Exoplanet
HD 20781 c
117.32 light-years
- Discovery
- Radial Velocity · 2019
- Radius
- 2.17 Earth radii
- Mass
- 5.33 (+0.7 / −0.67) Earth masses
- Orbital period
- 13.8905 (+3.3 × 10⁻³ / −3.4 × 10⁻³) days
- Semi-major axis
- 0.1004 (+4.6 × 10⁻³ / −5.1 × 10⁻³) AU
- Equilibrium temperature
- 730.3 (+20.72 / −20.72) 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