Exoplanet
MOA-2011-BLG-291L b
14,350.88 light-years
- Discovery
- Microlensing · 2018
- Radius
- 4.43 Earth radii
- Mass
- 18 (+34 / −12) Earth masses
- Orbital period
- Unknown
- Semi-major axis
- 0.69 (+0.24 / −0.24) 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