Exoplanet
HIP 21152 b
141.58 light-years
- Discovery
- Imaging · 2022
- Radius
- 12 Earth radii
- Mass
- 7,627.8818 (+1,906.9704 / −1,271.3136) Earth masses
- Orbital period
- 2.2 × 10⁴ (+1.1 × 10⁴ / −5,800) days
- Semi-major axis
- 17 (+5 / −4) AU
- Equilibrium temperature
- 1,300 (+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