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Public Universe

Exoplanet

11 Com b

303.93 light-years

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Discovery
Radial Velocity · 2007
Radius
12.2 Earth radii
Mass
4,914.8985 (+39.0929 / −39.7286) Earth masses
Orbital period
323.21 (+0.06 / −0.05) days
Semi-major axis
1.178 (+0 / −0) AU
Equilibrium temperature
803.26 K
Mass provenance
Msini

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