Exoplanet
GJ 3138 b
92.86 light-years
- Discovery
- Radial Velocity · 2017
- Radius
- 1.18 Earth radii
- Mass
- 1.78 (+0.34 / −0.33) Earth masses
- Orbital period
- 1.22 (+6 × 10⁻⁵ / −4 × 10⁻⁵) days
- Semi-major axis
- 0.0197 (+5 × 10⁻⁴ / −5 × 10⁻⁴) AU
- Equilibrium temperature
- 902.98 (+31.73 / −31.73) 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