Exoplanet
K2-249 b
1,701.61 light-years
- Discovery
- Transit · 2018
- Radius
- 2.79 (+0.27 / −0.22) Earth radii
- Mass
- 8.2 Earth masses
- Orbital period
- 12.409 (+3.37 × 10⁻³ / −2.84 × 10⁻³) days
- Semi-major axis
- 0.1151 (+3 × 10⁻³ / −3.1 × 10⁻³) AU
- Equilibrium temperature
- 1,061 (+66 / −66) 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