Kepler-20g

Kepler-20g is a non-transiting exoplanet orbiting Kepler-20. Its radius is about twice that of Earth, with a minimum mass 19.96+3.08
−3.61
[1] Earth masses. Kepler-20g was announced on 24 August 2016.

Kepler-20g
Discovery
Discovery date24 August 2016
Radial velocity
Orbital characteristics
0.2055 AU
Eccentricity≤ 0.16
77.61184 d
StarKepler-20 (KOI-070)
Physical characteristics
Mass19.96+3.08
−3.61
[1] M
Temperature524 ± 12 K

    References

    1. 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; et al. (2016). "A 1.9 Earth Radius Rocky Planet and the Discovery of a Non-Transiting Planet in the Kepler-20 System". The Astronomical Journal. 152 (6): 160. arXiv:1608.06836. Bibcode:2016AJ....152..160B. doi:10.3847/0004-6256/152/6/160. S2CID 216077870.


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