Exoplanet
HD 216520 b
63.77 light-years
- Discovery
- Radial Velocity · 2020
- Radius
- 3.18 Earth radii
- Mass
- 10.26 (+0.99 / −0.99) Earth masses
- Orbital period
- 35.45 (+0.011 / −0.011) days
- Semi-major axis
- 0.198 (+4 × 10⁻⁴ / −4 × 10⁻⁴) AU
- Equilibrium temperature
- 482.1 (+2.96 / −2.96) K
- Mass provenance
- Msini
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