Exoplanet
51 Eri b
97.06 light-years
- Discovery
- Imaging · 2015
- Radius
- Unknown
- Mass
- < 3,464.3296 Earth masses
- Orbital period
- 9,100 (+1,100 / −1,500) days
- Semi-major axis
- 10.4 (+0.8 / −1.1) AU
- Equilibrium temperature
- 807 (+45 / −45) K
- Mass provenance
- Mass
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