Exoplanet
HD 187123 c
149.88 light-years
- Discovery
- Radial Velocity · 2008
- Radius
- 13.2 Earth radii
- Mass
- 912.1675 (+127.1314 / −133.4879) Earth masses
- Orbital period
- 3,810 (+420 / −420) days
- Semi-major axis
- 4.89 (+0.53 / −0.53) AU
- Equilibrium temperature
- 135.42 (+8.74 / −8.74) 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