In orbit is commonly used to describe the position of an object that is circling around another. However, there are several synonyms that can be used in place of this phrase to add variety and depth to your writing. Some alternatives include "circling," "revolving around," "whirling," "spinning," "encircling," "circling around," and "circulating." Each of these words can be used to emphasize the movement and circular trajectory of the object in question. By using these synonyms, you can add more detail and interest to your writing, while also making it more engaging for your readers.