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Isro successfully launches Earth Observation Satellite, 2 other co-passengers on PSLV-C52

By Priyanka Verma 
Updated Date
Isro successfully launches Earth Observation Satellite, 2 other co-passengers on PSLV-C52

New Delhi: The Indian Space Research Organisation (ISRO) launched a Polar Satellite Launch Vehicle with two smaller co-passenger satellites at 05.59 am today, February 14, from the First Launch Pad of Satish Dhawan Space Centre at Sriharikota in Andhra Pradesh. This was the ISRO’s first launch mission of 2022, the 25-hour countdown for which started yesterday.

Also Read :- ISRO successfully tests solid booster stage for new SSLV

The launch comes nearly six months after the failed GSLV-F10/EOS-03 mission. According to Isro, the cryogenic upper stage ignition did not happen due to a technical anomaly during the GSLV-F10/EOS-03 launch on August 12, 2021.

Congratulating the team, Isro chairman S Somanath said, “The primary satellite, EOS-04, has been put in a very precise orbit by PSLV-C52. Co-passenger satellites INS-2TD and INSPIREsat-1 have also been placed in the right orbits. This spacecraft is going to be one of the biggest assets to serve the country. We will be back again with another launch of PSLV very soon.”

Satellite director Srikanth said, “Let me first congratulate the PSLV team on precise inject of EOS-04. The launch has rejuvenated Isro team once again. The most awaited spacecraft, EOS-04, is an earth observation mission, all weather, day and night imaging SAR mission with indigenously developed state-of-the-art technology SAR and will serve the country in the sectors of agriculture, soil moisture, disaster management, disaster assessment, carbon inventory, forest and plantation management and many more sectors.”

“The health of EOS-04 is perfectly fine after separation. I am happy to share that the solar panels are deployed autonomously and started generating the designed power…. In a couple of days after calibration and braking for outgassing, the satellite will be ready to deliver the glimpse of images. The services will be an integral part of many governmental services. EOS-04 has taken a small step in the nation’s dream of opening the space sector with the industry participation in the form of build to print and also assemble and test. We have fairly succeeded in our effort.”

“PSLV-C52/EOS-04 Mission: The countdown process of 25 hours and 30 minutes leading to the launch has commenced at 04:29 hours today,” the city-headquartered ISRO said in a tweet.

The launch vehicle is designed to orbit an earth observation satellite EOS-04, weighing 1,710 kg into a sun synchronous polar orbit of 529 km.

EOS-04 is a Radar Imaging Satellite designed to provide high quality images under all weather conditions for applications such as Agriculture, Forestry and Plantations, Soil Moisture and Hydrology and Flood mapping.

The two smaller co-passenger satellites include a student satellite (INSPIREsat-1) from Indian Institute of Space Science and Technology (IIST) in association with Laboratory of Atmospheric and Space Physics at University of Colorado, Boulder. It is also contributed by NTU, Singapore and NCU, Taiwan.

Two scientific payloads in this satellite is to improve the understanding of ionosphere dynamics and sun’s coronal heating processes.

The other is a technology demonstrator satellite (INS-2TD) from ISRO, which is a precursor to the India-Bhutan Joint Satellite (INS-2B). Having a thermal imaging camera as its payload, the satellite benefits the assessment of land surface temperature, water surface temperature of wetland or lakes, delineation of vegetation (crops and forest) and thermal inertia (day and night).

This is be the 54th flight of PSLV and 23rd Mission using PSLV-XL configuration with 6 PSOM-XLs (strap-on motors).

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