Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
It is designed to monitor India's borders and as part of anti-infiltration and anti-terrorist operations. The satellite has a mass of 300 kg (660 lb).
History
RISAT-2 was procured following the 2008 Mumbai attacks, due to delay with the indigenously developed C-band for RISAT-1. It is India's first dedicated radar reconnaissance satellite. RISAT-2 was procured at the cost of USD 200 million from Israel. In terms of configuration and capability it is identical to TecSAR-1 launched in 2008 by ISRO's PSLV which marked the beginning of India-Israel space cooperation.
Technical capabilities
RISAT-2 was India's first satellite with a synthetic-aperture radar (SAR). It possess day-night as well as all-weather monitoring capability. Potential applications include tracking hostile ships at sea that are deemed a military threat to India.
Though ISRO sought to underplay the satellite's defence applications in its announcements, a substantial number of articles concerning RISAT-2 in the Indian media continue to refer to it as a "spy satellite". This is also supported by the fact that its Israeli sensor is clearly pronounced a military grade sensor by its manufacturer Israel Aerospace Industries (IAI).
Launch
ISRO scientists spent tense hours on 19 April 2009 prior to launch as one of the umbilical cords holding the PSLV-CA launch vehicle to the launch pad fell off, damaging nearly six connectors.
ANUSAT satellite
The ANUSAT student microsatellite (40 kg) was launched aboard the same launch vehicle as a secondary payload.
Mission
RISAT-2 was used to search for and eventually locate wreckage of the helicopter crash that claimed the life of Y. S. Rajasekhara Reddy, chief minister of the state of Andhra Pradesh, as well as the lives of his fellow passengers, while traveling over dense jungles in southern India on 2 September 2009.
The satellite reentered over Sumatra on 30 October 2022 at 00:06 UTC after providing payload data for 13 years.
"Trends in Indigenous Space Technologies for Societal Applications" 95_PRL ka Amrut Vyakhyaan, 14 August 2024, Shri Nilesh M Desai. 14 August 2024. Event occurs at 38 minutes 02 seconds. (…) in 2006-07 time frame country desperately needed a radar satellite for our strategic reasons so then military approached us and it was decided to buy a radar satellite so what you're seeing here this is the first active radar satellite bought from Israel it costed around those days 2006 to 09 we gave order in 2006 it was delivered in 2009 and we launched it from our launcher in 2009 for our surveillance requirements it costed us around 800 crores those days 2006 to 09 time frame.
"Department of Space, Annual Report 2017-2018" (PDF). Archived from the original (PDF) on 13 February 2018. RISAT-2 has enhanced the country's capability in the disaster management support activities. The satellite has completed 8 years in orbit and still providing imaging services.
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
This article incorporates text from this source, which is in the public domain.
