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Exoplanet

K2-16 b

1,092.52 light-years

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Discovery
Transit · 2015
Radius
2.02 (+0.24 / −0.24) Earth radii
Mass
4.74 Earth masses
Orbital period
7.6188 (+8.7 × 10⁻⁴ / −8.7 × 10⁻⁴) days
Semi-major axis
0.0667 (+1.1 × 10⁻³ / −1.1 × 10⁻³) AU
Equilibrium temperature
658 (+19 / −19) K
Mass provenance
M-R relationship

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