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Public Universe

Exoplanet

Ross 458 c

37.54 light-years

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Discovery
Imaging · 2010
Radius
14.0113 Earth radii
Mass
1,906.98 Earth masses
Orbital period
Unknown
Semi-major axis
> 1,100 AU
Equilibrium temperature
4.32 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