Kepler-22b is an extrasolar planet orbiting G-type star kepler-22 It
is located about 600 light years away from Earth in the constellation of Cgnus. The star it orbits, called simply Kepler-22, is a bit lower mass and cooler than the Sun..and the Red Dwarf Sun is a small and relatively cool star. Red dwarfs range in mass from a low of 0.075 solar masses and have a surface temperature of less than 4,000K..