An object launched to orbit Earth or another celestial body, as a device for reflecting or relaying radio signals or for capturing images, A small unit in a system or organization that is managed or controlled by a larger, often centrally located unit, any celestial body orbiting around a planet or star, adjective_ surrounding and dominated by a central authority or power, (Anat.) Situated near; accompanying. Of or relating to the transmission of electromagnetic signals by communications satellite, verb_ broadcast or disseminate via satellite