Exoplanet
HD 89839 b
186.91 light-years
- Discovery
- Radial Velocity · 2023
- Radius
- 12.8 Earth radii
- Mass
- 1,748.0562 (+200.2319 / −152.5576) Earth masses
- Orbital period
- 3,391.2 (+26.1 / −24.6) days
- Semi-major axis
- 4.713 (+0.045 / −0.045) AU
- Equilibrium temperature
- 159.03 (+3.6 / −3.6) K
- 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