{"id":811,"slug":"hd-102956-b","name":"HD 102956 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":177.8436988,"dec":57.6406584,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":121.89,"vmag":7.86,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":29,"simbad_oid":5386029,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 102956 b","host_object_id":1672816,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":["HD 102956b"],"measurements":[{"parameter":"eccentricity","value":0.037,"value_text":null,"unit":null,"err_plus":0.019,"err_minus":0.019,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Luhn et al. 2019","ref_year":2019},{"parameter":"eccentricity","value":0.05,"value_text":null,"unit":null,"err_plus":0.03,"err_minus":0.03,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.048,"value_text":null,"unit":null,"err_plus":0.027,"err_minus":0.027,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Johnson et al. 2010","ref_year":2010},{"parameter":"mass","value":305.1168,"value_text":null,"unit":"M_earth","err_plus":7.31009,"err_minus":7.31009,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Luhn et al. 2019","ref_year":2019},{"parameter":"mass","value":292.4036,"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":305.1,"value_text":null,"unit":"M_earth","err_plus":15.89,"err_minus":15.89,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Johnson et al. 2010","ref_year":2010},{"parameter":"orbital_period","value":6.4947,"value_text":null,"unit":"d","err_plus":0.00019,"err_minus":0.00019,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Luhn et al. 2019","ref_year":2019},{"parameter":"orbital_period","value":6.4948,"value_text":null,"unit":"d","err_plus":0.0004,"err_minus":0.0004,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":6.495,"value_text":null,"unit":"d","err_plus":0.0004,"err_minus":0.0004,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Johnson et al. 2010","ref_year":2010},{"parameter":"semi_major_axis","value":0.0807,"value_text":null,"unit":"au","err_plus":0.0073,"err_minus":0.0073,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Luhn et al. 2019","ref_year":2019},{"parameter":"semi_major_axis","value":0.08,"value_text":null,"unit":"au","err_plus":0.0,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"semi_major_axis","value":0.081,"value_text":null,"unit":"au","err_plus":0.002,"err_minus":0.002,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Johnson et al. 2010","ref_year":2010}],"orbit":null,"exoplanet":{"object_id":811,"pl_name":"HD 102956 b","hostname":"HD 102956","sy_pnum":1,"disc_method":"Radial Velocity","disc_year":2010,"disc_facility":"W. M. Keck Observatory","orbper_d":6.4947,"orbsmax_au":0.0807,"rade":13.8,"radj":1.23,"masse":305.1168,"massj":0.96,"dens_gcm3":0.638,"eccen":0.037,"insol":1781.1928,"eqt_k":1804.96,"st_teff":4985.0,"st_rad":4.55,"st_mass":1.66,"st_spectype":"G5","sy_dist_pc":121.89,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}