Exoplanet
Kepler-278 b
1,444.97 light-years
- Discovery
- Transit · 2014
- Radius
- 3.955 (+0.08 / −0.08) Earth radii
- Mass
- 56 (+37 / −13) Earth masses
- Orbital period
- 30.1556 (+4.1 × 10⁻³ / −2 × 10⁻³) days
- Semi-major axis
- 0.202 (+5 × 10⁻³ / −5 × 10⁻³) AU
- Equilibrium temperature
- 586 (+19 / −19) 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