There are a lot of articles and news that companies have plans on how to get rid of space debris. But I never found a single proven and reliable method. Perhaps I was looking in the wrong place? Or are we really leaving a bunch of garbage in orbit with no way to fix it?
But I never found a single proven and reliable method.
Below roughly 400 km there is of course a proven and reliable method. Wait.
At 400 km the ISS is regularly fighting atmospheric drag by boosting its orbit at regular intervals using propellant in regular shipments from the surface. All you have to do is wait. At 200 km it might be weeks or months at most. a