{"id":8482,"slug":"hd-180617-b","name":"HD 180617 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":289.2277322,"dec":5.1631615,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":5.91059,"vmag":9.12,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":21,"simbad_oid":13057350,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 180617 b","host_object_id":2159411,"depth":0,"deep_at":null,"views":4,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":["HD 180617b"],"measurements":[{"parameter":"eccentricity","value":0.101,"value_text":null,"unit":null,"err_plus":0.053,"err_minus":0.053,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Burt et al. 2021","ref_year":2021},{"parameter":"eccentricity","value":0.16,"value_text":null,"unit":null,"err_plus":0.05,"err_minus":0.1,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kaminski et al. 2018","ref_year":2018},{"parameter":"mass","value":12.214,"value_text":null,"unit":"M_earth","err_plus":1.05,"err_minus":1.05,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Burt et al. 2021","ref_year":2021},{"parameter":"mass","value":12.2,"value_text":null,"unit":"M_earth","err_plus":1.0,"err_minus":1.4,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kaminski et al. 2018","ref_year":2018},{"parameter":"orbital_period","value":105.911,"value_text":null,"unit":"d","err_plus":0.109,"err_minus":0.109,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Burt et al. 2021","ref_year":2021},{"parameter":"orbital_period","value":105.9,"value_text":null,"unit":"d","err_plus":0.09,"err_minus":0.1,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kaminski et al. 2018","ref_year":2018},{"parameter":"semi_major_axis","value":0.343,"value_text":null,"unit":"au","err_plus":0.004,"err_minus":0.004,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Burt et al. 2021","ref_year":2021},{"parameter":"semi_major_axis","value":0.3357,"value_text":null,"unit":"au","err_plus":0.0099,"err_minus":0.01,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kaminski et al. 2018","ref_year":2018}],"orbit":null,"exoplanet":{"object_id":8482,"pl_name":"HD 180617 b","hostname":"HD 180617","sy_pnum":1,"disc_method":"Radial Velocity","disc_year":2018,"disc_facility":"Calar Alto Observatory","orbper_d":105.911,"orbsmax_au":0.343,"rade":3.53,"radj":0.315,"masse":12.214,"massj":0.03842935,"dens_gcm3":1.53,"eccen":0.101,"insol":0.2751,"eqt_k":201.8,"st_teff":3534.0,"st_rad":0.481,"st_mass":0.484,"st_spectype":"M2.5 V","sy_dist_pc":5.91059,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}