Height of Geostationary satellite above the surface of the earth is

The height of Geostationary satellite above the surface of the earth is approximately: 

(A) 36,000 km

(B) 3600 km

(C) 360 km

(D) 36 km

Correct Ans: (A)

Explanation

A geostationary satellite orbits the Earth at approximately 36,000 km above the surface. Since it moves at the same rotational speed as Earth, it appears stationary from the ground. As a result, it provides uninterrupted communication and broadcasting services.

These satellites play a crucial role in television broadcasting, weather forecasting, and global communication. Because they stay fixed relative to a specific location, they offer stable signals for services like DTH television, GPS, and internet connectivity.

The geostationary orbit (GEO), positioned at 36,000 km, allows satellites to complete one orbit in 24 hours, matching Earth’s rotation. Therefore, this synchronization ensures continuous coverage over a designated area.

In contrast, low-Earth orbit (LEO) satellites, positioned at 360-2000 km, move much faster, requiring multiple satellites for continuous coverage. Meanwhile, medium-Earth orbit (MEO) satellites, at 5000-20,000 km, serve GPS and navigation systems. Consequently, each orbit type serves different purposes.

Because of their high-altitude positioning, geostationary satellites are essential for mass communication and remote sensing. They help meteorologists track weather patterns, assist in disaster management, and improve global connectivity.

As technology advances, geostationary satellites continue to evolve. They now offer better performance and expanded communication capabilities. Ultimately, their high-altitude orbit ensures reliable service for media, defense, and scientific research.

Nivisha Kapoor- Author
Nivisha Kapoor

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