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Title: Gsat-10  
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Subject: 2012 in spaceflight, GSAT-15, Indian Space Research Organisation, I-3K, GSAT-9
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Mission type Communication
COSPAR ID 2012-051B
Mission duration 15 years (Planned)
Spacecraft properties
Bus I-3K
Manufacturer ISRO Satellite Centre
Space Applications Centre
Launch mass 3,435 kilograms (7,573 lb)
Start of mission
Launch date 29 September 2012 (2012-09-29)
Rocket Ariane 5ECA
Launch site Guiana Space Centre ELA-3
Contractor Arianespace
Orbital parameters
Reference system Geocentric
Regime Geostationary
Band 12
12 C-band
6 Lower Extended C-band
Bandwidth 36 megahertz

GSAT-10 is an Indian communication satellite which was launched by Ariane-5ECA carrier rocket in September 2012. It has 12 KU Band, 12 C Band and 6 lower extended c band transponders, and included a navigation payload to augment GAGAN capacity.[1] Following its launch and on-orbit testing, it was placed in Geosynchronous orbit at 83.0° East, from where it will provide communication services in India.


  • 12 high power KU-band transponders employing 140 W TWTA.
  • 12 C Band Transponders employing 32 W TWTA.
  • 6 extended C-Band Transponders each having a bandwidth of 36 MHz employing 32 W TWTA.
  • GAGAN navigation payload operating in L1 and L5 bands.


GSAT-10, with a design life of 15 years was operational by November 2012 and will augment telecommunication, Direct-To-Home and radio navigation services.At 3,400 kg at lift-off, it is the heaviest built by Bangalore-headquartered Indian Space Research Organisation. It was ISRO's 101st space mission.Arianespace's heavy lifting Ariane-5 ECA rocket launched the satellite about 30 minutes after the blast off from the European launch pad in South America at 2.48 am, prior to which it injected European co-passenger ASTRA 2F into orbit. GSAT-10 carries 30 transponders (12 Ku-band, 12 C-band and six Extended C-Band), which will provide vital augmentation to INSAT/GSAT transponder capacity. The GAGAN payload will provide improved accuracy of GPS signals (of better than seven metres[2] which will be used by Airports Authority of India for civil aviation requirements. This is the second satellite in INSAT/GSAT constellation with GAGAN payload after GSAT-8, which was launched in May 2011.


GSAT-10 is the second satellite in INSAT/GSAT constellation with GAGAN payload after GSAT-8, launched in May 2011.The satellite was successfully launched on 29 September 2012 at 2:48 am (IST) on board Ariane-5 rocket from Europe's spaceport in French Guiana. [3]


The satellite and launch fee cost the agency Rs.750 crores. [4]

See also


  1. ^ "GSAT-10". Retrieved 2012-04-12. 
  2. ^ "All set for launch of heaviest Indian satellite GSAT-10 tomorrow". Economic Times. Retrieved 2013-02-01. 
  3. ^ "India's heavsets satellite GSAT-10 launched successfully". Retrieved 2012-09-30. 
  4. ^ "GSAT-10 to boost telecommunications". The Hindu. Retrieved 2012-09-30. 

External links

  • ISRO Future Programmes
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