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Exoplanet

K2-187 d

1,079.3 light-years

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Discovery
Transit · 2018
Radius
2.4 (+0.3 / −0.3) Earth radii
Mass
6.35 Earth masses
Orbital period
7.1496 (+1.2 × 10⁻⁴ / −1.2 × 10⁻⁴) days
Semi-major axis
0.072 (+9 × 10⁻⁴ / −9 × 10⁻⁴) AU
Equilibrium temperature
865 (+17 / −16) 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