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Public Universe

Exoplanet

HR 810 b

56.48 light-years

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Discovery
Radial Velocity · 1999
Radius
12.7 Earth radii
Mass
1,970.5361 (+158.9142 / −158.9142) Earth masses
Orbital period
302.8 (+2.3 / −2.3) days
Semi-major axis
0.92 (+0.02 / −0.02) AU
Equilibrium temperature
329.57 (+4.79 / −4.79) 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