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INSAT – 3B

Launch Date: 22.03.2000

Insat3B

INSAT – 3B is the first of the five ISRO built satellites under INSAT – 3 series to join INSAT system. INSAT – 3B is collocated with INSAT – 2E at 83 deg East Longitude. 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 giving fillip to the training and developmental Communication channel of INSAT.  

Mission

Communication

Lift-off Mass

2050 kg

Spacecraft power

Solar Array: 1550 Watts
Battery: Ni-Cd (24 Ah)

Stabilization

3 – axis body stabilised biased momentum control system using earth sensors, sun sensors, inertial reference unit, momentum / reaction wheels, magnetic torquers and unified bi-propellant thrusters.

Propulsion

Bi-propellant system

Payload

a. 12 extended C – band Transponders

b. Five Ku band Transponders

c. Mobile Satellite Services (MSS)

Launch date

22nd March 2000

Launch site

French Guyana

Launch vehicle

Ariane -5

Orbit

Geostationary (83 deg East longitude)

Inclination

7 deg

Orbital Life

10 Years

Achievements

1.Excellent service provided for VSAT networks

2. Deriving life of more than 10 years compared to second generation INSAT bus originally designed for seven years

3. Market potential of Ku band broadcast service

        

    Site last updated: Monday 11 December 2017
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