<h1 class="ql-align-center"><strong style="color: rgb(230, 0, 0);">TeLEOS- 2&nbsp;</strong></h1><p class="ql-align-center"><br></p><h3><strong>Context&nbsp;</strong></h3><ul><li class="ql-indent-1"><strong>The launch of the PSLV-C55/TeLEOS-2</strong> is scheduled for April 22, 2023 at 14:19 hours IST <strong>from SDSC-SHAR, Sriharikota.</strong></li></ul><h3><strong>About&nbsp;</strong></h3><ul><li class="ql-indent-1">This is a dedicated commercial <strong>mission through NSIL with TeLEOS-2 as primary satellite and Lumelite-4 as a co-passenger satellite.&nbsp;</strong></li><li class="ql-indent-1">The <strong>satellites weigh about 741 kg and 16 kg, respectively.&nbsp;</strong></li><li class="ql-indent-1"><strong>Both belong to Singapore.&nbsp;</strong></li><li class="ql-indent-1">They are intended to be launched into an Eastward low inclination orbit.</li></ul><h3><strong>TeLEOS-2</strong></h3><ul><li class="ql-indent-1">The TeLEOS-2 satellite is developed under a partnership between DSTA (representing the Government of Singapore) and ST Engineering.&nbsp;</li><li class="ql-indent-1">Once deployed and operational, it will be used to support the satellite imagery requirements of various agencies within the Government of Singapore.&nbsp;</li><li class="ql-indent-1">TeLEOS-2<strong> carries a Synthetic Aperture Radar (SAR) payload</strong>.&nbsp;</li><li class="ql-indent-1">TeLEOS-2 will be able to provide all-weather day and night coverage, and be capable of imaging at 1m full-polarimetric resolution.</li></ul><h3><strong>LUMILITE-4</strong></h3><ul><li class="ql-indent-1">The <strong>LUMELITE-4 satellite</strong> is co-developed by the Institute for Infocomm Research (I2R) of A*STAR and Satellite Technology and Research Centre (STAR) of the National University of Singapore.&nbsp;</li></ul><h3><strong>POEM-2</strong></h3><ul><li class="ql-indent-1">The <strong>mission has the PSLV Orbital Experimental Module (POEM),</strong> where the spent PS4 stage of the launch vehicle would be <strong>utilized as an orbital platform to carry out scientific experiments</strong> through <strong>non-separating payloads.&nbsp;</strong></li><li class="ql-indent-1">The payloads belong to ISRO/Department of Space, Bellatrix, Dhruva Space, and Indian Institute of Astrophysics.</li></ul><h3><strong>PSLV</strong></h3><ul><li class="ql-indent-1">The PSLV C55 rocket has four stages; each one was self-contained, with its own propulsion system, thereby capable of functioning independently.&nbsp;</li><li class="ql-indent-2">The<strong> first and third stages used composite solid propellants</strong>, while the&nbsp;</li><li class="ql-indent-2">T<strong>he second and fourth stage used earth-storable liquid propellant.</strong></li><li class="ql-indent-1">PSLV’s first launch was in 1994, and it has been ISRO’s main rocket ever since.</li><li class="ql-indent-1">It successfully launched two spacecraft – Chandrayaan-1 in 2008 and Mars Orbiter Spacecraft in 2013 – that later traveled to Moon and Mars respectively.</li><li class="ql-indent-1"><strong>PSLV-XL is the upgraded version of PSLV which uses larger strap-on motors (PSOM-XL or S12)</strong> to achieve higher payload capability of up to 1,800 kg (4,000 lb) to <strong>Sun-synchronous orbit.</strong></li></ul><p><br></p><h1 class="ql-align-center"><strong>PRELIMS NOTES:</strong><a href="https://www.sunyaias.com/subscription-details/prelims-2023-sunya-notes-current-affairs" rel="noopener noreferrer" target="_blank" style="color: rgb(0, 102, 204);"><strong>CLICK HERE</strong></a></h1><p class="ql-align-center"><br></p>