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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 PadSatish Dhawan Space Centre |
| Payload |  TeLEOS-2Lumelite-4 7× smaller payloads hosted on POEM-2 (PSLV Orbital Experimental Module-2) |
| PSLV launches | |
ThePSLV-C55 was the 57th mission ofIndian Space Research Organisation'sPolar Satellite Launch Vehicle (PSLV) and the 16th flight of thePSLV-CA variant.[1]
It was launched on Saturday, 22 April 2023 at 14:19 IST / 08:49 UTC fromSatish Dhawan Space Centre, Sriharikota, Andhra Pradesh, India.[2][3] This was a dedicated commercial mission throughNSIL withTeLEOS-2 as primary satellite andLumelite-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 thatPS4 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]
| Parameter | Orbit-1 |
|---|---|
| Semi-Major Axis (km) | 6964 |
| Alt (km) | 586 |
| Eccentricity | 0.0 |
| Inclination (deg.) | 10.00 |
| Launch Pad | FLP |
| Launch Azimuth (deg.) | 104 |
Propellant:[1]
The PSLV C55 rocket has four stages; each one was self-contained, with its ownpropulsion 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.
Surendra, Singh (2023-04-13)."With PSLV-C55 mission, Isro uses new rocket Integration".Timesofindia. Retrieved2023-04-13.
Satish Dhawan, Space Centre (2023-04-17)."Registration for Launch View Gallery, PSLV-C55 Mission".Satish dhawan space centre. Retrieved2023-04-17.
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