Finding Earth 2.0
Kepler-1209

Kepler-1209 b

Rank #1669 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.099

Earth-2.0 index

0.364

Earth Similarity Index

0%

Habitable-zone probability

1.51 R⊕

Radius

Planet

Mass2.890 M⊕inferred
Bulk density4.610 g/cm³
Orbital period25.3691 days
Semi-major axis0.17515 au
Eccentricity0.000
Incident flux63.246 S⊕
Equilibrium temperature716.8 K
Transit-time σ at 203053.8 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.35 masReflected-light contrast 1.29e-8 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-1209
Spectral typeF
Effective temperature6210 K
Radius1.380 R☉
Mass1.230 M☉
Distance505.5 pc / 1648.8 ly
DiscoveryTransit, 2016