Exoplanet
K2-187 b
1,079.3 light-years
- Discovery
- Transit · 2018
- Radius
- 1.2 (+0.2 / −0.2) Earth radii
- Mass
- 1.87 Earth masses
- Orbital period
- 0.774 (+8.3 × 10⁻⁵ / −8.3 × 10⁻⁵) days
- Semi-major axis
- 0.0164 (+2 × 10⁻⁴ / −2 × 10⁻⁴) AU
- Equilibrium temperature
- 1,815 (+35 / −35) 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