{"id":3190,"slug":"kepler-308-b","name":"Kepler-308 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":295.7852423,"dec":40.4395753,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":1335.92,"vmag":16.019,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":17,"simbad_oid":8584177,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-308 b","host_object_id":2799968,"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":["Kepler-308b"],"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-Q17 DR24 KOI Table","ref_year":2014},{"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":2014},{"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":2014},{"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":2014},{"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":2014},{"parameter":"equilibrium_temperature","value":821.0,"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":2014},{"parameter":"equilibrium_temperature","value":833.0,"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":2014},{"parameter":"equilibrium_temperature","value":833.0,"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":2014},{"parameter":"equilibrium_temperature","value":833.0,"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":2014},{"parameter":"equilibrium_temperature","value":833.0,"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":2014},{"parameter":"orbital_period","value":9.6950179321,"value_text":null,"unit":"d","err_plus":6.237e-05,"err_minus":6.237e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gajdo&scaron; et al. 2019","ref_year":2019},{"parameter":"orbital_period","value":9.69502544,"value_text":null,"unit":"d","err_plus":5.085e-05,"err_minus":5.085e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":9.69502544,"value_text":null,"unit":"d","err_plus":5.085e-05,"err_minus":5.085e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":9.69501146,"value_text":null,"unit":"d","err_plus":4.657e-05,"err_minus":4.657e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":9.69501146,"value_text":null,"unit":"d","err_plus":4.657e-05,"err_minus":4.657e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2014},{"parameter":"orbital_period","value":9.69502544,"value_text":null,"unit":"d","err_plus":5.085e-05,"err_minus":5.085e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":9.69483,"value_text":null,"unit":"d","err_plus":0.00013,"err_minus":0.00013,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":9.69502544,"value_text":null,"unit":"d","err_plus":5.085e-05,"err_minus":5.085e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":9.694928,"value_text":null,"unit":"d","err_plus":9e-05,"err_minus":9e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"radius","value":2.033,"value_text":null,"unit":"R_earth","err_plus":0.219,"err_minus":0.2,"band":null,"method":"Transit","source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":2.13,"value_text":null,"unit":"R_earth","err_plus":0.26,"err_minus":0.18,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":2.12,"value_text":null,"unit":"R_earth","err_plus":1.02,"err_minus":1.02,"band":null,"method":"Transit","source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"radius","value":2.23,"value_text":null,"unit":"R_earth","err_plus":0.92,"err_minus":0.2,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"radius","value":2.2,"value_text":null,"unit":"R_earth","err_plus":1.0,"err_minus":1.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2014},{"parameter":"radius","value":2.23,"value_text":null,"unit":"R_earth","err_plus":0.92,"err_minus":0.2,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"radius","value":2.08,"value_text":null,"unit":"R_earth","err_plus":0.63,"err_minus":0.2,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"radius","value":2.23,"value_text":null,"unit":"R_earth","err_plus":0.92,"err_minus":0.2,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"semi_major_axis","value":0.089,"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":2014},{"parameter":"semi_major_axis","value":0.089,"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":2014},{"parameter":"semi_major_axis","value":0.089,"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":2014},{"parameter":"semi_major_axis","value":0.09,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"semi_major_axis","value":0.089,"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":2014},{"parameter":"semi_major_axis","value":0.089,"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":2014}],"orbit":null,"exoplanet":{"object_id":3190,"pl_name":"Kepler-308 b","hostname":"Kepler-308","sy_pnum":2,"disc_method":"Transit","disc_year":2014,"disc_facility":"Kepler","orbper_d":9.694928,"orbsmax_au":0.09,"rade":2.12,"radj":0.189,"masse":5.14,"massj":0.0162,"dens_gcm3":2.96,"eccen":0.0,"insol":108.64,"eqt_k":833.0,"st_teff":5895.0,"st_rad":0.941,"st_mass":0.92,"st_spectype":null,"sy_dist_pc":1335.92,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}