Exoplanet
K2-43 b
595.35 light-years
- Discovery
- Transit · 2016
- Radius
- 4.51 (+0.44 / −0.19) Earth radii
- Mass
- 18.5 Earth masses
- Orbital period
- 3.4711 (+1.04 × 10⁻⁴ / −5.2 × 10⁻⁵) days
- Semi-major axis
- 0.0378 (+6.3 × 10⁻⁴ / −6.3 × 10⁻⁴) AU
- Equilibrium temperature
- 939.3 (+37.7 / −18.5) 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