User:Kepler-1229b/Kepler-56d

Kepler-56d is an astronomical object of unknown nature that may be an exoplanet or a companion star orbiting Kepler-56. If it exists, its orbital period would be about 899 days. Its equilibrium temperature is expected to be around 307 K. It would have an eccentricity of 0.4, a mass 3.3 times that of Jupiter, and a semi-major axis of 2.16 AU.