Kepler-20b explained
Kepler-20b |
Discoverer: | Kepler team |
Discovered: | 20 December 2011 |
Discovery Method: | Transit (Kepler Mission) |
Apsis: | astron |
Semimajor: | AU |
Eccentricity: | <0.32 |
Period: | d |
Star: | Kepler-20 (KOI-070) |
Mass: | [1] |
Density: | g cm−3 |
Single Temperature: | 1014K |
Kepler-20b is an exoplanet orbiting Kepler-20 in a system 922 light years from Earth.[2] It is classified as a Super-Earth, as it has a radius and mass greater than that of Earth. At about 1.87, it would most likely be a Mini-Neptune, but its high mass of 9.7 implies that it is an iron-rich rocky world. Along with the other four planets in the system, Kepler-20b was announced on 20 December 2011.
Notes and References
- 1608.06836 . 10.3847/0004-6256/152/6/160 . A 1.9 Earth Radius Rocky Planet and the Discovery of a Non-Transiting Planet in the Kepler-20 System . 2016 . Buchhave . Lars A. . Dressing . Courtney D. . Dumusque . Xavier . Rice . Ken . Vanderburg . Andrew . Mortier . Annelies . Lopez-Morales . Mercedes . Lopez . Eric . Lundkvist . Mia S. . Kjeldsen . Hans . Affer . Laura . Bonomo . Aldo S. . Charbonneau . David . Cameron . Andrew Collier . Cosentino . Rosario . Figueira . Pedro . Fiorenzano . Aldo F. M. . Harutyunyan . Avet . Haywood . Raphaëlle D. . Johnson . John Asher . Latham . David W. . Lovis . Christophe . Malavolta . Luca . Mayor . Michel . Micela . Giusi . Molinari . Emilio . Motalebi . Fatemeh . Nascimbeni . Valerio . Pepe . Francesco . Phillips . David F. . 216077870 . The Astronomical Journal . 152 . 6 . 160 . 2016AJ....152..160B . 29 . free .
- Web site: Exoplanet-catalog. 2021-10-05. Exoplanet Exploration: Planets Beyond our Solar System.