Exoplanet
8 UMi b
530.17 light-years
- Discovery
- Radial Velocity · 2015
- Radius
- 13.5 Earth radii
- Mass
- 524.4169 (+19.0697 / −19.0697) Earth masses
- Orbital period
- 93.31 (+0.06 / −0.06) days
- Semi-major axis
- 0.462 (+6 × 10⁻³ / −6 × 10⁻³) AU
- Equilibrium temperature
- 1,126.38 (+25.45 / −25.45) 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