Skip to content
Public Universe

Exoplanet

K2-406 b

278.46 light-years

Add to an observing list or journal →
Discovery
Transit · 2022
Radius
4.602 (+0.311 / −0.292) Earth radii
Mass
19.2 Earth masses
Orbital period
22.5494 (+1.377 × 10⁻³ / −1.433 × 10⁻³) days
Semi-major axis
Unknown
Equilibrium temperature
Unknown
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