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Public Universe

Exoplanet

HD 219134 c

21.3 light-years

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Discovery
Radial Velocity · 2015
Radius
1.511 (+0.047 / −0.047) Earth radii
Mass
4.36 (+0.22 / −0.22) Earth masses
Orbital period
6.7646 (+3.3 × 10⁻⁴ / −3.3 × 10⁻⁴) days
Semi-major axis
0.0653 (+8 × 10⁻⁴ / −8 × 10⁻⁴) AU
Equilibrium temperature
782 (+6 / −6) 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