Exoplanet
HD 18143 c
73.46 light-years
- Discovery
- Radial Velocity · 2022
- Radius
- 12.5 Earth radii
- Mass
- 3,177.6484 (+623.2615 / −594.6569) Earth masses
- Orbital period
- 2.8982 × 10⁴ (+1.8265 × 10⁴ / −7,978.1671) days
- Semi-major axis
- 17.53 (+6.587 / −3.447) AU
- Equilibrium temperature
- 54.55 (+7.98 / −7.98) 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