Kepler-20b

Kepler-20b
Descoberta
Data da descoberta20 de dezembro de 2011 (anunciado)
Características orbitais
Semieixo maior0.04537
Excentricidade<0.32
Período orbital (sideral)3.6961219
Inclinação86.50 +0.36
−0.31
EstrelaKepler-20 (KOI-070)
Características físicas
Densidade média6.5 +2.0
−2.7
Temperatura1014
Magnitude aparente12.51

Kepler-20b é um exoplaneta orbitando Kepler-20, constelação da Lyra. Seu raio é cerca de duas vezes o da Terra, mas sua massa é entre 6.5 a 11 massas terrestres. Tem uma densidade semelhante à da Terra. Junto com os outros quatro planetas no sistema, Kepler-20b foi anunciado em 20 de dezembro de 2011.

Ligações externas

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