Exoplanet
HD 219134 d
21.3 light-years
- Discovery
- Radial Velocity · 2015
- Radius
- > 1.61 Earth radii
- Mass
- > 16.17 Earth masses
- Orbital period
- 46.859 (+0.028 / −0.028) days
- Semi-major axis
- 0.237 (+3 × 10⁻³ / −3 × 10⁻³) AU
- Equilibrium temperature
- 410.5 (+3.2 / −3.2) 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