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Exoplanet

K2-68 b

550.07 light-years

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Discovery
Transit · 2016
Radius
1.58 (+0.23 / −0.23) Earth radii
Mass
3.12 Earth masses
Orbital period
8.0543 (+8.2 × 10⁻⁴ / −8.2 × 10⁻⁴) days
Semi-major axis
0.0708 (+3.1 × 10⁻³ / −3.1 × 10⁻³) AU
Equilibrium temperature
706.64 (+49.7 / −49.7) 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