Exoplanet
HD 181433 d
87.66 light-years
- Discovery
- Radial Velocity · 2008
- Radius
- 13.2 Earth radii
- Mass
- 858.1367 (+540.3083 / −635.6568) Earth masses
- Orbital period
- 6,896.1 (+102.7 / −123.7) days
- Semi-major axis
- 6.74 (+0.18 / −0.18) AU
- Equilibrium temperature
- 81.19 (+1.23 / −1.23) 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