Exoplanet
Kepler-53 d
4,455.52 light-years
- Discovery
- Transit · 2014
- Radius
- 2.12 (+1.05 / −1.05) Earth radii
- Mass
- < 166.503 Earth masses
- Orbital period
- 9.752 (+7.7 × 10⁻⁵ / −7.7 × 10⁻⁵) days
- Semi-major axis
- 0.091 AU
- Equilibrium temperature
- 870 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