High Quality Content by WIKIPEDIA articles! Kepler-11 is a sun-like star slightly larger than the Sun in the constellation Cygnus, located some 2,000 light years from Earth. It is located within the field of vision of the Kepler spacecraft, the satellite that NASA`s Kepler Mission uses to detect planets that may be transiting their stars. Announced on February 2, 2011, the star system is the most compact yet discovered and is the flattest known. It is the first discovered case of a star system with six transiting planets. All discovered planets are larger than Earth, with the larger ones being about Neptune`s size.