Exoplanet
HD 159243 c
239.09 light-years
- Discovery
- Radial Velocity · 2013
- Radius
- 13.4 Earth radii
- Mass
- 603.9 (+41.32 / −41.32) Earth masses
- Orbital period
- 248.4 (+4.9 / −4.9) days
- Semi-major axis
- 0.8 (+0.02 / −0.02) AU
- Equilibrium temperature
- 349.35 (+9.68 / −9.68) 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