While observing a planet through a telescope, a scientist observes a natural satellite orbiting the planet. What is the best classification for this satellite?

Satellites are objects which orbit the planet. The natural satellite of Earth, in this case, is moon

Answer;

The moon

The best classification for this satellite is the moon.

Explanation;

The moon is the second brightest object in the sky after the Sun.

It moves around the Sun at the same time it moves around the Earth. The Moon orbits the Earth because of the pull of Earth's gravity. The Moon orbits around the Earth once per month.