Kepler-434 is a star with 1.2 times the mass of the Sun, and 1.38 times its radius. It is located 3987.39 light years away from the solar system and is estimated to be 4 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
Kepler-434 is known to have 1 exoplanets in orbit around it.
Kepler-434 b was discovered by the Kepler observatory, in 2015-03, using the transit method. Its semi-major axis is 0.11 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of Kepler-434 b is 909.480 times the mass of Earth. The radius of Kepler-434 b is 12.670 that of Earth. At more than 50 Earth masses, Kepler-434 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn in our solar system.