NEW DELHI: The Indian Space Research Organisation (ISRO) and NASA are set to launch their collaborative Earth observation satellite, NISAR, on Wednesday, at 5:40 p.m. IST from the Satish Dhawan Space Centre in Sriharikota.
The mission, valued at $1.5 billion, aims to revolutionise the way we monitor Earth’s surface, particularly in tracking natural disasters and environmental changes.
NISAR (NASA-ISRO Synthetic Aperture Radar) is a landmark project, marking the first time the Earth will be observed using dual-frequency Synthetic Aperture Radar, NASA’s L-band and ISRO’s S-band. These radars will be operated using NASA’s 12-meter unfurlable mesh reflector antenna, mounted on ISRO’s customized I-3K satellite bus.
Weighing 2, 392 kilograms, the satellite will be carried into space aboard India’s GSLV-F16 rocket.
The satellite will be inserted into a sun-synchronous orbit at an altitude of 740 km, where it will scan the Earth’s landmass and ice-covered surfaces every 12 days with high-resolution imagery over a 242-kilometer swath, utilizing SweepSAR technology for the first time.
“The Earth observation satellite jointly developed by ISRO and NASA will be sent into space on July 30 by the GSLV-F16 rocket made in India, ” said ISRO Chairman V. Narayanan.
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