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Isro to launch three satellites under a contract between Singapore and New Space India Limited (NSIL)

By wasmulhaq 
Updated Date

New Delhi: The Indian Space Research Organisation (Isro) is set to launch three passenger satellites on a big mission on Thursday. The Polar Satellite Launch Vehicle (PSLV) will liftoff at 6:00 pm from the Second Launch Pad at Satish Dhawan Space Centre, Sriharikota.

Also Read :- ISRO launches its Earth Observation Satellite (EOS-06) and eight nano-satellites into space

The countdown for the historic mission got underway on Wednesday, almost 25 hours before the start of the historic mission, indicating a healthy system and a launch vehicle on the pad. The spacecraft will liftoff with three satellites from Singapore being launched by NewSpace India Limited (NSIL).

NSIL, a corporate arm of the Department of Space (DOS), is launching the mission under its agreement with Singapore in what is the second commercial mission for the body.

The spacecraft will install the three missions in Low Earth Orbit (LEO) at an altitude of 570 km measured from the equator. This will be the 55th mission of the PSLV and the 15th mission using the PSLV-Core Alone variant. It is the 16th PSLV launch from the second launch pad.

The PSLV in its launch fairing is carrying three satellites, the DS-EO satellite and the NeuSAR, Singapore’s first small commercial satellite carrying a SAR payload, which is capable of providing images day and night and under all weather conditions.

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Isro said that the DS-EO is a 365 kg satellite and NeuSAR weighs 155 kg. While both spacecraft belong to Singapore, they have been built by Starec Initiative in the Republic of Korea. The third satellite is a 2.8 kg Scoob-1 from Nanyang Technological University (NTU), Singapore.

A major experiment headed onboard is the PSLV Orbital Experimental Module (POEM), which will perform in-orbit scientific experiments using the spent PS4 stage as an orbital platform. The PS4 stage will orbit the Earth as a stabilised platform for the first time.

To stabilise the stage after deployment, it will use a dedicated NGC system. The system will derive its power from the solar panels mounted around the PS4 tank and a Li-Ion battery and navigate using four sun sensors, a magnetometer, gyro and NavIC. It carries dedicated control thrusters using helium gas storage. It is enabled with the telecommand feature.

Isro has said that POEM carries six payloads, including two from Indian Space Start-ups M/s Digantara and M/s Dhruva Space, enabled through IN-SPACe and NSIL.


Also Read :- Historic! ISRO successfully launches India's smallest rocket SSLV-D1/EOS-02 mission from Sriharikota

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