Exoplanet
HD 144899 b
377.25 light-years
- Discovery
- Radial Velocity · 2022
- Radius
- 4.77 Earth radii
- Mass
- 20.341 (+6.6744 / −5.0853) Earth masses
- Orbital period
- 40.4391 (+0.031 / −0.0498) days
- Semi-major axis
- 0.242 (+0.011 / −0.012) AU
- Equilibrium temperature
- 770.87 (+31.07 / −31.07) K
- Mass provenance
- Msini
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