{"id":7976,"slug":"gj-3021-b","name":"GJ 3021 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":4.0634323,"dec":-79.8514218,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":17.5559,"vmag":6.59,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":0,"simbad_oid":null,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"GJ 3021 b","host_object_id":7975,"depth":0,"deep_at":null,"views":3,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":[],"measurements":[{"parameter":"eccentricity","value":0.511,"value_text":null,"unit":null,"err_plus":0.017,"err_minus":0.017,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Naef et al. 2001","ref_year":2001},{"parameter":"equilibrium_temperature","value":350.0,"value_text":null,"unit":"K","err_plus":90.0,"err_minus":90.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Naef et al. 2001","ref_year":2001},{"parameter":"mass","value":1071.04,"value_text":null,"unit":"M_earth","err_plus":28.6,"err_minus":28.6,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Naef et al. 2001","ref_year":2001},{"parameter":"orbital_period","value":133.71,"value_text":null,"unit":"d","err_plus":0.2,"err_minus":0.2,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Naef et al. 2001","ref_year":2001},{"parameter":"semi_major_axis","value":0.49,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Naef et al. 2001","ref_year":2001}],"orbit":null,"exoplanet":{"object_id":7976,"pl_name":"GJ 3021 b","hostname":"GJ 3021","sy_pnum":1,"disc_method":"Radial Velocity","disc_year":2000,"disc_facility":"La Silla Observatory","orbper_d":133.71,"orbsmax_au":0.49,"rade":13.1,"radj":1.17,"masse":1071.04,"massj":3.37,"dens_gcm3":2.62,"eccen":0.511,"insol":2.7517,"eqt_k":350.0,"st_teff":5540.0,"st_rad":0.9,"st_mass":0.9,"st_spectype":"G6 V","sy_dist_pc":17.5559,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}