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SSLV’s last development flight postponed by one day; launch on August 16

BENGALURU: Days after Isro had said that the third and final Development flight its small satellite start Vehicle (SSLV) is scheduled for 9:17 a.m. on August 15, the space agency announced on Monday that the launch will now take place on August 16. The launch time remains 9:17 a.m.
The rocket will launch ISRO’s latest Earth observation satellite (EOS-08). From environmental monitoring to disaster management to technological demonstrations, EOS-08weighing approximately 175.5 kg, is intended to provide valuable data and insights into various scientific and practical areas.
ISRO plans to hand over SSLV to the private sector for production once it has proven its capabilities through the demonstration flights. In July last year, India’s National Space Promotion and Authorisation Centre (IN-SPACe) had even issued an expression of interest (EoI) for the transfer of technology (ToT) of SSLV to Indian private companies.
Isro said EOS-08 “is equipped with three state-of-the-art payloads: an electro-optical infrared (EOIR) payload, a global navigation satellite system reflectometry (GNSS-R) payload and a SiC UV dosimeter,” Isro said.
The EOIR payload is designed to capture images both day and night in the midwave infrared and longwave infrared bands, enabling applications ranging from disaster monitoring to fire detection and observation of volcanic activity.
The GNSS-R payload demonstrates innovative remote sensing capabilities for sea surface wind analysis, soil moisture assessment and flood detection. The SiC UV dosimeter will play a critical role in monitoring UV irradiance for the upcoming Gaganyaan mission, India’s first manned space program.
“EOS-08 is designed to operate in circular low earth orbit (LEO) at an altitude of 475 km and features several technological advancements. These include an integrated avionics system known as Communication, Baseband, Storage and Positioning Package (CBSP) that combines multiple functions into a single, efficient unit that supports up to 400 GB of data storage,” Isro said.
The satellite features miniaturized design elements such as advanced antenna pointing mechanisms and a phased array antenna that enhance its communication capabilities. “A flexible solar panel system and innovative thermal management solutions using materials such as Germanium Black Kapton contribute to improved power generation and heat dissipation,” Isro added.
EOS-08 also has several indigenously developed components, including solar cell manufacturing processes and a nano-star sensor for microsatellite applications. The mission’s commitment to innovation, ISRO said, also extends to its X-band data transmission system for improved performance.
During its planned mission duration of one year, EOS-08 is poised to deliver critical data that will improve the understanding of Earth systems and support a wide range of applications beneficial to society and scientific research.

By Bronte

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