Exoplanet
KMT-2021-BLG-1391L b
18,656.14 light-years
- Discovery
- Microlensing · 2022
- Radius
- 1.97 Earth radii
- Mass
- 4.55 (+2.31 / −2.31) Earth masses
- Orbital period
- Unknown
- Semi-major axis
- 2.29 (+0.56 / −0.71) AU
- Equilibrium temperature
- Unknown
- Mass provenance
- Mass
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