dark satellite

dark satellite

[¦därk ′sad·əl‚īt]
(aerospace engineering)
Satellite that gives no information to a friendly ground environment, either because it is controlled or because the radiating equipment is inoperative.
References in periodicals archive ?
This hypothetical dark satellite was called "Nemesis", the researchers claim.
However, further dark satellites will need to be found to confirm this conclusion," says Vegetti.
The team looked for faint or dark satellites of distant galaxies using a method called gravitational lensing.