Discovery date 20 December 2011 Other detection methods Radial velocity | Discoverer(s) Kepler team | |
[Fe/H] 6998200000000000000♠0.02±0.04 Discovery status Conference announcement | ||
Kepler-20b is an exoplanet orbiting Kepler-20. Its radius is about twice that of Earth, with a mass around 9.7 Earth masses. It has a higher density compared to earth and is likely made out of a higher percentage of iron. Along with the other four planets in the system, Kepler-20b was announced on 20 December 2011.
References
Kepler-20b Wikipedia(Text) CC BY-SA