4 Metaphors for orbit

It thus began to appear that the orbit could not be a circle.

Hence the orbit of a comet is a mystery, and the return not unfrequently a surprise.

MERCURY, an interior planet of the Solar system, whose orbit is nearest the sun, the greatest distance being nearly 43,000,000 m. and the least over 28,000,000, is one-seventeenth the size of the earth, but is of greater density, and accomplishes its revolution in about 84 days; it is visible just before the sun rises and after it sets, but that very seldom owing to the sun's neighbourhood.

The orbit of the earth is the path which it follows in space in its annual revolution around the sun.

4 Metaphors for  orbit