PSLV XL • EOS 9

PSLV XL • EOS 9

India’s Polar Satellite Launch Vehicle (PSLV), flying on the PSLV-C61 mission in the PSLV XL configuration with stretched boosters, will launch the EOS 9 radar Earth observation satellite for the Indian Space Research Organization (ISRO). - EOS 9 (Earth Observing Satellite, formerly known as RISAT 1B, Radar Imaging Satellite 1B) is a copy of RISAT 1 and a replacement for this defunct satellite. To provide continuity of service it is using an active C-band SAR (Synthetic Aperture Radar) imager. The objective of the EOS 9 mission is to use the all-weather as well as the day-and-night SAR observation capability in applications such as agriculture, forestry, soil moisture, geology, sea ice, coastal monitoring, object identification, and flood monitoring, but also for military surveillance. EOS 9 was developed, manufactured and integrated by ISRO. The 1710kg 3-axis stabilized spacecraft bus consists of a hexagonal prism shape build around a central cylinder. Most of the spacecraft subsystems and the payload are integrated in the prism structure and the central cylinder. The solar panels and some subsystems are mounted on the cube-shaped section of the spacecraft. EOS 9 has a designed service life of 5 years. - Delayed from Q4 2023, June and late 2024.

📍 First Launch Pad, P6MM+8V Dhawan Space Centre, Satish, Mobile Structure Tower, Sriharikota, Andhra Pradesh 524124, Indien

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