Exoplanet
HD 156668 c
79.36 light-years
- Discovery
- Radial Velocity · 2021
- Radius
- 6.17 Earth radii
- Mass
- 31.4968 (+2.5108 / −2.4473) Earth masses
- Orbital period
- 811.3 (+5.2 / −5.3) days
- Semi-major axis
- 1.57 (+0.017 / −0.017) AU
- Equilibrium temperature
- 166.08 (+2.57 / −2.57) 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