Exoplanet
K2-405 b
643.29 light-years
- Discovery
- Transit · 2022
- Radius
- 4.569 (+0.085 / −0.123) Earth radii
- Mass
- 18.9 Earth masses
- Orbital period
- 3.4355 (+3.6 × 10⁻⁵ / −3.1 × 10⁻⁵) days
- Semi-major axis
- Unknown
- Equilibrium temperature
- 969 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