;ap;ap;ap; lissauer (1998) although their a target was the effect of post-a-sequence sor ass loss on the stability of pary orbits， they perford any tegrations verg up to ～1011 yr of the orbital otions of the four jovian ps the itial orbital elents and asses of ps are the sa as those of our sor systeduncan ≈ap;ap;ap; lissauer's paper， but they decrease the ass of the sun graduallytheir nurical experts this is becae they nsider the effect of post-a-sequence sor ass lossthe paper nsequently， they found that the crossg ti-scale of pary orbits， which can be a typical dicator of the stability ti-scale， is quite sensitive to the rate of ass decrease of the sun when the ass of the sun is close to its present vae， the jovian ps rea stable over 1010 yr， or perhaps longer duncan ≈ap;ap;ap; lissauer also perford four siir experts on the orbital otion of seven ps (ven to neptune)， which ver a span of ～109 yr their experts on the seven ps are not yet prehensive， but it sees that the terr

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