Exoplanet
K2-280 b
1,277.02 light-years
- Discovery
- Transit · 2018
- Radius
- 7.5 (+0.44 / −0.44) Earth radii
- Mass
- 37.1 (+5.6 / −5.6) Earth masses
- Orbital period
- 19.8953 (+2.8 × 10⁻⁴ / −2.8 × 10⁻⁴) days
- Semi-major axis
- 0.1461 (+9.9 × 10⁻³ / −9.7 × 10⁻³) AU
- Equilibrium temperature
- 787 (+17 / −17) 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