Friday 29th March 2024

ISRO Launches Two Singaporean Satellites To Space On PSLV-C55

On Saturday, the Indian Space Research Organisation (ISRO) successfully launched two customer satellites of Singapore using Polar Satellite Launch Vehicles. On its 57th flight, the 228-ton PSLV launched into orbit from Satish Dhawan Space Sriharikota.

The two satellites, which belonged to Singapore, weighed a total of 757 kilograms. The Indian space agency, which is currently preparing for major missions such as Chandrayaan-3 and the first solar mission, Aditya L-1, conducted its third significant launch of the year with this one.

PSLV successfully deployed both satellites in their planned orbit, according to ISRO Chief S Somnath. “In its 57th mission, PSLV has demonstrated its higher reliability, and congratulations to the team and the NSIL for this mission,” Somnath continued.

The PSLV-C55 mission carried two satellites, the main one being the TeLEOS-2, a Synthetic Aperture Radar (SAR) payload capable of providing all-weather day and night coverage and imaging at 1m full-polarimetric resolution.

On the other hand, the second payload was created to demonstrate the technology of the High-Performance Space-borne VHF Data Exchange System (VDES). The National University of Singapore’s Satellite Technology and Research Centre (STAR) and A*STAR’s Institute for Infocomm Research (I2R) jointly developed the 16-kg LUMELITE-4.

The PSLV Orbital Experimental Module, also known as the POEM, which is a modified fourth stage of the rocket that typically ends in space debris, is the mission’s third major highlight. In order to undertake tests with non-separable payloads, ISRO has recently built it to be utilised as an experimental platform. Seven of these experimental payloads are carried by the Poem and are from the Indian Institute of Astrophysics, Bellatrix, Dhruva Space, and Isro. The payloads have a 30-day operational life in space.

The operation, which took little over 20 minutes to complete from launch to deployment of the two customer satellites, ran well throughout. The three stages separated with accuracy and promptness, lifting the two satellites to the necessary altitude above the earth. At the height of more than 600 kilometers above the earth, the satellites were launched.

 

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India Received NISAR Satellite For Space Mission

On Wednesday, March 8, the United States Air Force handed over the NISAR satellite to the Indian space agency. The US Air Force C-17 aircraft brought an Earth observation satellite known as NISAR and landed in Bengaluru to hand over to India Space Research Organisation (ISRO).

The US Consulate General Chennai tweeted, “Touchdown in Bengaluru!”  to inform that ISRO received NISAR.

See the Tweet here.

The satellite  NASA-ISRO synthetic aperture radar (NISAR) is a project collaboratively developed by NASA and ISRO. This was envisioned eight years ago in 2014 by NASA and ISRO to launch dual frequency synthetic aperture radar on an Earth observation satellite.

NISAR will be the first dual frequency radar imaging satellite that uses two different frequencies (L-band and S-band). According to the NISAR’s official website, it is designed with a Synthetic aperture radar (SAR) that can produce fine-resolution images even from a resolution-limited radar system.

The NISAR mission is planned to launch in January 2024 from Satish Dhawan Space Centre, Sriharikota, into a near-polar orbit. It will operate for at least three years, map the globe in 12 days, and send consistent data to study in detail Earth’s dynamic land and ice surfaces.

The NISAR will be used for various purposes by ISRO. It will provide a bunch of data and information that helps to measure the changes on the planet’s surface, such as melting glaciers, changes in carbon storage, sea level rise, depletion in groundwater levels, and examining the impact of global warming.

It will also help to manage natural hazards such as tsunamis, earthquakes, and volcanic eruptions to assess and manage the risk better by making response times faster.

Moreover, it will help to improve agriculture, such as crop growth, and detect the early signs of drought by measuring soil moisture and wildfires.

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