These uncertainties can be taken into account though, since there's an upper limit or an estimate for any of these forces. See also: https://en.wikipedia.org/w

These uncertainties can be taken into account though, since there's an upper limit or an estimate for any of these forces. See also: https://en.wikipedia.org/wiki/Lyapunov_time https://en.wikipedia.org/wiki/Lyapunov_time