Exoplanet
HD 109271 b
182.23 light-years
- Discovery
- Radial Velocity · 2013
- Radius
- 4.31 Earth radii
- Mass
- 17.162 (+1.271 / −1.271) Earth masses
- Orbital period
- 7.8543 (+9 × 10⁻⁴ / −9 × 10⁻⁴) days
- Semi-major axis
- 0.079 (+1 × 10⁻³ / −1 × 10⁻³) AU
- Equilibrium temperature
- 1,128.86 (+16.82 / −16.82) 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