GSLV MkIII Geosynchronous Satellite Launch Vehicle.

ISRO just launched Chandrayan 2 with the help of GSLV MarkIII(GSLV MkIII). Geosynchronous Sattelite Launh Vehicle is most powerful rocket booster made by ISRO, This vehicle will help in India's maned mission for moon 2022. In this post we are going to talk about Chandrayan 2 and GSLV MkIII.


GSLV MkIII is a three stage heavy payload launch vehicle from ISRO. It has cryogenic upper stage, Geosynchronous Transfer Orbit(GTO) and 10 tons of payload to Lower Earth Orbit, if we compare this vehicle from GSLV MkII(previous one), GSLV MkIII is 2x more powerful.
two solid strap-ons and a core liquid booster. This vehicle can carry 4 ton of payload(satellites) to
On motors of GSLV MkIII, the two strap-ons are situated on either side of its core liquid core booster(S200). Ingnition of these two booster results in lift-off of the complete rocket and functions only for 140 seconds, each of them carry 205 tons of composite solid propellent.
Engines of liquid core booster ignites 114 sec after lift-off to thrust GSLV. These two engines works after the seperation of strap-ons(140 second after lift-off).

Successful Mission using GSLV MkIII

  • Successful Flight of LVM3 CARE(Crew module Atmospheric Reentry Experiment) for maned Moon Mission.
  • GSAT-19 satellite on June 5 2017 from Sriharikota
  • GSAT-29 satellite on November 14 2018 from Sriharikota
  • Successfully launched Chandrayan 2 on July 22 2019.

All missions was launched from Satish Dhawan Space Centre Sriharikota.

GSLV MkIII Specification

  • Height of Rocket- 43.43 m
  • Diameter- 4 m
  • Heat Shield- 5 m
  • Stages- 3
  • Lift Off Mass- 640 tones

Some Notable Features of GSLV Mk III

  • It can carry 4000 kg payload to Geosynchronous Transfer Orbit
  • It can carry 8000 kg of payload to Lower Earth Orbit(600 KM altitude).
  • Cryogenic Upper Stage Engine(C25), it is powered by CE-20, this engine is India's largest cryogenic engine. 
GSLV MkIII Geosynchronous Satellite Launch Vehicle. GSLV MkIII Geosynchronous Satellite Launch Vehicle. Reviewed by Utsav Raj on August 18, 2019 Rating: 5

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