Finding Earth 2.0
Kepler-1638

Kepler-1638 b

Rank #291 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%inferred

0.120

Earth-2.0 index

0.705

Earth Similarity Index

0%

Habitable-zone probability

1.87 R⊕

Radius

Planet

Mass4.160 M⊕inferred
Bulk density3.500 g/cm³
Orbital period259.3368 days
Semi-major axis0.74500 au
Eccentricity0.000
Incident flux2.760 S⊕
Equilibrium temperature327.6 K
Transit-time σ at 2030548.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.49 masReflected-light contrast 1.09e-9 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-1638
Spectral typeG
Effective temperature5710 K
Radius0.950 R☉
Mass0.970 M☉
Distance1525.5 pc / 4975.6 ly
DiscoveryTransit, 2016