Wiktionary
a. based in space (especially in orbit, but sometimes on a planet or moon) alt. based in space (especially in orbit, but sometimes on a planet or moon)
Usage examples of "spacebased".
A sparking relay junction or fuel cell occasionally erupted somewhere on the keel, and pieces of the spacebased radar, communications antennas and heat-exchange radiators fluttered in the weightlessness of space as if pushed by some strange, unearthly wind.
Ever since the Russians started building it, Valentina Tereshkova has been studied by enough groundbased and spacebased telescopes and other instruments for us to be under no doubt that it is the size they say it is.
SBR was the acronym for spacebased radar, two huge, football-field-sized, phased-array radar antennas installed on the station.
My staff is more concerned with the system of advanced sensors now in use, especially the phased-array, spacebased radar aboard the space station Armstrong.
The objective of my two wingmen will be to disable the Armstrong's spacebased radar system, station propulsion and any defensive armaments.