Exoplanet
K2-86 b
843.76 light-years
- Discovery
- Transit · 2016
- Radius
- 1.96 (+0.27 / −0.27) Earth radii
- Mass
- 4.5 Earth masses
- Orbital period
- 8.7768 (+9.8 × 10⁻⁴ / −9.8 × 10⁻⁴) days
- Semi-major axis
- 0.077 (+2.6 × 10⁻³ / −2.6 × 10⁻³) AU
- Equilibrium temperature
- 830.49 (+63.45 / −63.45) 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