GJ 357 · M2.5 V
GJ 357 b
Rank #116 of the ranked catalogue · Discovered by Transit in 2019
HZ 0%measured
0.130
Earth-2.0 index
0.567
Earth Similarity Index
0%
Habitable-zone probability
1.20 R⊕
Radius
Planet
Mass1.830 M⊕measured
Bulk density5.600 g/cm³
Orbital period3.9306 days
Semi-major axis0.03600 au
Eccentricity—
Incident flux12.600 S⊕
Equilibrium temperature478.9 K
Transit-time σ at 20302.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation3.81 masReflected-light contrast 1.93e-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 coverage73%0% median composite-to-default difference over shared parameters.
Host star & system
HostGJ 357
Spectral typeM2.5 V
Effective temperature3505 K
Radius0.337 R☉
Mass0.342 M☉
Distance9.4 pc / 30.8 ly
DiscoveryTransit, 2019