Exoplanet
MOA-2009-BLG-387L b
18,558.3 light-years
- Discovery
- Microlensing · 2010
- Radius
- 13.2 Earth radii
- Mass
- 830 (+1,300 / −510) Earth masses
- Orbital period
- 1,980 (+790 / −590) days
- Semi-major axis
- 1.8 (+0.9 / −0.7) 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