Gliese 3021 GJ 3021 00 16 12 -79 51 04 17.62 3.90 68.7 355 Gliese 3021 A HD 1237 A HIP 1291 A 0.9 0.9 0.8 6.59 7.335 6.6 5.366 4.990 4.859 0.10 G6 V 5540 Gliese 3021 A b GJ 3021 A b Gj 3021 A b Gl 3021 A b HD 1237 A b HIP 1291 A b Gliese 3021 b GJ 3021 b Gj 3021 b Gl 3021 b HD 1237 b HIP 1291 b Confirmed planets Planets in binary systems, S-type 3.37 133.71 0.49 0.511 The star Gliese 3021 is a binary star in the constellation of Hydrus. RV 14/06/24 2000 Gliese 3021 B HD 1237 B HIP 1291 B 0.13 0.8 M4V Hydrus