Main Components of NISAR Satellite Joined
The NISAR (NASA-ISRO Synthetic Aperture Radar) satellite sits in a clean room facility at U R Rao Satellite Centre (URSC) in Bengaluru, India, in mid-June 2023, shortly after engineers from NASA's Jet Propulsion Laboratory in Southern California and the Indian Space Research Organisation joined its two main components, the radar instrument payload and the spacecraft bus.
Set to launch in early 2024 from the Satish Dhawan Space Centre in Sriharikota, India, NISAR is being jointly developed by NASA and ISRO to observe movements of Earth's land and ice surfaces in extremely fine detail. As NISAR observes nearly every part of Earth at least once every 12 days, the satellite will help scientists understand, among other observables, the dynamics of forests, wetlands, and agricultural lands.
The radar instrument payload, partially wrapped in gold-colored thermal blanketing, arrived from JPL in March and consists of L- and S-band radar systems, so named to indicate the wavelengths of their signals. Both sensors can see through clouds and collect data day and night. The bus, which is shown in blue blanketing and includes components and systems developed by both ISRO and JPL, was built at URSC and will provide power, navigation, pointing control, and communications for the mission.
NISAR is an equal collaboration between NASA and ISRO and marks the first time the two agencies have cooperated on hardware development for an Earth-observing mission. JPL, which is managed for NASA by Caltech in Pasadena, leads the U.S. component of the project and is providing the mission's L-band SAR. NASA is also providing the radar reflector antenna, the deployable boom, a high-rate communication subsystem for science data, GPS receivers, a solid-state recorder, and payload data subsystem. URSC, which is leading the ISRO component of the mission, is providing the spacecraft bus, the S-band SAR electronics, the launch vehicle, and associated launch services and satellite mission operations.
To learn more about NISAR, visit: https://nisar.jpl.nasa.gov/
U.S.-Indian Team Collaborates to Assemble Main Components of NISAR
NISAR Satellite's Major Components Come Together
NISAR Science Payload Arrives in India
NISAR Science Payload Packaged and Ready to Ship to India
NISAR Science Payload Gets Packaged for Shipment to India
Preparing the NISAR Science Payload for a Trip to India
Engineers, Technicians Working on NISAR in Clean Room
NASA, JPL, ISRO, and Indian Embassy Officials Send Off NISAR
NASA, ISRO, Indian Embassy Officials Visit NISAR in Clean Room
ISRO Chairman Visits NISAR in a Clean Room at JPL
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