Vayu Aerospace and Defence - - Aviation Defence & Inindia -

In its thirty eighth flight (PSLV-C36), ISRO’s Po­lar Satel­lite Launch Ve­hi­cle suc­cess­fully launched the 1235 kg RESOURCESAT- 2A Satel­lite on 7 De­cem­ber 2016 from Satish Dhawan Space Cen­tre SHAR, Sri­harikota. This is the thirty sev­enth con­sec­u­tively suc­cess­ful mis­sion of PSLV.

Af­ter PSLV-C36 lift-off at 10:25 am IST from the First Launch Pad with the ig­ni­tion of the first stage, the sub­se­quent im­por­tant flight events, namely, strapon ig­ni­tions and sep­a­ra­tions, first stage sep­a­ra­tion, sec­ond stage ig­ni­tion, pay­load fair­ing sep­a­ra­tion, sec­ond stage sep­a­ra­tion, third stage ig­ni­tion and sep­a­ra­tion, fourth stage ig­ni­tion and cut-off, took place as planned. Af­ter a flight of 17 min­utes 05 sec­onds, the ve­hi­cle achieved a po­lar Sun Syn­chro­nous Or­bit of 824 km height in­clined at an an­gle of 98.725 de­gree to the equa­tor (very close to the in­tended or­bit) and 47 sec­onds later, RESOURCESAT-2A was sep­a­rated from the PSLV fourth stage. 3-Tier imag­ing sys­tem with Ad­vanced Wide Field Sen­sor (AWiFS), Lin­ear Imag­ing Self Scan­ner-3 (LISS-3) and Lin­ear Imag­ing Self Scan­ner-4 (LISS-4) cam­eras. The AWiFS pro­vides images with a sam­pling of 56 me­tres, a swath of 740 km and a re­visit of 5 days whereas the LISS-3 pro­vides 23.5 me­tre sam­pled images with 141 km swath and a repi­tiv­ity of 24 days. LISS-4 pro­vides 5.8 me­tre sam­pled images with 70 km swath and a re­visit of 5 days.

With this launch, the PSLV has yet again demon­strated its re­li­a­bil­ity. The to­tal num­ber of satel­lites launched by In­dia’s work­horse launch ve­hi­cle PSLV in­clud­ing the RESOURCESAT-2A has now reached 122, of which 43 are In­dian and the re­main­ing 79 are in­ter­na­tional.

PSLV re­mains the ISRO’s ver­sa­tile launch ve­hi­cle for launch­ing mul­ti­ple satel­lites in po­lar SSOs, Low Earth Or­bits (LEO) as well as Geosyn­chronous Trans­fer Or­bit ( GTO) and sub GTO. With 36 suc­cess­ful launches, PSLV has emerged as the work­horse launch ve­hi­cle of ISRO and has been of­fered to launch satel­lites for in­ter­na­tional cus­tomers.

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