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- W2784204849 abstract "We extend our study of the extent of the regions within the α Centauri AB star system where small planets are able to orbit for billion-year timescales to investigate the effects of minimizing the forced eccentricity of initial trajectories. We find that initially prograde, circumstellar orbits require a piecewise quadratic function to accurately approximate forced eccentricity as a function of semimajor axis, but retrograde orbits can be modeled using a linear function. Circumbinary orbits in the α Centauri AB system are less affected by the forced eccentricity. Planets on circumstellar orbits that begin with eccentricity vectors near their forced values are generally stable, up to , out to a larger semimajor axis than are planets beginning on circular orbits. The amount by which the region of stability expands is much larger for retrograde orbits than it is for prograde orbits. The location of the stability boundary for two-planet systems on prograde, circular orbits is much more sensitive to the initial eccentricity state than it is for analogous single-planet systems." @default.
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- W2784204849 date "2018-01-17" @default.
- W2784204849 modified "2023-10-18" @default.
- W2784204849 title "Long-term Stability of Planets in theαCentauri System. II. Forced Eccentricities" @default.
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- W2784204849 doi "https://doi.org/10.3847/1538-3881/aaa197" @default.
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