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Exoplanet

Kepler-55 b

1,887.78 light-years

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Discovery
Transit · 2012
Radius
2.43 Earth radii
Mass
43 (+37.2 / −18) Earth masses
Orbital period
27.9481 (+2.4 × 10⁻⁴ / −2.4 × 10⁻⁴) days
Semi-major axis
0.1593 AU
Equilibrium temperature
400 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