Historic satellite positions

Sorry if the question is slightly off-topic, but I was wondering if anyone knows where I can get historic positions of satellites. I’m trying to check if some observations that I have are indeed satellites or not. Doing a quick search on the internet there are some resources to find current positions of satellites, but I don’t know how to retrieve the positions for one or two years ago.
Considering that low earth orbit satellites will be a mayor source of bogus events, I thought that maybe someone in this community might be working on this topic.


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CelesTrak: Historical NORAD Two-Line Element Sets (1980-2004)
https://www.space-track.org/ (other dates)


Thanks for the info!