A space system comprises two main satellites each describing a distinct elliptical orbit around the Earth, each of the two orbits being such that the space system makes it possible to provide a permanent or continuous service over at most a terrestrial zone comprising a polar cap and a region of different latitude over an interval of longitudes.
Космическая система
28.06.2019
Patent
Elektronische Ressource
Russisch
IPC: | B64G Raumfahrt , COSMONAUTICS |