Exoplanet
HD 81040 b
112.31 light-years
- Discovery
- Radial Velocity · 2005
- Radius
- 12.6 Earth radii
- Mass
- 2,301.0777 (+317.8284 / −117.5965) Earth masses
- Orbital period
- 1,002.7 (+4 / −3.4) days
- Semi-major axis
- 1.946 (+0.014 / −0.014) AU
- Equilibrium temperature
- 189.77 (+1.41 / −1.41) 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