Exoplanet
K2-355 b
1,632.4 light-years
- Discovery
- Transit · 2021
- Radius
- 2.25 (+0.22 / −0.16) Earth radii
- Mass
- 5.69 Earth masses
- Orbital period
- 5.7386 (+1.3939 × 10⁻³ / −1.1048 × 10⁻³) days
- Semi-major axis
- 0.0632 (+9.6 × 10⁻³ / −0.0176) AU
- Equilibrium temperature
- 1,066 (+190 / −77) 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