TOI-178 · K
TOI-178 d
Rank #818 of the ranked catalogue · Discovered by Transit in 2021
HZ 0%measured
0.109
Earth-2.0 index
0.360
Earth Similarity Index
0%
Habitable-zone probability
2.69 R⊕
Radius
Planet
Mass5.200 M⊕measured
Bulk density1.461 g/cm³
Orbital period6.5576 days
Semi-major axis0.05920 au
Eccentricity0.007
Incident flux24.913 S⊕
Equilibrium temperature567.9 K
Transit-time σ at 203053.6 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.94 masReflected-light contrast 3.60e-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 coverage75%0% median composite-to-default difference over shared parameters.
Host star & system
HostTOI-178
Spectral typeK
Effective temperature4316 K
Radius0.662 R☉
Mass0.647 M☉
Distance62.7 pc / 204.5 ly
DiscoveryTransit, 2021