{"id":2556,"slug":"hd-118203-b","name":"HD 118203 b","domain":"exoplanet","class":"exoplanet","otype":"Pl","otype_label":"Planet","ra":203.509956,"dec":53.7281876,"coo_err_mas":0.0144,"coo_bibcode":"2020yCat.1350....0G","plx_mas":10.8643,"pmra":-85.849,"pmdec":-78.888,"rv_kms":null,"redshift":null,"dist_pc":92.2589,"vmag":8.05,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":58,"simbad_oid":3775359,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"HD 118203 b","host_object_id":1673269,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-09-13T03:31:17.289698+00:00","identifiers":["HD 118203b"],"measurements":[{"parameter":"eccentricity","value":0.316,"value_text":null,"unit":null,"err_plus":0.02,"err_minus":0.02,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2024","ref_year":2024},{"parameter":"eccentricity","value":0.314,"value_text":null,"unit":null,"err_plus":0.017,"err_minus":0.017,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Knudstrup et al. 2024","ref_year":2024},{"parameter":"eccentricity","value":0.3136,"value_text":null,"unit":null,"err_plus":0.0075,"err_minus":0.0075,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Zhang et al. 2024","ref_year":2024},{"parameter":"eccentricity","value":0.301,"value_text":null,"unit":null,"err_plus":0.006,"err_minus":0.006,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Maciejewski et al. 2024","ref_year":2024},{"parameter":"eccentricity","value":0.314,"value_text":null,"unit":null,"err_plus":0.017,"err_minus":0.017,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Pepper et al. 2020","ref_year":2020},{"parameter":"eccentricity","value":0.31,"value_text":null,"unit":null,"err_plus":0.01,"err_minus":0.01,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"eccentricity","value":0.309,"value_text":null,"unit":null,"err_plus":0.014,"err_minus":0.014,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"da Silva et al. 2006","ref_year":2006},{"parameter":"equilibrium_temperature","value":1361.0,"value_text":null,"unit":"K","err_plus":23.0,"err_minus":22.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Zhang et al. 2024","ref_year":2024},{"parameter":"equilibrium_temperature","value":1360.0,"value_text":null,"unit":"K","err_plus":23.0,"err_minus":23.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2024","ref_year":2024},{"parameter":"equilibrium_temperature","value":1371.0,"value_text":null,"unit":"K","err_plus":16.0,"err_minus":17.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Maciejewski et al. 2024","ref_year":2024},{"parameter":"equilibrium_temperature","value":1494.0,"value_text":null,"unit":"K","err_plus":25.0,"err_minus":25.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Pepper et al. 2020","ref_year":2020},{"parameter":"equilibrium_temperature","value":1509.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"ExoFOP","ref_year":2005},{"parameter":"mass","value":693.50158407,"value_text":null,"unit":"M_earth","err_plus":10.48833743,"err_minus":10.48833743,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Maciejewski et al. 2024","ref_year":2024},{"parameter":"mass","value":680.15279098,"value_text":null,"unit":"M_earth","err_plus":38.13940884,"err_minus":38.13940884,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Zhang et al. 2024","ref_year":2024},{"parameter":"mass","value":725.28442477,"value_text":null,"unit":"M_earth","err_plus":14.30227832,"err_minus":14.30227832,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2024","ref_year":2024},{"parameter":"mass","value":689.68764319,"value_text":null,"unit":"M_earth","err_plus":22.24798849,"err_minus":25.42627256,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Knudstrup et al. 2024","ref_year":2024},{"parameter":"mass","value":688.41632956,"value_text":null,"unit":"M_earth","err_plus":23.51930212,"err_minus":25.10844415,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Pepper et al. 2020","ref_year":2020},{"parameter":"mass","value":886.7457,"value_text":null,"unit":"M_earth","err_plus":79.4575,"err_minus":79.4575,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"mass","value":677.0,"value_text":null,"unit":"M_earth","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"da Silva et al. 2006","ref_year":2006},{"parameter":"orbital_period","value":6.1349847,"value_text":null,"unit":"d","err_plus":2e-06,"err_minus":2e-06,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":6.13499,"value_text":null,"unit":"d","err_plus":3e-05,"err_minus":3e-05,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Knudstrup et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":6.1349779,"value_text":null,"unit":"d","err_plus":2e-06,"err_minus":2e-06,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Zhang et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":6.134989,"value_text":null,"unit":"d","err_plus":1.3e-06,"err_minus":1.3e-06,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Maciejewski et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":6.134985,"value_text":null,"unit":"d","err_plus":2.9e-05,"err_minus":3e-05,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Pepper et al. 2020","ref_year":2020},{"parameter":"orbital_period","value":6.1335,"value_text":null,"unit":"d","err_plus":0.0006,"err_minus":0.0006,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Stassun et al. 2017","ref_year":2017},{"parameter":"orbital_period","value":6.1335,"value_text":null,"unit":"d","err_plus":0.0006,"err_minus":0.0006,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"da Silva et al. 2006","ref_year":2006},{"parameter":"orbital_period","value":6.1349783,"value_text":null,"unit":"d","err_plus":1.65e-05,"err_minus":1.65e-05,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"ExoFOP","ref_year":2005},{"parameter":"radius","value":12.55405838,"value_text":null,"unit":"R_earth","err_plus":1.00880826,"err_minus":1.00880826,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Maciejewski et al. 2024","ref_year":2024},{"parameter":"radius","value":12.778238,"value_text":null,"unit":"R_earth","err_plus":0.32506044,"err_minus":0.32506044,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Zhang et al. 2024","ref_year":2024},{"parameter":"radius","value":12.06086323,"value_text":null,"unit":"R_earth","err_plus":0.39231432,"err_minus":0.39231432,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2024","ref_year":2024},{"parameter":"radius","value":12.778238,"value_text":null,"unit":"R_earth","err_plus":0.33626942,"err_minus":0.33626942,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Knudstrup et al. 2024","ref_year":2024},{"parameter":"radius","value":12.73340208,"value_text":null,"unit":"R_earth","err_plus":0.32506044,"err_minus":0.31385146,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Pepper et al. 2020","ref_year":2020},{"parameter":"radius","value":13.1383,"value_text":null,"unit":"R_earth","err_plus":0.760486,"err_minus":0.760486,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"ExoFOP","ref_year":2005},{"parameter":"semi_major_axis","value":0.08635,"value_text":null,"unit":"au","err_plus":0.00057,"err_minus":0.00057,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Castro-González et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.0713,"value_text":null,"unit":"au","err_plus":0.002,"err_minus":0.002,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Zhang et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.0701,"value_text":null,"unit":"au","err_plus":0.0004,"err_minus":0.0004,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Maciejewski et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.07071,"value_text":null,"unit":"au","err_plus":0.00099,"err_minus":0.0011,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Pepper et al. 2020","ref_year":2020},{"parameter":"semi_major_axis","value":0.07,"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":0.07,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"da Silva et al. 2006","ref_year":2006}],"orbit":null,"exoplanet":{"object_id":2556,"pl_name":"HD 118203 b","hostname":"HD 118203","sy_pnum":2,"disc_method":"Radial Velocity","disc_year":2005,"disc_facility":"Haute-Provence Observatory","orbper_d":6.1349779,"orbsmax_au":0.0713,"rade":12.778238,"radj":1.14,"masse":680.15279098,"massj":2.14,"dens_gcm3":1.79,"eccen":0.3136,"insol":593.4,"eqt_k":1361.0,"st_teff":5742.0,"st_rad":2.04,"st_mass":1.27,"st_spectype":"K0 IV","sy_dist_pc":92.2589,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}