Kepler-19 is a Sun-like G-type star (about 0.94 solar masses, 5,541 K, 0.86 solar radii), 219 light-years from Earth. Kepler-19 c was the first planet discovered purely from the transit-timing wobble of another planet, without transiting itself. Kepler-19 b is a 6.1-Earth-mass planet, with an orbital period of 9.3 days, at 0.085 AU from its star, and an equilibrium temperature near 851 K, on an eccentric orbit (e ≈ 0.41), discovered in 2011 via transit. Kepler-19 c is a 13.1-Earth-mass planet, with an orbital period of 28.7 days, on an eccentric orbit (e ≈ 0.21), discovered in 2011 via transit. Kepler-19 d is a 0.07-Jupiter-mass companion, with an orbital period of 63.0 days, discovered in 2017 via radial velocity.

Kepler-19 - System

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