The suc­cess of GSLV Mk III-D2 marks an im­por­tant mile­stone in the In­dian space pro­gramme to­wards achiev­ing self-re­liance in launch­ing heav­ier satel­lites

SP's Aviation - - TABLE OF CONTENTS - —By SP’s Cor­re­spon­dent

Suc­cess­fully Launched

The In­dian GSAT-29 com­mu­ni­ca­tion satel­lite was suc­cess­fully launched by the sec­ond devel­op­men­tal flight of Geosyn­chronous Satel­lite Launch Ve­hi­cle Mark III (GSLV Mk IIID2) on Novem­ber 14 this year from the Satish Dhawan Space Cen­tre (SDSC) SHAR at Sri­harikota in Andhra Pradesh. The GSLV Mk III is a three-stage heavy lift launch ve­hi­cle de­vel­oped by the In­dian Space Re­search Or­gan­i­sa­tion (ISRO).

For this mis­sion, the GSLV Mk III-D2 lifted off from the Sec­ond Launch Pad of SDSC SHAR at 17:08 hours In­dian Stan­dard Time, car­ry­ing the 3423 kg GSAT-29 satel­lite. About 17 min­utes after the launch, the launch ve­hi­cle in­jected the GSAT-29 satel­lite into the Geosyn­chronous Trans­fer Or­bit (GTO) as planned.

After in­jec­tion, ISRO’s Master Con­trol Fa­cil­ity at Has­san took over con­trol of the satel­lite. In the com­ing days, three or­bit rais­ing ma­noeu­vres will be ex­e­cuted to po­si­tion the satel­lite in the Geo­sta­tion­ary Or­bit at its des­ig­nated lo­ca­tion.

In the GSLV Mk III-D2, two mas­sive boost­ers with solid pro­pel­lant con­sti­tute the first stage, the core with liq­uid pro­pel­lant form the sec­ond stage and the cryo­genic en­gine make up the fi­nal stage.

The GSAT-29 is a multi­band, multi-beam com­mu­ni­ca­tion satel­lite, in­tended to serve as a test bed for sev­eral new and crit­i­cal tech­nolo­gies. Its Ku-band and Ka-band pay­loads are con­fig­ured to cater to the com­mu­ni­ca­tion re­quire­ments of users in­clud­ing those in the re­mote ar­eas es­pe­cially from Jammu & Kash­mir and the North-East­ern re­gions of In­dia.

In ad­di­tion, the Q/V-Band com­mu­ni­ca­tion pay­load on­board is in­tended to demon­strate the fu­ture high through­put satel­lite sys­tem tech­nolo­gies. Geo High Res­o­lu­tion Cam­era will carry out high res­o­lu­tion imag­ing. Op­ti­cal Com­mu­ni­ca­tion Pay­load will demon­strate data trans­mis­sion at a very high rate through op­ti­cal com­mu­ni­ca­tion link.

After the suc­cess­ful launch, ISRO Chair­man Dr K. Si­van said, “In­dia has achieved a sig­nif­i­cant mile­stone with our heav­i­est launcher lift­ing off the heav­i­est satel­lite from In­dian soil. The launch ve­hi­cle has placed the satel­lite with pre­ci­sion in its in­tended or­bit. I con­grat­u­late en­tire team of ISRO in­volved in this project for this achieve­ment.”

Declar­ing the GSLV Mk III op­er­a­tional, Dr K. Si­van an­nounced that Chan­drayaan-2 lu­nar mis­sion and the hu­man space flight mis­sion Ga­ganyaan will be launched by the GSLV Mk III-D2 heavy-lifter. Jayaku­mar B, Mis­sion Di­rec­tor, GSLV Mark III, said that it was the guid­ance by the Men­tors at ISRO that helped the team to march ahead and over­come all ob­sta­cles. “The in­dus­try part­ners too played a key role in the suc­cess of this mis­sion,” he said. K. Pankaj Damodar, Project Di­rec­tor, GSAT-29 said the launch will help to bridge the dig­i­tal di­vide. He also said that sev­eral next gen­er­a­tion pay­load tech­nolo­gies will be demon­strated with this mis­sion soon.

The suc­cess of GSLV Mk III-D2 marks an im­por­tant mile­stone in the In­dian space pro­gramme to­wards achiev­ing self-re­liance in launch­ing heav­ier satel­lites. The suc­cess of this flight also sig­ni­fies the com­ple­tion of the ex­per­i­men­tal phase of GSLV Mark III. The first suc­cess­ful mis­sion of GSLV Mark III was an ex­per­i­men­tal sub­or­bital flight in 2014. Sub­se­quently, GSLV Mark III-D1 launched GSAT-19, a high through­put com­mu­ni­ca­tion satel­lite, with a lift-off mass of 3150 kg, into GTO on June 5, 2017.


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