GJ 238 · M2.5 V
GJ 238 b
Rank #3594 of the ranked catalogue · Discovered by Transit in 2024
HZ 0%inferred
0.083
Earth-2.0 index
0.240
Earth Similarity Index
0%
Habitable-zone probability
0.57 R⊕
Radius
Planet
Mass0.126 M⊕inferred
Bulk density3.820 g/cm³
Orbital period1.7447 days
Semi-major axis0.02123 au
Eccentricity—
Incident flux229.458 S⊕
Equilibrium temperature989.3 K
Transit-time σ at 20306.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.40 masReflected-light contrast 1.23e-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 coverage73%0% median composite-to-default difference over shared parameters.
Host star & system
HostGJ 238
Spectral typeM2.5 V
Effective temperature3485 K
Radius0.431 R☉
Mass0.419 M☉
Distance15.2 pc / 49.6 ly
DiscoveryTransit, 2024