Exoplanet
Barnard e
5.96 light-years
- Discovery
- Radial Velocity · 2025
- Radius
- 0.637 Earth radii
- Mass
- 0.193 (+0.033 / −0.033) Earth masses
- Orbital period
- 6.7392 (+3 × 10⁻³ / −3 × 10⁻³) days
- Semi-major axis
- 0.0381 (+5 × 10⁻⁴ / −5 × 10⁻⁴) AU
- Equilibrium temperature
- 340 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