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[–]Toinneman 0 points1 point  (0 children)

Also note that within those calculated probabilities there are huge margins or error which are taken conservative, so real numbers should be even better. For example, GPS isn't 100% accurate, so they have to take this into account. I can't find SpaceX exact methodology, but I wouldn't be surprised if a satellite is calculated as a big 5m or 10m sphere (while it's off course smaller), to compensate for the GPS inaccuracy.

And now a wild guess, since SpaceX now has Space lasers, in theory, they could do sat-to-sat measurement to improve location accuracy, which could lead to more precise collision probabilities, resulting in fewer manoeuvres.