On 22 February 2017, astronomers announced that the planetary system of this star is composed of seven temperate terrestrial planets, of which five (b, c, e, f and g) are similar in size to Earth, and two (d and h) are intermediate in size between Mars and Earth.
O 22 de febreiro do 2017, os astrónomos anunciaron que o sistema planetario desta estrela estaba composto por sete planetas terrestres temperados, dos cales cinco (b), c, e, f e g ) son similares en tamaño á Terra, e dous deles (d e h) son dun tamaño intermedio entre e Terra.