Skip to content
Public Universe

Exoplanet

Kepler-181 c

1,987.22 light-years

Add to an observing list or journal →
Discovery
Transit · 2014
Radius
1.99 (+0.98 / −0.98) Earth radii
Mass
4.62 Earth masses
Orbital period
4.3021 (+8 × 10⁻⁶ / −8 × 10⁻⁶) days
Semi-major axis
0.049 AU
Equilibrium temperature
937 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