ISRO’s EOS-08 Satellite: Advancements and Mission Objectives.

 

Overview:

EOS-08, the latest Earth Observation Satellite from ISRO, is set to revolutionize satellite technology with its advanced features and mission objectives. Scheduled for launch by the SSLV-D3, this microsatellite aims to enhance capabilities across various scientific and operational domains.

Mission Objectives:

The primary goals of the EOS-08 mission encompass:

• Designing and developing a microsatellite on the Microsat/IMS-1 bus.
• Implementing advanced payload instruments including EOIR, GNSS-R, and SiC UV Dosimeter.
• Demonstrating new technologies crucial for future operational satellites.

Payloads:

1. EOIR Payload:

• Captures images in Mid-Wave IR (MIR) and Long-Wave IR (LWIR) bands for surveillance, disaster monitoring, and environmental assessments.

2. GNSS-R Payload:

• Utilizes GNSS-R for ocean surface wind analysis, soil moisture assessment, and flood detection.

3. SiC UV Dosimeter:

• Monitors UV irradiance for the Gaganyaan Mission and serves as a gamma radiation sensor.

Technical Specifications:

• Orbit: Circular Low Earth Orbit (475 km altitude, 37.4° inclination).
• Mass: Approximately 175.5 kg.
• Power Generation: Around 420 W.
• Mission Life: 1 year.

Technological Advancements:

• Integrated Avionics System: CBSP package integrates communication, baseband, storage, and positioning functions.
• Structural Innovations: Includes miniaturized Antenna Pointing Mechanisms, phased array antenna, and flexible solar panel.
• Thermal Management: Utilizes high-conductivity materials like pyrolytic graphite sheet for efficient heat dissipation.

Innovations:

• X-Band Data Transmission: Utilizes pulse shaping and FCM for enhanced data transmission.
• Battery Management: SSTCR-based charging system for optimized power management.
• TM-TC System: Supports CDMA and Direct PSK modes for communication.

Conclusion:

EOS-08 exemplifies ISRO’s commitment to innovation and indigenous satellite technology, marking a significant milestone in Earth observation and space research. With its advanced capabilities and novel technological implementations, EOS-08 is poised to contribute significantly to scientific endeavors and operational applications alike.

This article encapsulates the comprehensive advancements and objectives of the EOS-08 mission, showcasing its pivotal role in the realm of satellite technology and Earth observation.