25-hr countdown begins for 56th Mission of PSLV rocket

The 25-hour countdown to the 56th flight of India’s PSLV rocket started at 10:56 am Friday, because the 321-ton rocket waits to blast off from India’s spaceport at 11:56 am on Saturday. In what’s dubbed as ‘PSLV C-54/EOS-06’ mission, the rocket designed and developed by Indian Area Company ISRO might be carrying 9 satellites. Whereas the first passenger is ISRO’s personal EOS-6 or Oceansat, the eight co-passengers might be small satellites, every of which weigh beneath 20 kgs. 

EOS-6 is the third-generation satellite tv for pc within the Oceansat sequence. That is to offer continuity providers of Oceansat-2 spacecraft with enhanced payload specs in addition to utility areas.

This mission positive factors significance as it’s among the many longest to be undertaken by the PSLV rocket. From the time the rocket lifts off from the primary launchpad of Satish Dhawan Area Centre in Sriharikota, it could take greater than two hours and 6 minutes for the ultimate satellite tv for pc to separate from the rocket and get injected into orbit. 

Provided that there are 9 satellites to be ejected into orbit, the PSLV rocket might be performing two manoeuvres to vary its orbit. Based on ISRO, the primary satellite tv for pc EOS-6 will separate at an altitude of 742 kms. Thereafter, the primary orbit change might be carried out by deploying the OCTs (Orbit Change Thrusters) and the rocket’s ultimate stage might be delivered to a decrease altitude of 708kms. On the finish of the second orbit change, the rocket’s ultimate stage might be introduced from 563km altitude to 514km altitude.

Orbit modifications are carried out as a result of every satellite tv for pc is supposed for a specific function and the person/buyer requires the satellite tv for pc to be at a specific orbit/altitude above earth’s floor, to carry out its job suitably. Therefore, the mission is deliberate in such a manner that the respective satellites get positioned of their designated orbits. 

The passenger satellites on this mission embrace ‘BhutanSat’, a satellite tv for pc that India has constructed for Bhutan and their scientific group. Along with this, there might be satellites designed and constructed by Indian startups- ‘Anand’ imaging satellite tv for pc from Pixxel, two satellites ‘Thybolt’ from Dhruva Area and 4 ‘Astrocast’ satellites from an American agency might be driving as co-passengers, on a industrial foundation. These firms are clients of ISRO’s industrial arm NSIL or NewSpace India Restricted. 

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