Exoplanet
Kepler-409b is a super-Earth orbiting Kepler-409, a G-type main-sequence star. Its orbital period around the star is 69 days. Kepler-409b has a radius 1.199 times that of Earth and a mass 6 times that of Earth. Its discovery in 2014 was made through the use of the transit detection method. The transit method was performed by the Kepler space telescope.
Possible exomoon.
In 2020, a possible exomoon was discovered from transit timing variations. Follow-up observations deemed it unlikely.
References.
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