Finding Earth 2.0
Kepler-54 · M1 V

Kepler-54 d

Rank #553 of the ranked catalogue · Discovered by Transit in 2014

HZ 0%upper limit

0.113

Earth-2.0 index

0.556

Earth Similarity Index

0%

Habitable-zone probability

1.53 R⊕

Radius

Planet

Mass12.095 M⊕upper limit
Bulk density9.200 g/cm³
Orbital period20.9957 days
Semi-major axis0.12600 au
Eccentricity0.000
Incident flux3.425 S⊕
Equilibrium temperature345.8 K
Transit-time σ at 203073.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.46 masReflected-light contrast 2.56e-8 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources9 · 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-54
Spectral typeM1 V
Effective temperature4252 K
Radius0.554 R☉
Mass0.518 M☉
Distance271.7 pc / 886.2 ly
DiscoveryTransit, 2014