Kepler-1651 is a star with 0.52 times the mass of the Sun, and 0.5 times its radius. It is located 216.59 light years away from the solar system.
Kepler-1651 is known to have 1 exoplanets in orbit around it.
Kepler-1651 b was discovered by the Kepler observatory, in 2017-06, using the transit method. Its semi-major axis is 0.07 astronomical units, as compared to Earth's which is 1 astronomical unit. The mass of Kepler-1651 b is 4.039 times the mass of Earth. The radius of Kepler-1651 b is 1.840 that of Earth. At 4.039 Earth masses, Kepler-1651 b is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes. No Super Earths are known to exist in our solar system, but if it exists, the so-called Planet Nine could very well be a super Earth, as it is hypothesized to have a mass between five and ten Earth masses.