Exoplanet
GJ 3988 b
32.32 light-years
- Discovery
- Radial Velocity · 2023
- Radius
- 1.74 Earth radii
- Mass
- 3.69 (+0.42 / −0.41) Earth masses
- Orbital period
- 6.9442 (+1 × 10⁻³ / −1 × 10⁻³) days
- Semi-major axis
- 0.0405 (+1.1 × 10⁻³ / −1.2 × 10⁻³) AU
- Equilibrium temperature
- 348 (+17 / −16) 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