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Indian satellite launch mission From Wikipedia, the free encyclopedia
The PSLV-C55 was the 57th mission of Indian Space Research Organisation's Polar Satellite Launch Vehicle (PSLV) and the 16th flight of the PSLV-CA variant.[1]
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_of_SDSC-SHAR_03.webp) PSLV - C55 lifts off on First Launch Pad | |
| launch | |
|---|---|
| Launch | 22 April 2023 08:49 (UTC) |
| Pad | First Launch Pad Satish Dhawan Space Centre |
| Payload |  TeLEOS-2 Lumelite-4
7× smaller payloads hosted on POEM-2 (PSLV Orbital Experimental Module-2) |
| PSLV launches | |
It was launched on Saturday, 22 April 2023 at 14:19 IST / 08:49 UTC from Satish Dhawan Space Centre, Sriharikota, Andhra Pradesh, India.[2][3] This was a dedicated commercial mission through NSIL with TeLEOS-2 as primary satellite and Lumelite-4 as a co-passenger satellite weighing 741 kg and 16 kg respectively.[1] Both satellites belong to Singapore.[4]
Primary payload: TeLEOS-2
Secondary payload: Lumelite-4
This also marks the third time that PS4 is used after satellite separations as a platform for experiments. There are non-separable payloads mounted on MSA (multi-satellite adapter).[5] Payloads are powered on by a command after all satellites are separated. The orbital platform will remain in the same orbit achieved at the end of PS4 tank passivation after the primary mission. It has an expected life of 1 month.[1]
As a part of POEM-2 (PSLV Orbital Experimental Module), there are seven experimental non-separable payloads:[1][6]
Propellant:[1]
The PSLV C55 rocket has four stages; each one was self-contained, with its own propulsion system, thereby capable of functioning independently. The first and third stages used composite solid propellants, while the second and fourth stage use earth-storable liquid propellant.
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