Skip to content
Public Universe

Exoplanet

Kepler-23 b

2,725.87 light-years

Add to an observing list or journal →
Discovery
Transit · 2011
Radius
1.638 (+0.047 / −0.047) Earth radii
Mass
2.56 (+0.43 / −0.4) Earth masses
Orbital period
7.1 days
Semi-major axis
0.0721 (+5.7 × 10⁻⁴ / −5.7 × 10⁻⁴) AU
Equilibrium temperature
1,157 K
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