Exoplanet
Kepler-171 d
2,817.52 light-years
- Discovery
- Transit · 2014
- Radius
- 1.89 (+0.9 / −0.9) Earth radii
- Mass
- 4.23 Earth masses
- Orbital period
- 39.5955 (+6.99 × 10⁻⁴ / −6.99 × 10⁻⁴) days
- Semi-major axis
- 0.223 AU
- Equilibrium temperature
- 497 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: 2026-10-14T04:09:17.400719+00:00