Finding Earth 2.0
Kepler-217

Kepler-217 d

Rank #4859 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.070

Earth-2.0 index

0.134

Earth Similarity Index

0%

Habitable-zone probability

1.32 R⊕

Radius

Planet

Mass2.300 M⊕inferred
Bulk density5.500 g/cm³
Orbital period3.8869 days
Semi-major axis0.05340 au
Eccentricity0.000
Incident flux2099.752 S⊕
Equilibrium temperature1720.7 K
Transit-time σ at 203063.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.05 masReflected-light contrast 1.06e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources7 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage50%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-217
Spectral typeF
Effective temperature6341 K
Radius1.760 R☉
Mass1.370 M☉
Distance1104.6 pc / 3602.8 ly
DiscoveryTransit, 2016