{"id":7064,"slug":"hd-4203-c","name":"HD 4203 c","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":11.1722288,"dec":20.4483925,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":81.3795,"vmag":8.7,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":12,"simbad_oid":8594420,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 4203 c","host_object_id":1921626,"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 4203c"],"measurements":[{"parameter":"eccentricity","value":0.19,"value_text":null,"unit":null,"err_plus":0.29,"err_minus":0.089,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Rosenthal et al. 2021","ref_year":2021},{"parameter":"eccentricity","value":0.182,"value_text":null,"unit":null,"err_plus":0.124,"err_minus":0.172,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bryan et al. 2016","ref_year":2016},{"parameter":"eccentricity","value":0.24,"value_text":null,"unit":null,"err_plus":0.13,"err_minus":0.13,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kane et al. 2014","ref_year":2014},{"parameter":"mass","value":851.78013076,"value_text":null,"unit":"M_earth","err_plus":314.65012293,"err_minus":76.27881768,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Rosenthal et al. 2021","ref_year":2021},{"parameter":"mass","value":479.9233,"value_text":null,"unit":"M_earth","err_plus":311.4734,"err_minus":181.1631,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bryan et al. 2016","ref_year":2016},{"parameter":"mass","value":689.66,"value_text":null,"unit":"M_earth","err_plus":165.26,"err_minus":165.26,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kane et al. 2014","ref_year":2014},{"parameter":"orbital_period","value":7400.0,"value_text":null,"unit":"d","err_plus":8900.0,"err_minus":1100.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Rosenthal et al. 2021","ref_year":2021},{"parameter":"orbital_period","value":7053.0,"value_text":null,"unit":"d","err_plus":1624.0,"err_minus":2324.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bryan et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":6700.0,"value_text":null,"unit":"d","err_plus":4500.0,"err_minus":4500.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kane et al. 2014","ref_year":2014},{"parameter":"semi_major_axis","value":7.8,"value_text":null,"unit":"au","err_plus":5.4,"err_minus":0.78,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Rosenthal et al. 2021","ref_year":2021},{"parameter":"semi_major_axis","value":6.95,"value_text":null,"unit":"au","err_plus":1.93,"err_minus":0.56,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Kane et al. 2014","ref_year":2014}],"orbit":null,"exoplanet":{"object_id":7064,"pl_name":"HD 4203 c","hostname":"HD 4203","sy_pnum":2,"disc_method":"Radial Velocity","disc_year":2014,"disc_facility":"W. M. Keck Observatory","orbper_d":6700.0,"orbsmax_au":6.95,"rade":13.3,"radj":1.19,"masse":689.66,"massj":2.17,"dens_gcm3":1.61,"eccen":0.24,"insol":0.0406,"eqt_k":124.96,"st_teff":5582.0,"st_rad":1.49795,"st_mass":0.99,"st_spectype":"G5","sy_dist_pc":81.3795,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}