XEST 17-036 · M4
KOINTREAU-1 b
Discovered by Imaging in 2026
unknownmeasured
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Earth-2.0 index
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Earth Similarity Index
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Habitable-zone probability
12.40 R⊕
Radius
Planet
Mass3368.981 M⊕measured
Bulk density9.710 g/cm³
Orbital period— days
Semi-major axis690.00000 au
Eccentricity—
Incident flux— S⊕
Equilibrium temperature— K
Maximum angular separation4350.07 masReflected-light contrast 6.00e-14 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage71%0% median composite-to-default difference over shared parameters.
Host star & system
HostXEST 17-036
Spectral typeM4
Effective temperature3551 K
Radius— R☉
Mass0.260 M☉
Distance158.6 pc / 517.3 ly
DiscoveryImaging, 2026