{"id":5846,"slug":"hd-134987-b","name":"HD 134987 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":228.3675397,"dec":-25.3096721,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":26.1804,"vmag":6.47,"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":"HD 134987 b","host_object_id":2104377,"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":0.2281,"value_text":null,"unit":null,"err_plus":0.0078,"err_minus":0.0077,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Rosenthal et al. 2021","ref_year":2021},{"parameter":"eccentricity","value":0.23,"value_text":null,"unit":null,"err_plus":0.0,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.233,"value_text":null,"unit":null,"err_plus":0.002,"err_minus":0.002,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Jones et al. 2010","ref_year":2010},{"parameter":"eccentricity","value":0.243,"value_text":null,"unit":null,"err_plus":0.011,"err_minus":0.011,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Butler et al. 2006","ref_year":2006},{"parameter":"eccentricity","value":0.37,"value_text":null,"unit":null,"err_plus":0.12,"err_minus":0.12,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Butler et al. 2001","ref_year":2001},{"parameter":"mass","value":516.15333297,"value_text":null,"unit":"M_earth","err_plus":15.57359194,"err_minus":15.89142035,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Rosenthal et al. 2021","ref_year":2021},{"parameter":"mass","value":511.7063,"value_text":null,"unit":"M_earth","err_plus":22.2481,"err_minus":22.2481,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"mass","value":505.0,"value_text":null,"unit":"M_earth","err_plus":6.0,"err_minus":6.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Jones et al. 2010","ref_year":2010},{"parameter":"mass","value":514.9,"value_text":null,"unit":"M_earth","err_plus":41.3,"err_minus":41.3,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Butler et al. 2006","ref_year":2006},{"parameter":"mass","value":518.0629,"value_text":null,"unit":"M_earth","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Butler et al. 2001","ref_year":2001},{"parameter":"orbital_period","value":258.251,"value_text":null,"unit":"d","err_plus":0.042,"err_minus":0.043,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Rosenthal et al. 2021","ref_year":2021},{"parameter":"orbital_period","value":258.17999,"value_text":null,"unit":"d","err_plus":0.07,"err_minus":0.07,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":258.19,"value_text":null,"unit":"d","err_plus":0.07,"err_minus":0.07,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Jones et al. 2010","ref_year":2010},{"parameter":"orbital_period","value":258.31,"value_text":null,"unit":"d","err_plus":0.16,"err_minus":0.16,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Butler et al. 2006","ref_year":2006},{"parameter":"orbital_period","value":264.6,"value_text":null,"unit":"d","err_plus":5.0,"err_minus":5.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Butler et al. 2001","ref_year":2001},{"parameter":"semi_major_axis","value":0.818,"value_text":null,"unit":"au","err_plus":0.012,"err_minus":0.012,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Rosenthal et al. 2021","ref_year":2021},{"parameter":"semi_major_axis","value":0.81,"value_text":null,"unit":"au","err_plus":0.02,"err_minus":0.02,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"semi_major_axis","value":0.81,"value_text":null,"unit":"au","err_plus":0.02,"err_minus":0.02,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Jones et al. 2010","ref_year":2010},{"parameter":"semi_major_axis","value":0.82,"value_text":null,"unit":"au","err_plus":0.047,"err_minus":0.047,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Butler et al. 2006","ref_year":2006},{"parameter":"semi_major_axis","value":0.82,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Butler et al. 2001","ref_year":2001}],"orbit":null,"exoplanet":{"object_id":5846,"pl_name":"HD 134987 b","hostname":"HD 134987","sy_pnum":2,"disc_method":"Radial Velocity","disc_year":1999,"disc_facility":"W. M. Keck Observatory","orbper_d":258.17999,"orbsmax_au":0.81,"rade":13.5,"radj":1.21,"masse":511.7063,"massj":1.61,"dens_gcm3":1.14,"eccen":0.23,"insol":2.7435,"eqt_k":339.45,"st_teff":5736.0,"st_rad":1.22,"st_mass":1.1,"st_spectype":"G5 V","sy_dist_pc":26.1804,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}