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Public Universe

Exoplanet

GJ 9773 b

51.93 light-years

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Discovery
Radial Velocity · 2025
Radius
14.2 Earth radii
Mass
172.5808 (+5.0853 / −5.0853) Earth masses
Orbital period
2,965 (+41 / −37) days
Semi-major axis
2.921 (+0.045 / −0.045) AU
Equilibrium temperature
59.89 (+0.75 / −0.75) 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