With a well-defined, circular orbit at a distance of about 3,900 feet ... and because our models were so sensitive, we could also figure out the shape of the asteroid," said Steve Chesley ...

How does a planet’s size influence its orbit around its parent star? This is what a recent study published in the Proceedings of the National Academy | Space ...

One application of the law of gravity is to figure out how to put a satellite into orbit so ... centripetal force pulling the satellite away from a straight path to a circular orbit. This centripetal ...