Finding Earth 2.0
Kepler-259

Kepler-259 b

Rank #3732 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%inferred

0.082

Earth-2.0 index

0.233

Earth Similarity Index

0%

Habitable-zone probability

2.80 R⊕

Radius

Planet

Mass8.250 M⊕inferred
Bulk density2.070 g/cm³
Orbital period8.1153 days
Semi-major axis0.07900 au
Eccentricity0.000
Incident flux113.451 S⊕
Equilibrium temperature829.6 K
Transit-time σ at 203029.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.08 masReflected-light contrast 2.18e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources8 · 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-259
Spectral typeG
Effective temperature5938 K
Radius0.898 R☉
Mass0.867 M☉
Distance1002.1 pc / 3268.5 ly
DiscoveryTransit, 2014