Exoplanet
Kepler-299 d
3,431.95 light-years
- Discovery
- Transit · 2014
- Radius
- 1.86 (+0.38 / −0.38) Earth radii
- Mass
- 4.12 Earth masses
- Orbital period
- 15.0548 (+1.89 × 10⁻⁴ / −1.89 × 10⁻⁴) days
- Semi-major axis
- 0.118 AU
- Equilibrium temperature
- 729 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: 2026-10-15T04:15:36.156270+00:00