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Public Universe

Exoplanet

HIP 81208 C b

481.19 light-years

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Discovery
Imaging · 2023
Radius
12.3 Earth radii
Mass
4,703.8604 (+127.1314 / −127.1314) Earth masses
Orbital period
1.041 × 10⁵ (+1.0726 × 10⁵ / −4.0934 × 10⁴) days
Semi-major axis
23.04 (+13.88 / −6.55) AU
Equilibrium temperature
2,050 (+35 / −20) 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