GJ 682: A Nearby Red Dwarf with Two Known Planets

GJ 682 is an M3.5 V star, a small, cool red dwarf, located 16.3 light-years from Earth. Its reported mass estimate is 0.275 solar masses and its radius estimate is 0.298 solar radii, both smaller than the Sun's. The star's reported temperature is 3240 K, cooler than the Sun's. Two planets are known to orbit this host.

GJ 682 b and GJ 682 c were both discovered in 2014 using the radial velocity method, which measures the wobble a planet's gravity induces in its star's motion. GJ 682 b has a minimum mass of 4.4 Earth masses and an orbital period of 17.5 days, giving it the shortest year among the listed planets. GJ 682 c has a minimum mass of 8.7 Earth masses and an orbital period of 57.3 days, the longest among the listed planets. Among the listed planets, GJ 682 b has the smallest minimum mass and GJ 682 c the largest. Both minimum masses are larger than Earth's.