SSLV Rocket Launch Today: Countdown Begins for ISRO’s Third and Final Developmental Flight SSLV-D3-EOS8 Mission
The primary objectives of the SSLV-D3-EOS-08 mission include designing and developing a microsatellite, creating payload instruments compatible with the microsatellite bus, and incorporating new technologies required for future operational satellites, ISRO said.
Sriharikota, Andhra Pradesh, Aug 16: The countdown for the launch of an earth observation satellite, onboard the third and final development flight of Small Satellite Launch Vehicle-03 commenced on Friday, ISRO said. The SSLV-D3-EOS-08 mission follows the second successful launch of the second test flight of the Small Satellite Launch Vehicle (SSLV-D2-EOS-07) in February 2023. Today's mission is the third for the Bengaluru-headquartered space agency in 2024, after the successful PSLV-C58/XpoSat in January and GSLV-F14/INSAT-3DS missions in February. In an update on Friday, ISRO said, "SSLV-D3-EOS-08 Mission -- Six-and-a-half-hour countdown leading to the launch commenced at 02.47 hrs IST".
Third Developmental Flight of SSLV To Be Launched Today
The smallest SSLV rocket, which measures about 34 metre in height, was planned to be launched on August 15 at 9.17 am and was later rescheduled to August 16, at 9.19 am from the first launch pad at Satish Dhawan Space Centre here. The primary objectives of the SSLV-D3-EOS-08 mission include designing and developing a microsatellite, creating payload instruments compatible with the microsatellite bus, and incorporating new technologies required for future operational satellites, ISRO said. ISRO To Launch EOS-08 Earth-Observing Satellite on New SSLV Rocket Tomorrow.
With today's mission, ISRO completes the developmental flight of the smallest rocket which can carry satellites weighing up to 500 kg and can place them into Low Earth Orbit (of up to 500 km above Earth). The mission would also give a boost to NewSpace India Ltd, the commercial arm of ISRO to take up commercial launches using such Small Satellite Launch Vehicles with the industry.
Built on the Microsat/IMS-1 bus, the Earth Observation Satellite carries three payloads: Electro Optical Infrared Payload (EOIR), Global Navigation Satellite System-Reflectometry payload (GNSS-R), and SiC UV Dosimeter. The spacecraft has a mission life of one year. It has a mass of approximately 175.5 kg and generates power of around 420 W. The satellite interfaces with the SSLV-D3/IBL-358 launch vehicle, ISRO said.
The first payload EOIR is designed to capture images in the Mid-Wave IR (MIR) and Long-Wave IR (LWIR) bands, both during the day and night, for applications such as satellite-based surveillance, disaster monitoring, environmental monitoring, fire detection, volcanic activity observation, and industrial and power plant disaster monitoring. ISRO Scientists Visit Tirupati Balaji Temple to Offer Prayers Ahead of SSLV D3 Launch.
The second GNSS-R payload demonstrates the capability of using GNSS-R-based remote sensing for applications such as ocean surface wind analysis, soil moisture assessment, cryosphere studies over the Himalayan region, flood detection, and inland waterbody detection. The third payload -- SiC UV Dosimeter monitors UV irradiance at the viewport of the Crew Module in the Gaganyaan Mission and serves as a high-dose alarm sensor for gamma radiation.
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