Exoplanet
Kepler-444 d
118.85 light-years
- Discovery
- Transit · 2015
- Radius
- 0.53 (+0.022 / −0.019) Earth radii
- Mass
- 0.2 (+0.5 / −0.1) Earth masses
- Orbital period
- 6.1894 (+1.2 × 10⁻⁵ / −1.2 × 10⁻⁵) days
- Semi-major axis
- 0.06 (+1.1 × 10⁻³ / −1.1 × 10⁻³) AU
- Equilibrium temperature
- 783 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