ISRO to Launch Earth Observation Satellite EOS-08 with SSLV-D3

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Home » ISRO to Launch Earth Observation Satellite EOS-08 with SSLV-D3

The spacecraft, engineered for operation in a Circular Low-Earth Orbit at an altitude of 475 km and an inclination of 37.4 degrees, is set for a mission duration of one year.

The Indian Space Research Organisation (ISRO) is set to launch the Earth Observation Satellite (EOS-08) using the Small Satellite Launch Vehicle (SSLV) -D3, marking the third development flight of this vehicle.

The mission aims to design and develop a microsatellite, integrate advanced payload instruments, and incorporate new technologies for future satellites.

Payload Details: EOS-08 carries three key payloads:

Electro-Optical Infrared Payload (EOIR): This payload captures images in the Mid-Wave Infrared (MIR) and Long-Wave Infrared (LWIR) bands, enabling operations both day and night. It supports satellite-based surveillance, disaster monitoring, environmental observation, fire detection, volcanic activity tracking, and monitoring of industrial and power plant-related incidents.
Global Navigation Satellite System-Reflectometry (GNSS-R) Payload: This payload utilizes GNSS-R-based remote sensing for applications such as analyzing ocean surface winds, evaluating soil moisture, researching the Himalayan cryosphere, detecting floods, and monitoring inland water bodies.
SiC UV Dosimeter: Designed to measure UV irradiance at the Crew Module viewport for the Gaganyaan Mission, this dosimeter also serves as a high-dose alarm sensor for gamma radiation.

Satellite Specifications: EOS-08 will operate in a Circular Low-Earth Orbit (LEO) at an altitude of 475 km and an inclination of 37.4 degrees. With a mission lifespan of one year, the satellite weighs approximately 175.5 kg and generates around 420 W of power. It will be launched using the SSLV-D3/IBL-358 launch vehicle.

The satellite represents a leap forward in satellite technology, featuring an Integrated Avionics System known as the Communication, Baseband, Storage, and Positioning (CBSP) Package, which consolidates multiple functions into one efficient unit. EOS-08 also includes advanced X-band data transmission capabilities with pulse shaping and Frequency-Compensated Modulation (FCM) to optimize data transmission. Additionally, it boasts an auto-launch pad initialization feature, highlighting its advanced mission management capabilities.