Mission Unstoppable: ISRO’s Next-Gen Radar Satellite Gears Up for a Historic Lift-Off

Unknown Apr 02, 2026 1,300 Views

India is ready to make a giant leap in space-based observation and Earth watching as ISRO is getting ready to launch the radar imaging satellite RISAT-1B (EOS-09) on board PSLV-C61 at 6:59 am IST on May 18, 2025, from Satish Dhawan Space Centre, Sriharikota. Strategic Timing and Ob...

Strategic Timing and Objective:

The launch of RISAT-1B is being accelerated due to recent security breaches and heightened border tensions, highlighting its pivotal role in enhancing India's surveillance capabilities on sensitive borders and coastlines.

Advanced All-Weather Imaging

Equipped with a state-of-the-art C-band synthetic aperture radar (SAR), RISAT-1B can capture high-resolution images day and night, regardless of weather conditions. This makes it invaluable for continuous monitoring of agriculture, forestry, disaster management, urban planning, and, most critically, national security.

Mission Details:

Weighing 1,710 kg, RISAT-1B will be put into a sun-synchronous polar orbit at an altitude of approximately 529 km aboard the XL variant of the PSLV rocket. The satellite's rugged design provides consistent, day-and-night data recording, augmenting current Resourcesat, Cartosat, and RISAT-2B satellites.

Enhancing Space Surveillance:

RISAT-1B forms a part of ISRO's ambitious strategy for launching a series of 52 satellites in five years, augmented with more participation from the private sector, aimed at offering real-time coverage and strengthening national security infrastructure.

Civilian and Strategic Impact:

Imagery offered by the satellite will cater to varied applications, ranging from monitoring crops and management of floods to object detection and military reconnaissance and hence will become a pillar supporting both civilian as well as defence requirements.

With PSLV-C61/EOS-09, ISRO once again proves its technological capabilities and dedication to protecting India's interests from space.

Sources: India Today, UNI India, Gadyal Kashmir, ISRO Spaceflight (X)

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