Exoplanet
K2-321 b
253.39 light-years
- Discovery
- Transit · 2020
- Radius
- 2.0512 (+0.1681 / −0.1345) Earth radii
- Mass
- 4.86 Earth masses
- Orbital period
- 2.298 (+1.7 × 10⁻⁶ / −1.9 × 10⁻⁶) days
- Semi-major axis
- 0.0284 (+4.8 × 10⁻⁴ / −5 × 10⁻⁴) AU
- Equilibrium temperature
- 830 (+110 / −110) K
- Mass provenance
- M-R relationship
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