Isro’s PSLV-C53 places three Singapore satellites in orbit, continues journey as POEM | India News
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SRIHARIKOTA: The Indian Space Research Organisation on Thursday successfully launched PSLV-C53 which placed three Singapore satellites in orbits. The fourth stage of the rocket then turned into an orbital platform for scientific experiments as it began to circle the Earth.
It is Isro’s second mission this year. It was the second dedicated commercial mission of NewSpace India Limited (NSIL).
At 6.02pm, PSLV, in its 55th mission and 15th mission using PSLV-Core Alone variant, lifted off from the second launch pad at Satish Dhawan Space Centre in Sriharikota.
Around 20 minutes after the lift-off, the rocket injected the three Singapore satellites into their respective orbits.
The satellites include DS-EO, a 365kg electro-optic, multi spectral payload that will provide full colour images for land classification and serve humanitarian assistance and disaster relief needs. The second satellite is 155kg NueSAR, Singapore’s first small commercial satellite carrying a SAR payload and can provide images in day and night and under all weather conditions. The third satellite is 2.8kg Scoob-1, the first in the student satellite series (S3-I), a hands-on student training programme from the Satellite Research Centre (SaRC) at Singapore’s NTU School of Electrical and Electronic Engineering.
After the satellites were injected, the PS4 or the fourth stage of PSLV turned into an orbital platform — PSLV Orbital Experimental Module (POEM) — to perform in-orbit scientific experiments. According to Isro officials, it is for the first time that the PS4 stage is orbiting the Earth as a stabilised platform. POEM is carrying six payloads, including those from two Indian space start-ups — Digantara and Dhruva Space — enabled through IN-SPACe and NSIL.
POEM will derive power from the solar panels mounted around the PS4 tank and a lithium-ion battery. It will navigate using four sun sensors, a magnetometer, gyros and NavIC. It carries a dedicated control thruster using helium gas storage and is enabled with a telecommand feature.
It is Isro’s second mission this year. It was the second dedicated commercial mission of NewSpace India Limited (NSIL).
At 6.02pm, PSLV, in its 55th mission and 15th mission using PSLV-Core Alone variant, lifted off from the second launch pad at Satish Dhawan Space Centre in Sriharikota.
Around 20 minutes after the lift-off, the rocket injected the three Singapore satellites into their respective orbits.
The satellites include DS-EO, a 365kg electro-optic, multi spectral payload that will provide full colour images for land classification and serve humanitarian assistance and disaster relief needs. The second satellite is 155kg NueSAR, Singapore’s first small commercial satellite carrying a SAR payload and can provide images in day and night and under all weather conditions. The third satellite is 2.8kg Scoob-1, the first in the student satellite series (S3-I), a hands-on student training programme from the Satellite Research Centre (SaRC) at Singapore’s NTU School of Electrical and Electronic Engineering.
After the satellites were injected, the PS4 or the fourth stage of PSLV turned into an orbital platform — PSLV Orbital Experimental Module (POEM) — to perform in-orbit scientific experiments. According to Isro officials, it is for the first time that the PS4 stage is orbiting the Earth as a stabilised platform. POEM is carrying six payloads, including those from two Indian space start-ups — Digantara and Dhruva Space — enabled through IN-SPACe and NSIL.
POEM will derive power from the solar panels mounted around the PS4 tank and a lithium-ion battery. It will navigate using four sun sensors, a magnetometer, gyros and NavIC. It carries a dedicated control thruster using helium gas storage and is enabled with a telecommand feature.
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