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by vlasev 2151 days ago
Hubble points via gyroscopes, not thrusters! But they are slow, so that's part of why you need to schedule things well. YouTube video explaining how it points: https://www.youtube.com/watch?v=qEZI9DxIQss

Also, I don't think it needs to change orbital parameters at all for its operation. Station-keeping yea, but I don't think it needs to burn more fuel because of pointing at things.