Finding Earth 2.0
HD 221416 · K0 IV/V

HD 221416 b

Rank #4927 of the ranked catalogue · Discovered by Transit in 2019

HZ 0%measured

0.069

Earth-2.0 index

0.099

Earth Similarity Index

0%

Habitable-zone probability

9.17 R⊕

Radius

Planet

Mass60.500 M⊕measured
Bulk density0.431 g/cm³
Orbital period14.2767 days
Semi-major axis0.12280 au
Eccentricity0.115
Incident flux495.906 S⊕
Equilibrium temperature1199.5 K
Transit-time σ at 20301545.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.28 masReflected-light contrast 9.68e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostHD 221416
Spectral typeK0 IV/V
Effective temperature5080 K
Radius2.943 R☉
Mass1.212 M☉
Distance95.5 pc / 311.6 ly
DiscoveryTransit, 2019