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Exoplanet

Kepler-55 d

1,887.78 light-years

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Discovery
Transit · 2014
Radius
1.59 (+0.09 / −0.09) Earth radii
Mass
3.15 Earth masses
Orbital period
2.2111 (+4 × 10⁻⁶ / −4 × 10⁻⁶) days
Semi-major axis
0.029 AU
Equilibrium temperature
931 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