Skip to content
Public Universe

Exoplanet

HD 141399 c

120.73 light-years

Add to an observing list or journal →
Discovery
Radial Velocity · 2014
Radius
13.6 Earth radii
Mass
422.7139 (+25.4264 / −25.4264) Earth masses
Orbital period
201.99 (+0.08 / −0.08) days
Semi-major axis
0.689 (+0.02 / −0.02) AU
Equilibrium temperature
383.17 (+7.56 / −7.56) K
Mass provenance
Msini

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