Exoplanet
HD 22946 d
204.76 light-years
- Discovery
- Transit · 2023
- Radius
- 2.607 (+0.06 / −0.06) Earth radii
- Mass
- < 26.57 Earth masses
- Orbital period
- 47.4249 (+1 × 10⁻⁴ / −1.1 × 10⁻⁴) days
- Semi-major axis
- 0.2958 (+4.4 × 10⁻³ / −4.2 × 10⁻³) AU
- Equilibrium temperature
- 546 (+6 / −6) 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