Finding Earth 2.0
TOI-178 · K

TOI-178 f

Rank #52 of the ranked catalogue · Discovered by Transit in 2021

HZ 100%measured

0.167

Earth-2.0 index

0.700

Earth Similarity Index

100%

Habitable-zone probability

2.42 R⊕

Radius

Planet

Mass5.630 M⊕measured
Bulk density2.216 g/cm³
Orbital period15.2333 days
Semi-major axis0.10390 au
Eccentricity0.000
Incident flux0.607 S⊕
Equilibrium temperature224.4 K
Transit-time σ at 203089.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation1.66 masReflected-light contrast 9.39e-8 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