Exoplanet
Kepler-861 b
2,773.4 light-years
- Discovery
- Transit · 2016
- Radius
- 2.28 (+0.12 / −0.13) Earth radii
- Mass
- 5.82 Earth masses
- Orbital period
- 3.9496 (+5.49 × 10⁻⁶ / −5.49 × 10⁻⁶) days
- Semi-major axis
- 0.0463 AU
- Equilibrium temperature
- 966 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