Exoplanet
HD 89307 b
104.4 light-years
- Discovery
- Radial Velocity · 2009
- Radius
- 13.4 Earth radii
- Mass
- 642.0134 (+85.8137 / −47.6743) Earth masses
- Orbital period
- 2,166 (+38 / −38) days
- Semi-major axis
- 3.27 (+0.07 / −0.07) AU
- Equilibrium temperature
- 166.55 (+1.98 / −1.98) 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