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Public Universe

Exoplanet

K2-354 b

299.16 light-years

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Discovery
Transit · 2021
Radius
1.56 (+0.08 / −0.08) Earth radii
Mass
3.05 Earth masses
Orbital period
3.7933 (+3.24 × 10⁻⁴ / −3.43 × 10⁻⁴) days
Semi-major axis
Unknown
Equilibrium temperature
543 (+8 / −9) 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