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Public Universe

Exoplanet

BD-210397 c

77.4 light-years

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Discovery
Radial Velocity · 2023
Radius
12.9 Earth radii
Mass
1,525.5764 (+190.697 / −190.697) Earth masses
Orbital period
6,240 (+151 / −156) days
Semi-major axis
5.9 (+0.1 / −0.1) AU
Equilibrium temperature
69.51 (+5.82 / −5.82) 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