Exoplanet
HD 177565 b
55.18 light-years
- Discovery
- Radial Velocity · 2017
- Radius
- 4 Earth radii
- Mass
- 15.1 (+6.4 / −6.05) Earth masses
- Orbital period
- 44.505 (+0.586 / −0.293) days
- Semi-major axis
- 0.246 (+0.019 / −0.019) AU
- Equilibrium temperature
- 539.21 (+21.52 / −21.52) 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