Exoplanet
Kepler-991 b
1,270.58 light-years
- Discovery
- Transit · 2016
- Radius
- 2.54 (+0.13 / −0.12) Earth radii
- Mass
- 6.99 Earth masses
- Orbital period
- 82.5343 (+3.449 × 10⁻⁴ / −3.449 × 10⁻⁴) days
- Semi-major axis
- 0.3104 AU
- Equilibrium temperature
- 260 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