Exoplanet
HD 56957 b
200.56 light-years
- Discovery
- Radial Velocity · 2022
- Radius
- 12.8 Earth radii
- Mass
- 1,880.9085 (+915.028 / −1,279.5772) Earth masses
- Orbital period
- 5,859.0899 (+2,325.9629 / −959.683) days
- Semi-major axis
- 6.426 (+1.564 / −0.867) AU
- Equilibrium temperature
- 145.67 (+14.38 / −14.38) 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