Exoplanet
K2-238 b
1,754.6 light-years
- Discovery
- Transit · 2018
- Radius
- 14.5717 (+1.6814 / −1.5693) Earth radii
- Mass
- 273.3338 (+41.3179 / −38.1396) Earth masses
- Orbital period
- 3.2047 (+3 × 10⁻⁵ / −3 × 10⁻⁵) days
- Semi-major axis
- 0.046 (+7 × 10⁻³ / −6 × 10⁻³) AU
- Equilibrium temperature
- 1,587 (+75 / −76) 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