Finding Earth 2.0
Kepler-1991

Kepler-1991 c

Rank #2278 of the ranked catalogue · Discovered by Transit in 2023

HZ 0%inferred

0.094

Earth-2.0 index

0.352

Earth Similarity Index

0%

Habitable-zone probability

2.57 R⊕

Radius

Planet

Mass7.130 M⊕inferred
Bulk density2.310 g/cm³
Orbital period22.7902 days
Semi-major axis0.15280 au
Eccentricity0.000
Incident flux38.270 S⊕
Equilibrium temperature632.2 K
Transit-time σ at 203032.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.18 masReflected-light contrast 4.91e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · 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-1991
Spectral typeG
Effective temperature5478 K
Radius1.053 R☉
Mass0.914 M☉
Distance855.8 pc / 2791.3 ly
DiscoveryTransit, 2023