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About RISAT-1A ISRO Mission 2020 Launch


Radar Imaging Satellite 1A, or RISAT-1A, is a planned remote sensing satellite that is similar in configuration to RISAT-1. The satellite is being developed by Indian Space Research Organisation (ISRO). RISAT-1A will be 6th in series of RISAT satellites. It will be a land based mission with primary application in terrain mapping and analysis of land, ocean and water surface for soil moisture.
Mission typeRadar imaging satellite
Mission duration5 years (planned)
Spacecraft properties
ManufacturerSpace Applications Centre
Launch mass1,858 kilograms (4,096 lb)
Power2200 w
Start of mission
Launch dateMarch 2020 (planned)[1]
Launch siteSatish Dhawan
Orbital parameters
Reference systemGeocentric
Inclination97.844 deg
Period96.5 minutes


The satellite will carry Synthetic Aperture Radar which will operate at 5.35 GHz in C band. Synthetic Aperture Radar can be used for earth observation irrespective of the light and weather conditions of the area being imaged.

Payload metrics are defined by the following parameters and areas of study
LandAlbedo and reflectance
Soil moisture
Multi-purpose imagery
OceanOcean topography/currents
Snow & IceIce sheet topography
Snow cover, edge and depth
Sea ice cover, edge and thickness


Active Microwave Remote Sensing provides cloud penetration and day-night imaging capability. These unique characteristics of C-band (5.35GHz) Synthetic Aperture Radar enable applications in agriculture, particularly paddy monitoring in kharif season and management of natural disasters like flood and cyclone.

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