Kepler-425 is a star with 0.93 times the mass of the Sun, and 0.86 times its radius. It is located 2109.08 light years away from the solar system and is estimated to be 5 billion years old, as compared to the Sun which is roughly 4.6 billion years old.
Kepler-425 is known to have 1 exoplanets in orbit around it.
Kepler-425 b was discovered by the Kepler observatory, in 2014-12, using the transit method. Its semi-major axis is 0.05 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of Kepler-425 b is 79.500 times the mass of Earth. The radius of Kepler-425 b is 10.962 that of Earth. At more than 50 Earth masses, Kepler-425 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.