Finding Earth 2.0
Kepler-1291

Kepler-1291 b

Rank #2068 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.096

Earth-2.0 index

0.360

Earth Similarity Index

0%

Habitable-zone probability

1.66 R⊕

Radius

Planet

Mass3.390 M⊕inferred
Bulk density4.070 g/cm³
Orbital period8.6304 days
Semi-major axis0.07790 au
Eccentricity0.000
Incident flux62.823 S⊕
Equilibrium temperature715.6 K
Transit-time σ at 203085.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.09 masReflected-light contrast 7.88e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources6 · 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-1291
Spectral typeG
Effective temperature5216 K
Radius0.800 R☉
Mass0.840 M☉
Distance897.4 pc / 2926.8 ly
DiscoveryTransit, 2016