Exoplanet
HD 20794 d
19.58 light-years
- Discovery
- Radial Velocity · 2011
- Radius
- 2.04 Earth radii
- Mass
- 4.8 (+0.6 / −0.6) Earth masses
- Orbital period
- 89.68 (+0.1 / −0.1) days
- Semi-major axis
- 0.3625 (+1.5 × 10⁻³ / −1.6 × 10⁻³) AU
- Equilibrium temperature
- 388 K
- Mass provenance
- Msin(i)/sin(i)
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