Exoplanet
KMT-2023-BLG-2209L b
18,166.91 light-years
- Discovery
- Microlensing · 2025
- Radius
- 13.9 Earth radii
- Mass
- 254.2627 (+120.7748 / −120.7748) Earth masses
- Orbital period
- Unknown
- Semi-major axis
- 3.51 (+0.95 / −1.12) 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