Kepler-1977
Kepler-1977 b
Rank #2588 of the ranked catalogue · Discovered by Transit in 2023
HZ 0%inferred
0.091
Earth-2.0 index
0.318
Earth Similarity Index
0%
Habitable-zone probability
1.66 R⊕
Radius
Planet
Mass3.390 M⊕inferred
Bulk density4.070 g/cm³
Orbital period4.5370 days
Semi-major axis0.04860 au
Eccentricity0.000
Incident flux95.610 S⊕
Equilibrium temperature794.9 K
Transit-time σ at 203060.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.08 masReflected-light contrast 2.03e-7 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-1977
Spectral typeK
Effective temperature4805 K
Radius0.688 R☉
Mass0.769 M☉
Distance592.7 pc / 1933.2 ly
DiscoveryTransit, 2023