{"id":3213,"slug":"kepler-660-b","name":"Kepler-660 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":288.1382985,"dec":47.7245642,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":568.431,"vmag":15.559,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":14,"simbad_oid":8998276,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-660 b","host_object_id":2800239,"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-660b"],"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 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-Q16 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-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 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-Q8 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":649.0,"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":"equilibrium_temperature","value":649.0,"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":649.0,"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-Q8 KOI Table","ref_year":2016},{"parameter":"equilibrium_temperature","value":649.0,"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":"orbital_period","value":9.27358173,"value_text":null,"unit":"d","err_plus":1.037e-05,"err_minus":1.037e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2016},{"parameter":"orbital_period","value":9.27358194,"value_text":null,"unit":"d","err_plus":1.178e-05,"err_minus":1.178e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":9.27358194,"value_text":null,"unit":"d","err_plus":1.178e-05,"err_minus":1.178e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":9.27358173,"value_text":null,"unit":"d","err_plus":1.037e-05,"err_minus":1.037e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":9.27356964,"value_text":null,"unit":"d","err_plus":1.91e-06,"err_minus":1.91e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Holczer et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":9.27358194,"value_text":null,"unit":"d","err_plus":1.178e-05,"err_minus":1.178e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":9.27358194,"value_text":null,"unit":"d","err_plus":1.178e-05,"err_minus":1.178e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":9.273827,"value_text":null,"unit":"d","err_plus":3.9e-05,"err_minus":3.9e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"radius","value":2.544,"value_text":null,"unit":"R_earth","err_plus":0.307,"err_minus":0.181,"band":null,"method":"Transit","source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":2.52,"value_text":null,"unit":"R_earth","err_plus":0.29,"err_minus":0.25,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"radius","value":2.52,"value_text":null,"unit":"R_earth","err_plus":0.29,"err_minus":0.25,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"radius","value":2.47,"value_text":null,"unit":"R_earth","err_plus":0.2,"err_minus":0.24,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"radius","value":2.57,"value_text":null,"unit":"R_earth","err_plus":0.11,"err_minus":0.17,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":2.64,"value_text":null,"unit":"R_earth","err_plus":0.3,"err_minus":0.3,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"radius","value":2.52,"value_text":null,"unit":"R_earth","err_plus":0.29,"err_minus":0.25,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.0759,"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":0.0759,"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":0.0759,"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":0.077,"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":0.0759,"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":3213,"pl_name":"Kepler-660 b","hostname":"Kepler-660","sy_pnum":1,"disc_method":"Transit","disc_year":2016,"disc_facility":"Kepler","orbper_d":9.27358194,"orbsmax_au":0.0759,"rade":2.57,"radj":0.22928004,"masse":7.13,"massj":0.0224,"dens_gcm3":2.31,"eccen":0.0,"insol":44.09,"eqt_k":649.0,"st_teff":4779.0,"st_rad":0.71,"st_mass":0.75,"st_spectype":null,"sy_dist_pc":568.431,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}