|Discovered by||Kepler team|
|Discovery date||20 December 2011|
|Transit (Kepler Mission)|
|0.0930 AU (13,910,000 km)|
|Orbital period||10.854092 d|
−1.08 g cm−3
Kepler-20c is an exoplanet orbiting Kepler-20. It has a mass similar to Neptune but is slightly smaller. Despite being the third-closest planet to Kepler-20, it is still close to the star, meaning that it is a hot Neptune. Along with the other four planets in the system, Kepler-20c was announced on 20 December 2011.
Original source: https://en.wikipedia.org/wiki/ Kepler-20c. Read more