Skip to content
Public Universe

Exoplanet

Kepler-1631 b

4,259.57 light-years

Add to an observing list or journal →
Discovery
Transit · 2016
Radius
1.35 (+0.2 / −0.15) Earth radii
Mass
2.39 Earth masses
Orbital period
4.0951 (+3.048 × 10⁻⁵ / −3.048 × 10⁻⁵) days
Semi-major axis
0.0511 AU
Equilibrium temperature
1,122 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