Exoplanet
HD 109286 b
180.74 light-years
- Discovery
- Radial Velocity · 2021
- Radius
- 13.2 Earth radii
- Mass
- 950.3069 (+47.6743 / −47.6743) Earth masses
- Orbital period
- 520.1 (+2.3 / −2.3) days
- Semi-major axis
- 1.259 (+0.021 / −0.022) AU
- Equilibrium temperature
- 259.4 (+5.5 / −5.5) 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