Exoplanet
HD 203030 b
128.02 light-years
- Discovery
- Imaging · 2006
- Radius
- 14.4596 (+0.6725 / −0.4484) Earth radii
- Mass
- 3,496.1125 (+1,271.3136 / −953.4852) Earth masses
- Orbital period
- Unknown
- Semi-major axis
- 487.1 (+1.8 / −1.8) AU
- Equilibrium temperature
- 1,040 (+50 / −50) 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