INSAT-3B

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INSAT-3B
Mission type Communication
Operator INSAT
COSPAR ID 2000-016B
SATCAT no. 26108
Mission duration 12 years
Spacecraft properties
Bus I-2K
Manufacturer ISRO
Launch mass 2,070 kilograms (4,560 lb)
Power 1,712 watts
Start of mission
Launch date 21 March 2000 (2000-03-21)
Rocket Ariane 5G
Launch site Kourou ELA-3
Contractor Arianespace
Orbital parameters
Reference system Geocentric
Regime Geostationary
Longitude 83° East
Perigee 35,743 kilometres (22,210 mi)[1]
Apogee 35,829 kilometres (22,263 mi)[1]
Inclination 0.01 degrees[1]
Period 1,436.06 minutes[1]
Epoch 23 April 2000[1]

INSAT-3B is an Indian communications satellite which was built by the Indian Space Research Organisation and operated by Indian National Satellite System.

Overview

INSAT–3B is the first satellite built under INSAT–3 series of satellites to join INSAT system. It is based on the I-2000 satellite bus. This satellite primarily serves to business communication, mobile communication and developmental communication.it provides the first set to transponders for Swaran Jayanti Vidya Vikas Antariksh Upagraha Yojana (Vidya Vahini) for interactive training and developmental communication. It is 3 – axis body stabilized in orbit using momentum and reaction wheels, solar flaps, magnetic torquers and eight 10 N and eight 22 N reaction control thrusters.

Its propulsion system consists of 440 N Liquid Apogee Motor MON-3 (Mixed Oxides of Nitrogen) and MMH (MonoMethylHydrazine) for orbit raising.

Launch

Insat-3B was launched on the 128th flight of European launch vehicle, Ariane of Arianespace, on 21 March 2000, at 23:28 UTC from ELA-3 at Kourou in French Guiana along with its co-passenger, a broadcast satellite, AsiaStar, belonging to a US company, WorldSpace.

Payload

  • 12 extended C-Band Transponders each having a bandwidth of 36 MHz with power of 15 W
  • Five Ku-band Transponders providing three channels, having a bandwidth of 77/72 MHz with power of 55W
  • Mobile Satellite Services (MSS) operating in C/S band frequencies

References

  1. ^ a b c d e McDowell, Jonathan. "SATCAT". Jonathan's Space Pages. Retrieved 3 May 2018.
  • Krebs, Gunter. "Insat 3B". Gunter's Space Page. Retrieved 2009-05-02.
  • "Insat 3B". Lyngsat. Retrieved 2009-05-02.
  • McDowell, Jonathan (2000-03-28). "Issue 422". Jonathan's Space Report. Retrieved 2009-05-02.
  • "Insat 3B". TSE. Retrieved 2009-05-02.
  • "Insat-3B satellite successfully launched into orbit". BBC Archive.
  • "Insat-3B second orbit raising operation successfully carried out". BBC Archive.
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