Exoplanet
Kepler-1881 b
3,448.16 light-years
- Discovery
- Transit · 2021
- Radius
- 2.981 Earth radii
- Mass
- 9.17 Earth masses
- Orbital period
- 159.394 days
- Semi-major axis
- 0.5333 (+5.53 × 10⁻³ / −5.53 × 10⁻³) AU
- Equilibrium temperature
- 289 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