Exoplanet
Kepler-1921 b
3,029.96 light-years
- Discovery
- Transit · 2021
- Radius
- 2.8946 Earth radii
- Mass
- 8.72 Earth masses
- Orbital period
- 20.0348 days
- Semi-major axis
- 0.1587 (+2.79 × 10⁻³ / −2.79 × 10⁻³) AU
- Equilibrium temperature
- 967 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