TOI-421 · G9 V
TOI-421 b
Rank #2207 of the ranked catalogue · Discovered by Transit in 2020
HZ 0%measured
0.094
Earth-2.0 index
0.237
Earth Similarity Index
0%
Habitable-zone probability
2.64 R⊕
Radius
Planet
Mass6.700 M⊕measured
Bulk density2.040 g/cm³
Orbital period5.1976 days
Semi-major axis0.05540 au
Eccentricity0.130
Incident flux154.570 S⊕
Equilibrium temperature896.3 K
Transit-time σ at 20304.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.74 masReflected-light contrast 3.94e-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
HostTOI-421
Spectral typeG9 V
Effective temperature5291 K
Radius0.866 R☉
Mass0.833 M☉
Distance74.8 pc / 244.0 ly
DiscoveryTransit, 2020