Kepler-42 · M
Kepler-42 b
Rank #1216 of the ranked catalogue · Discovered by Transit in 2011
HZ 0%upper limit
0.104
Earth-2.0 index
0.469
Earth Similarity Index
0%
Habitable-zone probability
0.78 R⊕
Radius
Planet
Mass0.706 M⊕upper limit
Bulk density0.150 g/cm³
Orbital period1.2138 days
Semi-major axis0.01160 au
Eccentricity0.040
Incident flux22.388 S⊕
Equilibrium temperature552.9 K
Transit-time σ at 203040.9 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.29 masReflected-light contrast 7.85e-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