Exoplanet
K2-288 B b
214 light-years
- Discovery
- Transit · 2018
- Radius
- 1.9 (+0.3 / −0.3) Earth radii
- Mass
- 4.27 Earth masses
- Orbital period
- 31.3935 (+6.7 × 10⁻⁵ / −6.9 × 10⁻⁵) days
- Semi-major axis
- 0.164 (+0.03 / −0.03) AU
- Equilibrium temperature
- 226.36 (+22.3 / −22.3) 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