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Public Universe

Exoplanet

Kepler-888 b

1,372.52 light-years

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Discovery
Transit · 2016
Radius
1.76 (+0.08 / −0.06) Earth radii
Mass
3.75 Earth masses
Orbital period
70.6979 (+3.086 × 10⁻⁴ / −3.086 × 10⁻⁴) days
Semi-major axis
0.3148 (+3.19 × 10⁻³ / −3.19 × 10⁻³) AU
Equilibrium temperature
417 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