You could potentially hide a satellite from radar observation the same way you can for planes. That's apparently what the Misty program [1] did. Synthetic apert

You could potentially hide a satellite from radar observation the same way you can for planes. That's apparently what the Misty program [1] did. Synthetic aperture radar could take care of clouds, though you lose color. Agreed about maneuverability I think. 1. https://en.wikipedia.org/wiki/Misty_(satellite) https://en.wikipedia.org/wiki/Misty_(satellite)