Kepler-42 · M
Kepler-42 d
Rank #996 of the ranked catalogue · Discovered by Transit in 2011
HZ 0%upper limit
0.106
Earth-2.0 index
0.502
Earth Similarity Index
0%
Habitable-zone probability
0.57 R⊕
Radius
Planet
Mass0.358 M⊕upper limit
Bulk density0.550 g/cm³
Orbital period1.8652 days
Semi-major axis0.01540 au
Eccentricity0.020
Incident flux12.538 S⊕
Equilibrium temperature478.3 K
Transit-time σ at 203081.5 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.38 masReflected-light contrast 2.38e-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 coverage67%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-42
Spectral typeM
Effective temperature3068 K
Radius0.170 R☉
Mass0.130 M☉
Distance40.1 pc / 130.7 ly
DiscoveryTransit, 2011