Exoplanet
K2-3 b
143.75 light-years
- Discovery
- Transit · 2015
- Radius
- 2.078 (+0.076 / −0.067) Earth radii
- Mass
- 5.11 (+0.65 / −0.64) Earth masses
- Orbital period
- 10.0547 (+8.8 × 10⁻⁶ / −9.1 × 10⁻⁶) days
- Semi-major axis
- 0.0747 (+1.3 × 10⁻³ / −1.2 × 10⁻³) AU
- Equilibrium temperature
- 501.3 (+5.1 / −5.2) 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