What is another word for orbital surface?
Pronunciation: [ˈɔːbɪtə͡l sˈɜːfɪs] (IPA) 
Orbital surface is a phrase used in space exploration. It refers to the outermost layer of a celestial body on which orbiting satellites or spacecraft stay in a stable orbit. There are several synonyms for the term "orbital surface." These include orbital layer, circum-orbit zone, orbital field, and orbital region. All of these phrases refer to the same general area around a celestial body, and they all describe the range of stable positions that a satellite or spacecraft can hold in orbit. These synonyms are helpful for scientists and engineers who study and design spacecraft for space exploration missions.
