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Public Universe

Exoplanet

Kepler-1904 b

883.41 light-years

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Discovery
Transit · 2021
Radius
1.3905 Earth radii
Mass
2.51 Earth masses
Orbital period
4.577 days
Semi-major axis
0.0436 AU
Equilibrium temperature
567 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