Exoplanet
HD 152581 b
540.64 light-years
- Discovery
- Radial Velocity · 2011
- Radius
- 13.4 Earth radii
- Mass
- 594.0243 (+22.5659 / −22.5659) Earth masses
- Orbital period
- 686.5 (+4.8 / −4.8) days
- Semi-major axis
- 1.66 (+0.3 / −0.3) AU
- Equilibrium temperature
- 426.55 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