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Public Universe

Exoplanet

HIP 107772 b

77.11 light-years

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Discovery
Radial Velocity · 2020
Radius
3.64 Earth radii
Mass
12.9 (+3 / −3) Earth masses
Orbital period
55.199 (+0.083 / −0.083) days
Semi-major axis
0.243 (+0.011 / −0.011) AU
Equilibrium temperature
280.92 (+15.71 / −15.71) 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