Exoplanet
Kepler-1861 b
2,707.05 light-years
- Discovery
- Transit · 2021
- Radius
- 2.2068 Earth radii
- Mass
- 5.5 Earth masses
- Orbital period
- 40.0306 days
- Semi-major axis
- 0.2408 (+1.97 × 10⁻³ / −1.97 × 10⁻³) AU
- Equilibrium temperature
- 617 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