Exoplanet
K2-229 b
334.52 light-years
- Discovery
- Transit · 2018
- Radius
- 1 (+0.02 / −0.02) Earth radii
- Mass
- 2.55 (+0.38 / −0.38) Earth masses
- Orbital period
- 0.5842 (+2.2 × 10⁻⁵ / −2.2 × 10⁻⁵) days
- Semi-major axis
- 0.0131 (+0 / −0) AU
- Equilibrium temperature
- 1,818 (+14 / −15) K
- Mass provenance
- Mass
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