Exoplanet
HD 28109 b
455.35 light-years
- Discovery
- Transit · 2022
- Radius
- 2.69 (+0.23 / −0.23) Earth radii
- Mass
- 6.2 (+1.6 / −1.6) Earth masses
- Orbital period
- 22.8911 (+8.5 × 10⁻⁵ / −9 × 10⁻⁵) days
- Semi-major axis
- 0.1357 (+3.4 × 10⁻³ / −3.4 × 10⁻³) AU
- Equilibrium temperature
- 867 (+16 / −16) 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