Exoplanet
HD 5278 b
187.82 light-years
- Discovery
- Transit · 2021
- Radius
- 2.45 (+0.05 / −0.05) Earth radii
- Mass
- 7.8 (+1.5 / −1.4) Earth masses
- Orbital period
- 14.3392 (+4.9 × 10⁻⁵ / −4.7 × 10⁻⁵) days
- Semi-major axis
- 0.1202 (+1.3 × 10⁻³ / −1.3 × 10⁻³) AU
- Equilibrium temperature
- 943 (+13 / −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