A satellite in geostationary orbit remains fixed above a point on Earth's equator. The satellite's orbital radius is about 42,200 km. Calculate the orbital period of the satellite in hours.
Show answer & explanation
Correct answer: A
Explanation
Correct Answer:
24 hours
Explanation:
A geostationary satellite is defined by its ability to remain permanently positioned directly above a specific point on Earth's equator. For this to happen, its orbital period must match the exact rotational period of the Earth, which is 24 hours. Because it revolves in the same direction as Earth's rotation (west to east) at the same angular speed, it appears stationary relative to an observer on the ground.
Additional Points:
Geostationary satellites are crucial for global telecommunications, weather forecasting, and television broadcasting. They typically orbit at an altitude of approximately 35,786 km above Earth's surface (roughly 42,200 km from Earth's center).
Important Questions and Answers:
Question: What is the orbital period of a geostationary satellite?
Answer: 24 hours.
Question: At approximately what height above Earth's surface are geostationary orbits located?
Answer: About 35,786 km (roughly 36,000 km).