Exoplanet
HD 90156 b
71.59 light-years
- Discovery
- Radial Velocity · 2011
- Radius
- 4.43 Earth radii
- Mass
- 17.98 (+1.46 / −1.46) Earth masses
- Orbital period
- 49.77 (+0.07 / −0.07) days
- Semi-major axis
- 0.25 (+4 × 10⁻³ / −4 × 10⁻³) AU
- Equilibrium temperature
- 518.01 (+7.12 / −7.12) 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