geosynchronous
1. [ adjective ] of or having an orbit with a fixed period of 24 hours (although the position in the orbit may not be fixed with respect to the earth)
Related terms: fixed
2. [ adjective ] of or having a geosynchronous orbit such that the position in such an orbit is fixed with respect to the earth
Synonyms: geostationary
Examples:

"a geostationary satellite"

Related terms: fixed