Exoplanet
HD 29399 b
144 light-years
- Discovery
- Radial Velocity · 2022
- Radius
- 13.5 Earth radii
- Mass
- 498.9906 (+34.9611 / −34.9611) Earth masses
- Orbital period
- 892.7 (+5.9 / −5.9) days
- Semi-major axis
- 1.913 (+8 × 10⁻³ / −8 × 10⁻³) AU
- Equilibrium temperature
- 358.32 (+5.88 / −5.88) 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