{"id":3405,"slug":"kepler-304-c","name":"Kepler-304 c","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":294.4418031,"dec":40.5575408,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":434.684,"vmag":15.065,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":23,"simbad_oid":8584166,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-304 c","host_object_id":2799966,"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":["Kepler-304c"],"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-Q16 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-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-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 DR24 KOI Table","ref_year":2014},{"parameter":"equilibrium_temperature","value":746.0,"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":"equilibrium_temperature","value":864.0,"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":864.0,"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":748.0,"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":864.0,"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":"orbital_period","value":5.3159475803,"value_text":null,"unit":"d","err_plus":5.1249e-06,"err_minus":5.1249e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gajdoš et al. 2019","ref_year":2019},{"parameter":"orbital_period","value":5.315953474,"value_text":null,"unit":"d","err_plus":4.776e-06,"err_minus":4.776e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"orbital_period","value":5.31595326,"value_text":null,"unit":"d","err_plus":1.04e-06,"err_minus":1.04e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Holczer et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":5.315953474,"value_text":null,"unit":"d","err_plus":4.776e-06,"err_minus":4.776e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":5.315954488,"value_text":null,"unit":"d","err_plus":6.638e-06,"err_minus":6.638e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2014},{"parameter":"orbital_period","value":5.315953474,"value_text":null,"unit":"d","err_plus":4.776e-06,"err_minus":4.776e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":5.315953474,"value_text":null,"unit":"d","err_plus":4.776e-06,"err_minus":4.776e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":5.315954488,"value_text":null,"unit":"d","err_plus":6.638e-06,"err_minus":6.638e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":5.315946,"value_text":null,"unit":"d","err_plus":7e-06,"err_minus":7e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"orbital_period","value":5.315965,"value_text":null,"unit":"d","err_plus":1.7e-05,"err_minus":1.7e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":5.315953474,"value_text":null,"unit":"d","err_plus":4.776e-06,"err_minus":4.776e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"radius","value":2.046,"value_text":null,"unit":"R_earth","err_plus":0.094,"err_minus":0.094,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"radius","value":2.222,"value_text":null,"unit":"R_earth","err_plus":0.281,"err_minus":0.225,"band":null,"method":"Transit","source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":2.32,"value_text":null,"unit":"R_earth","err_plus":0.11,"err_minus":0.07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":2.8,"value_text":null,"unit":"R_earth","err_plus":5.8,"err_minus":0.33,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"radius","value":2.17,"value_text":null,"unit":"R_earth","err_plus":0.15,"err_minus":0.15,"band":null,"method":"Transit","source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"radius","value":2.6,"value_text":null,"unit":"R_earth","err_plus":1.7,"err_minus":1.7,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2014},{"parameter":"radius","value":2.8,"value_text":null,"unit":"R_earth","err_plus":5.8,"err_minus":0.33,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"radius","value":2.33,"value_text":null,"unit":"R_earth","err_plus":0.17,"err_minus":0.08,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"radius","value":2.8,"value_text":null,"unit":"R_earth","err_plus":5.8,"err_minus":0.33,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"semi_major_axis","value":0.05388,"value_text":null,"unit":"au","err_plus":0.00022,"err_minus":0.00022,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"semi_major_axis","value":0.056,"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":0.054,"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":0.0539,"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":0.056,"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":0.053,"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":0.056,"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":3405,"pl_name":"Kepler-304 c","hostname":"Kepler-304","sy_pnum":4,"disc_method":"Transit","disc_year":2014,"disc_facility":"Kepler","orbper_d":5.315946,"orbsmax_au":0.054,"rade":2.17,"radj":0.194,"masse":5.35,"massj":0.0168,"dens_gcm3":2.88,"eccen":0.0,"insol":73.598,"eqt_k":746.0,"st_teff":4731.0,"st_rad":0.687,"st_mass":0.737,"st_spectype":null,"sy_dist_pc":434.684,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}