Skip to content
Public Universe

Exoplanet

KOINTREAU-4 b

474.34 light-years

Add to an observing list or journal →
Discovery
Imaging · 2026
Radius
12.2 Earth radii
Mass
4,862.7746 (+222.4799 / −254.2627) Earth masses
Orbital period
Unknown
Semi-major axis
182 (+2 / −2) AU
Equilibrium temperature
Unknown
Mass provenance
Mass

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