Exoplanet
Kepler-278 c
1,444.97 light-years
- Discovery
- Transit · 2014
- Radius
- 3.268 (+0.067 / −0.067) Earth radii
- Mass
- 34.9 (+9.9 / −21) Earth masses
- Orbital period
- 51.111 (+0.023 / −0.011) days
- Semi-major axis
- 0.287 (+7 × 10⁻³ / −7 × 10⁻³) AU
- Equilibrium temperature
- 492 (+16 / −16) 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