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Re:Newfound Asteroid May Strike Earth in 2046, NASA Says by NotYourLawyer on Wednesday March 15, 2023 @12:01PM (#35170366)
Uncertainty in the measurement of its position and velocity.
Re:Newfound Asteroid May Strike Earth in 2046, NASA Says by prophesi on Wednesday March 15, 2023 @12:06PM (#35170446)
Measuring its current position and velocity isn't the hard part, it's chaos theory and the n-body problem for its future position/velocity.