Finding Earth 2.0
Kepler-91 · K3

Kepler-91 b

Rank #5539 of the ranked catalogue · Discovered by Transit in 2013

HZ 0%measured

0.055

Earth-2.0 index

0.048

Earth Similarity Index

0%

Habitable-zone probability

15.32 R⊕

Radius

Planet

Mass257.442 M⊕measured
Bulk density0.400 g/cm³
Orbital period6.2466 days
Semi-major axis0.07310 au
Eccentricity0.052
Incident flux3273.324 S⊕
Equilibrium temperature1922.7 K
Transit-time σ at 2030138.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.06 masReflected-light contrast 7.63e-6 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 coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostKepler-91
Spectral typeK3
Effective temperature4550 K
Radius6.300 R☉
Mass1.310 M☉
Distance1294.7 pc / 4222.7 ly
DiscoveryTransit, 2013