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Exoplanet

BD-17 63 b

112.39 light-years

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Discovery
Radial Velocity · 2008
Radius
12.8 Earth radii
Mass
1,639.9946 (+63.5657 / −63.5657) Earth masses
Orbital period
655.57 (+0.58 / −0.58) days
Semi-major axis
1.34 (+0.02 / −0.02) AU
Equilibrium temperature
168.92 (+5.79 / −5.79) 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