{"id":7791,"slug":"kepler-398-d","name":"Kepler-398 d","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":291.4688524,"dec":40.3437001,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":177.355,"vmag":13.499,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":16,"simbad_oid":9370448,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-398 d","host_object_id":2841973,"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":["Kepler-398d"],"measurements":[{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"eccentricity","value":0.0,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":643.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":606.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":636.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":643.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":643.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":6.8344464721,"value_text":null,"unit":"d","err_plus":1.17295e-05,"err_minus":1.17295e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gajdoš et al. 2019","ref_year":2019},{"parameter":"orbital_period","value":6.83438868,"value_text":null,"unit":"d","err_plus":3.81e-06,"err_minus":3.81e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Holczer et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":6.83437001,"value_text":null,"unit":"d","err_plus":1.518e-05,"err_minus":1.518e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":6.834378,"value_text":null,"unit":"d","err_plus":1.6e-05,"err_minus":1.6e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":6.83440674,"value_text":null,"unit":"d","err_plus":1.924e-05,"err_minus":1.924e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2016},{"parameter":"orbital_period","value":6.83437001,"value_text":null,"unit":"d","err_plus":1.518e-05,"err_minus":1.518e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":6.83437001,"value_text":null,"unit":"d","err_plus":1.518e-05,"err_minus":1.518e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":6.83437001,"value_text":null,"unit":"d","err_plus":1.518e-05,"err_minus":1.518e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":6.83440674,"value_text":null,"unit":"d","err_plus":1.924e-05,"err_minus":1.924e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"radius","value":1.039,"value_text":null,"unit":"R_earth","err_plus":0.067,"err_minus":0.191,"band":null,"method":"Transit","source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":0.85,"value_text":null,"unit":"R_earth","err_plus":0.07,"err_minus":0.07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"radius","value":0.85,"value_text":null,"unit":"R_earth","err_plus":0.07,"err_minus":0.07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"radius","value":0.88,"value_text":null,"unit":"R_earth","err_plus":0.03,"err_minus":0.04,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":0.85,"value_text":null,"unit":"R_earth","err_plus":0.07,"err_minus":0.07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"radius","value":0.74,"value_text":null,"unit":"R_earth","err_plus":0.25,"err_minus":0.25,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"radius","value":1.01,"value_text":null,"unit":"R_earth","err_plus":0.07,"err_minus":0.03,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.0618,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.0626,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.061,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.0626,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.0626,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016}],"orbit":null,"exoplanet":{"object_id":7791,"pl_name":"Kepler-398 d","hostname":"Kepler-398","sy_pnum":3,"disc_method":"Transit","disc_year":2016,"disc_facility":"Kepler","orbper_d":6.83437001,"orbsmax_au":0.0618,"rade":0.88,"radj":0.07850834,"masse":0.615,"massj":0.00193,"dens_gcm3":4.96,"eccen":0.0,"insol":40.831,"eqt_k":636.0,"st_teff":4557.0,"st_rad":0.67,"st_mass":0.72,"st_spectype":null,"sy_dist_pc":177.355,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}