BENGALURU: In­dia will launch ISRO’S 100th satel­lite along with 30 oth­ers in a sin­gle mis­sion on Jan­uary 12 from Sri­harikota, in a mile­stone event in the coun­try’s space history.

The In­dian Space Re­search Or­gan­i­sa­tion (ISRO) said it was “back in the game” with the launch, the first Po­lar Satel­lite Launch Ve­hi­cle (PSLV) mis­sion af­ter the un­suc­cess­ful launch of the nav­i­ga­tion satel­lite IRNSS-1H in Au­gust last.

“The 31 space­crafts, in­clud­ing weather ob­ser­va­tion Car­tosat-2 se­ries satel­lite, will be launched by PSLV-C40,” ISRO Satel­lite Cen­tre (ISAC) direc­tor M An­nadu­rai said on Tues­day.

Stat­ing that 28 of the satel­lites were from abroad, the of­fi­cial noted that the launch of three In­dian satel­lites dur­ing the mis­sion would mark the roll out of the hun­dredth satel­lite from ISRO.

“When the last satel­lite is ejected out it will be­come the hun­dredth satel­lite...the first cen­tury we have done. It is the maiden cen­tury. So PSLVC40 marks maiden cen­tury of In­dian satel­lite .... we are ea­gerly wait­ing for that,” he said.

Speak­ing to re­porters on side­lines of an ex­hi­bi­tion on ASTROSAT here, An­nadu­rai said, “With PSLV-C40 we are back in the game”.

PSLV-C40 will launch the 710 kg Car­tosat-2 se­ries satel­lite for earth ob­ser­va­tion and 30 co-pas­sen­gers (to­gether weigh­ing about 613 kg) at liftoff on Jan­uary 12 at 09.28 am, ISRO said. It will be launched from the first launch pad of the Satish Dhawan Space Cen­tre at Sri­harikota, about 100 kms from Chen­nai.

The co-pas­sen­ger satel­lites in­clude one mi­cro and nano satel­lite each from In­dia. Three mi­cro and 25 nano satel­lites from six coun­tries namely Canada, Fin­land, France, Repub­lic of Korea, UK and USA, make up the other pay­load.

Re­fer­ring to the PSLV-C39 fail­ure, An­nadu­rai said ISRO had un­der­stood it and re­peated tests had been con­ducted to en­sure that such problems did not re­oc­cur. This took slightly more time for PSLV-C40 launch. On Au­gust 31, In­dia’s mis­sion to launch its backup nav­i­ga­tion satel­lite IRNSS-1H on board PSLV-C39 failed af­ter a tech­ni­cal fault on the fi­nal leg fol­low­ing a per­fect launch.

ISRO then said the heat shield did not sep­a­rate on the fi­nal leg of the launch se­quence and, as a re­sult, IRNSS-1H got stuck in the fourth stage of the rocket. The to­tal weight of all the 31 satel­lites car­ried on board PSLV-C40 is about 1,323 kg.

Ac­cord­ing to ISRO, Car­tosat-2 se­ries satel­lite launch is a fol­low-on mis­sion with the pri­mary ob­jec­tive of pro­vid­ing high res­o­lu­tion scene spe­cific spot im­ageries.

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