Finding Earth 2.0
CI Tau · K7

CI Tau c

Rank #2775 of the ranked catalogue · Discovered by Radial Velocity in 2024

HZ 1%M sin i

0.090

Earth-2.0 index

0.270

Earth Similarity Index

1%

Habitable-zone probability

13.00 R⊕

Radius

Planet

Mass1144.182 M⊕M sin i
Bulk density2.860 g/cm³
Orbital period25.2000 days
Semi-major axis0.17000 au
Eccentricity0.580
Incident flux19.254 S⊕
Equilibrium temperature532.5 K
Maximum angular separation1.08 masReflected-light contrast 1.02e-6 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources5 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage42%0% median composite-to-default difference over shared parameters.

Host star & system

HostCI Tau
Spectral typeK7
Effective temperature3807 K
Radius1.881 R☉
Mass0.900 M☉
Distance158.0 pc / 515.3 ly
DiscoveryRadial Velocity, 2024