Exoplanet
K2-19 b
945.29 light-years
- Discovery
- Transit · 2015
- Radius
- 7 (+0.2 / −0.2) Earth radii
- Mass
- 30.8 (+2.5 / −0.9) Earth masses
- Orbital period
- 7.9193 (+3 × 10⁻⁴ / −2 × 10⁻⁴) days
- Semi-major axis
- 0.0749 (+9.3 × 10⁻⁴ / −9.3 × 10⁻⁴) AU
- Equilibrium temperature
- 857 (+21 / −21) 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