Which satellite was the first Indian satellite placed in geostationary...
The APPLE (Ariane Passenger Payload Experiment) satellite, launched on 19th June, 1981, was the first Indian satellite to be placed in geostationary orbit. It was used for communication purposes and marked a significant advancement in India’s space technology.
Which satellite was the first Indian satellite placed in geostationary...
Introduction to Indian Satellites
India's journey in space technology has been marked by significant milestones, particularly in satellite development. Among these, the placement of satellites in geostationary orbit plays a critical role in communication and broadcasting.
First Indian Satellite in Geostationary Orbit
The first Indian satellite placed in geostationary orbit is:
APPLE (Ariane Passenger Payload Experiment)
Significance of APPLE
- Launch Date: APPLE was launched on July 19, 1981, from the Sriharikota Range.
- Design Purpose: The satellite was primarily designed to demonstrate the technology for communication satellites and was a significant advancement in India’s space capabilities.
- Geostationary Orbit: APPLE was positioned at approximately 36,000 kilometers above the Earth's equator, allowing it to remain fixed over a specific point on the Earth's surface. This feature is crucial for consistent communication services.
Comparison with Other Satellites
- Aryabhata: Launched in 1975, it was India’s first satellite but was placed in low Earth orbit, not geostationary.
- INSAT-1A: Launched in 1982, it was part of the Indian National Satellite System but came after APPLE.
- GSAT-1: This satellite was launched in 2001 and was one of the successors in the series but also came after APPLE.
Conclusion
In conclusion, APPLE marks a pivotal moment in India's space exploration history, paving the way for subsequent advancements in communication technologies and satellite systems.
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