A satellite in a stationary orbit has constant horizontal coordinates in the planet’s sky. Under what conditions will a planet

A satellite in a stationary orbit has constant horizontal coordinates in the planet’s sky. Under what conditions will a planet in the sky of its satellite have constant horizontal coordinates?

The following kinematic conditions must be met: a) the satellite’s orbit must be a circle, b) the period of rotation of the satellite must be equal to the period of its revolution around the planet; c) the vectors of the angular velocity of rotation and the angular velocity of rotation of the satellite must be in the same direction.

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