Mini-neptunes exhibit an anti-correlation between orbital period and eccentricity unlike super-earths, implying the two populations are dynamically distinct.
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N-body simulations demonstrate long-term dynamical stability of the HD 20794 system across a range of inclinations, with planet d identified as the lowest-mass high-eccentricity HZ-crossing planet.
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Super-earths and mini-neptunes follow different orbital period-eccentricity relations
Mini-neptunes exhibit an anti-correlation between orbital period and eccentricity unlike super-earths, implying the two populations are dynamically distinct.
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Dynamical Stability and Habitability in the HD 20794 System
N-body simulations demonstrate long-term dynamical stability of the HD 20794 system across a range of inclinations, with planet d identified as the lowest-mass high-eccentricity HZ-crossing planet.