Exoplanet
HD 39194 d
86.15 light-years
- Discovery
- Radial Velocity · 2021
- Radius
- 2.12 Earth radii
- Mass
- 5.16 (+0.59 / −0.59) Earth masses
- Orbital period
- 33.874 (+0.024 / −0.024) days
- Semi-major axis
- 0.1949 (+3.1 × 10⁻³ / −3.1 × 10⁻³) AU
- Equilibrium temperature
- 503.31 (+16.99 / −16.99) 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