Exoplanet
HD 143361 b
223.46 light-years
- Discovery
- Radial Velocity · 2008
- Radius
- 12.9 Earth radii
- Mass
- 1,382.5536 (+381.3941 / −209.7667) Earth masses
- Orbital period
- 1,039.15 (+1.64 / −1.7) days
- Semi-major axis
- 1.988 (+0.018 / −0.018) AU
- Equilibrium temperature
- 180.26 (+4.13 / −4.13) 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