{"id":10268,"slug":"gj-1289-b","name":"GJ 1289 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":355.7813464,"dec":36.5363314,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":8.35147,"vmag":12.48,"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 1289 b","host_object_id":1915034,"depth":0,"deep_at":null,"views":18,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-10-18T03:30:41.791363+00:00","identifiers":[],"measurements":[{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Moutou et al. 2024","ref_year":2024},{"parameter":"equilibrium_temperature","value":150.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Moutou et al. 2024","ref_year":2024},{"parameter":"mass","value":6.27,"value_text":null,"unit":"M_earth","err_plus":1.23,"err_minus":1.25,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Moutou et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":111.74,"value_text":null,"unit":"d","err_plus":0.73,"err_minus":0.71,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Moutou et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.27,"value_text":null,"unit":"au","err_plus":0.01,"err_minus":0.01,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Moutou et al. 2024","ref_year":2024}],"orbit":null,"exoplanet":{"object_id":10268,"pl_name":"GJ 1289 b","hostname":"GJ 1289","sy_pnum":1,"disc_method":"Radial Velocity","disc_year":2024,"disc_facility":"Multiple Observatories","orbper_d":111.74,"orbsmax_au":0.27,"rade":2.38,"radj":0.213,"masse":6.27,"massj":0.01972763,"dens_gcm3":2.56,"eccen":0.0,"insol":0.0754,"eqt_k":150.0,"st_teff":3296.0,"st_rad":0.245012,"st_mass":0.21,"st_spectype":"M4.5 Ve","sy_dist_pc":8.35147,"updated_at":"2026-10-18T03:30:41.791363+00:00"},"sources":[]}