Exoplanet
GJ 3378 b
25.19 light-years
- Discovery
- Radial Velocity · 2026
- Radius
- 1.32 Earth radii
- Mass
- 2.3 (+0.4 / −0.4) Earth masses
- Orbital period
- 21.45 (+0.01 / −0.01) days
- Semi-major axis
- 0.0967 (+8 × 10⁻⁴ / −8 × 10⁻⁴) AU
- Equilibrium temperature
- 272 (+7 / −7) 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