Answered

A satellite TV company needs satellites that remain above the same broadcast region continuously. They select a geostationary orbit. What orbital condition must be met?


AMatches Earth's rotation period
BMatches the Moon's orbit
CFaster than Earth's rotation
DSlower than Earth's rotation

Verified Answer :

Final answer:

A satellite in a geostationary orbit must have an orbital period that matches the Earth's rotation period, allowing it to remain stationary over the same point on the Earth's surface. This orbital condition is crucial for continuous broadcasting. Essentially, it synchronizes with the Earth's 24-hour rotation time.


Explanation:

Understanding Geostationary Orbits

A geostationary orbit is a special type of orbit where a satellite orbits the Earth at the same rate that the Earth rotates. For a satellite to maintain its position over a specific point on Earth, it must remain directly above that point, thus 'stationary' in relation to the Earth’s surface.

Orbital Condition

The critical orbital condition that must be met for a satellite in geostationary orbit is that its orbital period must match the rotation period of the Earth. This period is approximately 24 hours. When the satellite's orbital speed matches the speed of the Earth's rotation, it becomes geostationary, remaining over the same latitude and longitude continuously.

In summary, a satellite in a geostationary orbit must have an orbital period that matches the Earth's rotation period rather than being faster or slower than it.


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