{"id":8395,"slug":"kepler-454-d","name":"Kepler-454 d","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":287.4786474,"dec":38.2290751,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":230.869,"vmag":11.567,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":6,"simbad_oid":9894257,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-454 d","host_object_id":2753537,"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-454d"],"measurements":[{"parameter":"eccentricity","value":0.255047,"value_text":null,"unit":null,"err_plus":0.038315,"err_minus":0.038315,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Weiss et al. 2024","ref_year":2024},{"parameter":"eccentricity","value":0.089,"value_text":null,"unit":null,"err_plus":0.036,"err_minus":0.027,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"mass","value":733.2668882,"value_text":null,"unit":"M_earth","err_plus":140.069909,"err_minus":140.069909,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Weiss et al. 2024","ref_year":2024},{"parameter":"mass","value":734.18362017,"value_text":null,"unit":"M_earth","err_plus":85.81366989,"err_minus":50.85254512,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":4806.833852,"value_text":null,"unit":"d","err_plus":1736.536949,"err_minus":1736.536949,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Weiss et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":4073.0,"value_text":null,"unit":"d","err_plus":399.0,"err_minus":186.0,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"semi_major_axis","value":5.683482748,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Weiss et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":5.1,"value_text":null,"unit":"au","err_plus":0.34,"err_minus":0.19,"band":null,"method":"Radial Velocity","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023}],"orbit":null,"exoplanet":{"object_id":8395,"pl_name":"Kepler-454 d","hostname":"Kepler-454","sy_pnum":3,"disc_method":"Radial Velocity","disc_year":2023,"disc_facility":"Roque de los Muchachos Observatory","orbper_d":4073.0,"orbsmax_au":5.1,"rade":13.3,"radj":1.19,"masse":734.18362017,"massj":2.31,"dens_gcm3":1.71,"eccen":0.089,"insol":0.0434,"eqt_k":125.37,"st_teff":5687.0,"st_rad":1.066,"st_mass":1.03,"st_spectype":null,"sy_dist_pc":230.869,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}