch date26 February 1992, 23:58:10 (1992-02-26UTC23:58:10Z) UTC
RocketAriane 44L
Launch siteKourou ELA-2
ContractorArianespace
End of mission
DisposalDecommissioned
DeactivatedOctober 2004 (2004-11)
Orbital parameters
Reference systemGeocentric
RegimeGeostationary
Longitude31° East
55° East
82.5° East
Period24 hours
Transponders
Band2 E/F-band
25 G/H-Band

INSAT-2DT, previously Arabsat-1C and also known as INSAT-2R, was a Saudi Arabian and subsequently Indian communications satellite which was operated initially by Arabsat, and then by the Indian National Satellite System.

Launch and Arabsat service

[edit]

Launched in 1992 as Arabsat-1C, it was operated at 31° East longitude in geostationary orbit,[2] from where it was used to provide communication services to the Arab States. It was constructed by Aérospatiale, based on the Spacebus 100 satellite bus, and carried two NATO E/F-band (IEEE S band) and 25 NATO G/H-Band (IEEE C band) transponders. At launch, it had a mass of 1,170 kilograms (2,580 lb), and an expected operational lifespan of seven years.[1]

It was launched by Arianespace using an Ariane 4 rocket in the 44L configuration, flying from ELA-2 at the Guiana Space Centre in Kourou. The launch took place at 22:58:10 UTC on 26 February 1992.[3] It was the final Spacebus 100 satellite to be launched.

Indian operations

[edit]

In November 1997, Arabsat-1C was sold to India as INSAT-2DT.[4] In December, it was moved to a new slot at 55°E longitude, where it replaced the INSAT-2D satellite which had failed in orbit.[5] It remained at 55°E until August 2003, when it was moved to 85.2°E, arriving in November.[6] By the time of its departure from 55°E, its orbital inclination had increased somewhat.

INSAT-2DT remained at 85.2°E until October 2004, when it was retired from service and placed into a graveyard orbit.[6]

See also

[edit]

References

[edit]
  1. ^ a b Krebs, Gunter. "Arabsat 1A, 1B, 1C / Insat 2DT". Gunter's Space Page. Retrieved 2009-07-05.
  2. ^ Wade, Mark. "Arabsat". Encyclopedia Astronautica. Archived from the original on 2009-03-31. Retrieved 2009-07-05.
  3. ^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 2009-07-05.
  4. ^ "Arabsat 1C". TSE. Retrieved 2009-07-05.
  5. ^ "INSAT-2D". TSE. Retrieved 2009-07-05.
  6. ^ a b "INSAT-2R". TSE. Retrieved 2009-07-05.
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