Any satellite (7)
I believe the answer is:
orbiter
(Other definitions for orbiter that I've seen before include "Craft going round planet" , "Satellite perhaps" , "One goes round" , "Space vehicle" , "Non-landing spacecraft" .)
I believe the answer is:
orbiter
(Other definitions for orbiter that I've seen before include "Craft going round planet" , "Satellite perhaps" , "One goes round" , "Space vehicle" , "Non-landing spacecraft" .)