Finding Earth 2.0
TOI-178 · K

TOI-178 c

Rank #1154 of the ranked catalogue · Discovered by Transit in 2021

HZ 0%measured

0.104

Earth-2.0 index

0.323

Earth Similarity Index

0%

Habitable-zone probability

1.75 R⊕

Radius

Planet

Mass4.640 M⊕measured
Bulk density4.797 g/cm³
Orbital period3.2385 days
Semi-major axis0.03700 au
Eccentricity0.000
Incident flux97.616 S⊕
Equilibrium temperature799.0 K
Transit-time σ at 203022.3 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.59 masReflected-light contrast 3.90e-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