Finding Earth 2.0
TOI-201 · F

TOI-201 c

Rank #1798 of the ranked catalogue · Discovered by Transit Timing Variations in 2025

HZ 0%measured

0.098

Earth-2.0 index

0.264

Earth Similarity Index

0%

Habitable-zone probability

10.40 R⊕

Radius

Planet

Mass4990.000 M⊕measured
Bulk density24.000 g/cm³
Orbital period2890.0000 days
Semi-major axis4.37000 au
Eccentricity0.651
Incident flux0.137 S⊕
Equilibrium temperature154.6 K
Transit-time σ at 203028800.0 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation38.39 masReflected-light contrast 9.83e-10 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 coverage83%0% median composite-to-default difference over shared parameters.

Host star & system

HostTOI-201
Spectral typeF
Effective temperature6423 K
Radius1.310 R☉
Mass1.320 M☉
Distance113.8 pc / 371.2 ly
DiscoveryTransit Timing Variations, 2025