INSAT-3E

Last updated
INSAT-3E
Insat3e.jpg
Mission type Communications
Operator INSAT
COSPAR ID 2003-047E
SATCAT no. 27951
Mission duration10 years, 5 months, 5 days
Spacecraft properties
Bus I-2K
Manufacturer ISRO
Launch mass2,775 kilograms (6,118 lb)
Dry mass1,218 kilograms (2,685 lb)
Dimensions2.0×1.77×2.8 metres (6.6×5.8×9.2 ft)
Power2,400 watts
Start of mission
Launch date27 September 2003, 23:14:46 (2003-09-27UTC23:14:46Z) UTC [1]
Rocket Ariane 5G V162
Launch site Kourou ELA-3
Contractor Arianespace
End of mission
DisposalMoved to a graveyard orbit
Orbital parameters
Reference system Geosynchronous
Regime Geostationary (till 2014)
Graveyard Orbit
Longitude55° east (till 2014)
Periapsis altitude 35,764 kilometres (22,223 mi) (till 2014)
Apoapsis altitude 35,819 kilometres (22,257 mi) (till 2014)
Inclination 0.06 degrees
Period 23.93 hours
Epoch 30 October 2013, 02:33:58 UTC [2]
Transponders
Band24  C band
12  Extended C band

INSAT 3E is a defunct communication satellite built by Indian Space Research Organisation. It was launched on September 28, 2003, from the European Space Agency's spaceport in French Guiana on board the Ariane rocket. The satellite had a launch mass of 2750 kilograms. It is the 4th satellite launched in the INSAT-3 series for INSAT. It was designed for providing high-speed communication, Television, VSAT & Tele-education services and was an important landmark in Indian Space Programme.

Contents

In April 2014, almost eleven years after being launched, the satellite ran out of oxidizer and a few days later, was decommissioned by the ISRO. A few days later, it was moved into a graveyard orbit. [3]

Launch

INSAT 3E was launched from Kourou, French Guiana on September 28, 2003, on European consortium Ariane space's Ariane 5-V162 launcher along with two other satellites viz. Eurobird 3 of Eutelsat and SMART-1 of European Space Agency at 4.44 am IST.It was placed into a geosynchronous transfer orbit 30 minutes after the lift-off, in 3-axis stabilised mode, with a perigee of 649 km and an apogee of 35,923 km and an inclination of 7 deg. with respect to the equator. Its master control facility is at Hassan, Karnataka (India).

Payload

INSAT 3E payload consists of C-band and extended C-band transponders. It has 24 C-band transponders, having India beam coverage providing an Edge Of Coverage-Effective Isotropic Radiated Power (EOC-EIRP) of 38.5 dBW and 12 upper extended C-band transponders having India beam coverage providing an EOC-EIRP of 38 dBW.

Retirement

On April 1, 2014, Dr. K. Radhakrishnan, while speaking to the Indian English newspaper "The Hindu", said that INSAT 3E had been decommissioned. The newspaper reported that a few days before, the satellite had run out of the on-board oxidizer, which is essential to burn the fuel that kept it Earth-locked (fixed over India) and running its daily functions. The ISRO had apparently expected that the satellite, positioned at 55 degrees E longitude, would last a few more months and that it would be smoothly replaced with GSAT-16. The Master Control Facility at Hassan moved the expired satellite into a graveyard orbit a few days after. [3]

Services

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References

[4] [5] [6] [7] [8] [9] [10]

  1. ↑ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 30 October 2013.
  2. ↑ "INSAT 3E Satellite details 2003-043E NORAD 27951". N2YO. 30 October 2013. Retrieved 30 October 2013.
  3. 1 2 S, Madhumathi D. (2 April 2014). "After 10 years in orbit, INSAT-3E expires". The Hindu.
  4. ↑ "INSAT-3E Launched successfully | SpaceRef Asia - Space News and Reference". Archived from the original on 2012-07-01. Retrieved 2010-12-22.
  5. ↑ "FlySat G-Sat 10 - Insat 4A @ 83° East". Archived from the original on 2017-07-28. Retrieved 2010-12-22.
  6. ↑ "The Hindu : INSAT 3E will take tally to 128 transponders". www.hindu.com. Archived from the original on 1 January 2004. Retrieved 17 January 2022.
  7. ↑ "Insat 3E".
  8. ↑ "Satbeams - World of Satellites at your fingertips".
  9. ↑ "Communication satellite Insat-3E launched - Express India". www.expressindia.com. Archived from the original on 2012-10-11.
  10. ↑ "TrackSat: Insat 3E @ 55° East". Archived from the original on June 26, 2009.
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