Exoplanet
HD 188641 b
209.85 light-years
- Discovery
- Radial Velocity · 2022
- Radius
- 11.9 Earth radii
- Mass
- 9,333.0312 (+1,901.8852 / −1,179.779) Earth masses
- Orbital period
- 1.4584 × 10⁴ (+3,328.2099 / −2,616.2679) days
- Semi-major axis
- 12.027 (+1.897 / −1.567) AU
- Equilibrium temperature
- 114.36 (+8.76 / −8.76) 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