Which is why you get things like this https://www.cnbc.com/2026/04/05/satellite-firm-planet-labs-t...
An aircraft carrier is not that fast, if you see it once you know roughly what radius of circle it is going to be in for a while (ignoring the fact that they are likely going somewhere for a reason its not their job is to say out of sight)
edit: aha that company literally lists it on their website https://www.planet.com/industries/maritime/