PSLV Orbital Experiment Module

PSLV Orbital Experimental Module
Unmodified PSLV fourth stage for PSLV-C11 campaign.
NamesPS4 Orbital Platform
Mission typeTechnology
Spacecraft properties
Dry mass~920 kg
Payload massup to 30 kg
DimensionsLength: 3 meter
Diameter: 2 meter
Power200 to 500 watts

PSLV Orbital Experiment Platform (POEM) also known as PSLV Stage 4 Orbital Platform (PS4-OP)[1] is an orbital micro-gravity test bed based on spent fourth stage of PSLV. By adding modular subsystems for power generation, communication and stabilization like photovoltaic cells, Telemetry and Telecommand (TT&C) package, attitude control system, data storage etc to the PSLV fourth stage, it can function as a satellite bus. This augmented stage can then host payloads for up to six months while in orbit, making it useful for qualifying components, gaining space heritage and conduct experiments in micro-gravity conditions. Usually the fourth stage of PSLV is discarded after deployment of satellite and remains in orbit for a significant duration in a passive state as a piece of space debris.[2][3]

  1. ^ "Payloads". www.isro.gov.in. Archived from the original on 24 July 2023. Retrieved 24 July 2023.
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  3. ^ Cite error: The named reference :1 was invoked but never defined (see the help page).