Exoplanet
tau Cet h
11.75 light-years
The archive flags this planet’s confirmation as questioned in the literature.
- Discovery
- Radial Velocity · 2017
- Radius
- 1.19 Earth radii
- Mass
- 1.83 (+0.68 / −0.26) Earth masses
- Orbital period
- 49.41 (+0.08 / −0.1) days
- Semi-major axis
- 0.243 (+3 × 10⁻³ / −3 × 10⁻³) AU
- Equilibrium temperature
- 473.22 (+6.58 / −6.58) K
- Mass provenance
- Msini
Measurements may come from different studies and need not form one self-consistent model. “Msini” is a minimum mass; a mass inferred from radius is an estimate. Equilibrium temperature is a model estimate, not a measured surface temperature or evidence of habitability.
NASA archive record and references ↗
Snapshot retrieved: 2026-10-11T04:15:07.688253+00:00