Exoplanet
Kepler-256 d
3,347.77 light-years
- Discovery
- Transit · 2014
- Radius
- 2.48 (+0.63 / −0.63) Earth radii
- Mass
- 6.71 Earth masses
- Orbital period
- 5.8392 (+3.1 × 10⁻⁵ / −3.1 × 10⁻⁵) days
- Semi-major axis
- 0.064 AU
- Equilibrium temperature
- 1,097 K
- Mass provenance
- M-R relationship
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