Discovery date 20 December 2011 | Discoverer(s) Kepler team | |
[Fe/H] 6998200000000000000♠0.02±0.04 Discovery status Conference announcement | ||
Kepler-20d is an exoplanet orbiting Kepler-20. It has a mass and radius similar to Neptune. Despite being the furthest planet from the star, it has an orbit similar to Mercury, meaning that it is a Hot Neptune. Along with the other four planets in the system, Kepler-20d was announced on December 20, 2011.
References
Kepler-20d Wikipedia(Text) CC BY-SA