Chennai, August 12 The Indian Space Research Organisation (ISRO) has postponed the orbiting of its earth observation satellite (EOS) by its small rocket - Small Satellite Launch Vehicle (SSLV) - by a day to August 16.
Earlier, ISRO said that it will put into orbit the EOS with SSLV on August 15. The space agency also said that it would be the third and final developmental flight of SSLV.
However, ISRO on Monday said in a post on X: "The launch of the third developmental flight of SSLV is scheduled for August 16, 2024, in a launch window of one hour starting at 09:17 Hrs IST.”
The rocket will carry the microsatellite called EOS-08 weighing about 175.5 kg.
The mission is called SSLV-D3/EOS-08.
According to ISRO, the proposed mission will complete the SSLV Development Project and enable operational missions by the Indian industry and the public sector NewSpace India Ltd.
The primary objectives of the 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.
Built on the Microsat/IMS-1 bus, EOS-08 carries three payloads: Electro Optical Infrared Payload (EOIR), Global Navigation Satellite System-Reflectometry payload (GNSS-R), and SiC UV Dosimeter.
The EOIR payload 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.
The 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 water body detection.
ISRO said the 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.
EOS-08 marks a significant advancement in satellite mainframe systems such as an Integrated Avionics system, known as the Communication, Baseband, Storage, and Positioning (CBSP) Package, which combines multiple functions into a single, efficient unit.
According to ISRO, the satellite employs a miniaturized design in its Antenna Pointing Mechanisms, capable of achieving a rotational speed of 6 degrees per second and maintaining a pointing accuracy of ±1 degree.
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