Exoplanet
GJ 251 b
18.2 light-years
- Discovery
- Radial Velocity · 2020
- Radius
- 1.79 Earth radii
- Mass
- 3.85 (+0.35 / −0.33) Earth masses
- Orbital period
- 14.237 (+1.5 × 10⁻³ / −1.5 × 10⁻³) days
- Semi-major axis
- 0.0808 (+4.2 × 10⁻³ / −4.2 × 10⁻³) AU
- Equilibrium temperature
- 336 (+1 / −1) 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