Kepler-87
Kepler-87 b
Rank #1880 of the ranked catalogue · Discovered by Transit in 2013
HZ 0%measured
0.097
Earth-2.0 index
0.272
Earth Similarity Index
0%
Habitable-zone probability
13.49 R⊕
Radius
Planet
Mass324.200 M⊕measured
Bulk density0.729 g/cm³
Orbital period114.7364 days
Semi-major axis0.48100 au
Eccentricity0.036
Incident flux9.203 S⊕
Equilibrium temperature442.7 K
Transit-time σ at 203014.1 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.39 masReflected-light contrast 1.37e-7 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources4 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage92%0% median composite-to-default difference over shared parameters.
Host star & system
HostKepler-87
Spectral typeG
Effective temperature5600 K
Radius1.820 R☉
Mass1.100 M☉
Distance1232.9 pc / 4021.2 ly
DiscoveryTransit, 2013