Complex sentence: A satellite whose orbital period is exactly the same as that of the Earth is said to be in a geosynchronous orbit, and its ground track will have a "figure eight" shape, crossing the equator twice each day.
Split into simpler sentences: A satellite whose orbital period is exactly the same as that of the Earth is said to be in a geosynchronous orbit. Its ground track will have a "figure eight" shape in fixed location on the Earth, crossing the equator twice each day.