Exoplanet
HD 154391 b
329.25 light-years
- Discovery
- Radial Velocity · 2023
- Radius
- 12.5 Earth radii
- Mass
- 2,892.2385 (+889.9195 / −603.874) Earth masses
- Orbital period
- 5,163 (+60 / −57) days
- Semi-major axis
- 7.46 (+0.07 / −0.07) AU
- Equilibrium temperature
- 253.57 (+2.17 / −2.17) K
- Mass provenance
- Mass
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