What is a key differentiator between a satellite and a planet when observing motion over 15 to 30 minutes?

Answer

A satellite will have traveled a significant distance across your view

A satellite travels a significant distance across the sky relative to background stars over several minutes, whereas a planet moves very little relative to those stars in the same timeframe.

What is a key differentiator between a satellite and a planet when observing motion over 15 to 30 minutes?

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