Table 8: Main sources of uncertainty in the orbital solution (from Laskar 1999). For each limiting factor, an analytical estimate of the time of validity of the solution $T_{\rm V}$ is given (in Myr), taking into account the exponential growth of the error.
Limiting factor $T_{\rm V}$

Uncertainty on the masses and intial conditions 38 Myr

Contribution of the main Galilean satellites 35 Myr

Uncertainty in the Earth-Moon system evolution 40 Myr

Effect of the main asteroids 32 Myr

Mass loss of the Sun 50 Myr

Uncertainty of $2\times 10^{-7}$ on the J₂ of the Sun 26 Myr

**Table 8:** Main sources of uncertainty in the orbital solution (from Laskar 1999). For each limiting factor, an analytical estimate of the time of validity of the solution $T_{\rm V}$ is given (in Myr), taking into account the exponential growth of the error.
Limiting factor	$T_{\rm V}$
Uncertainty on the masses and intial conditions	38 Myr
Contribution of the main Galilean satellites	35 Myr
Uncertainty in the Earth-Moon system evolution	40 Myr
Effect of the main asteroids	32 Myr
Mass loss of the Sun	50 Myr
Uncertainty of $2\times 10^{-7}$ on the J₂ of the Sun	26 Myr

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