{"id":5664,"slug":"kepler-921-b","name":"Kepler-921 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":284.6162253,"dec":49.1907438,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":934.49,"vmag":14.852,"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":8995903,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-921 b","host_object_id":2922966,"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-921b"],"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-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":"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":"equilibrium_temperature","value":492.0,"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":492.0,"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":494.0,"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":492.0,"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":492.0,"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":"orbital_period","value":51.3011844,"value_text":null,"unit":"d","err_plus":0.0006021,"err_minus":0.0006021,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2016},{"parameter":"orbital_period","value":51.3002,"value_text":null,"unit":"d","err_plus":0.0014,"err_minus":0.0014,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":51.300634,"value_text":null,"unit":"d","err_plus":0.0006728,"err_minus":0.0006728,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":51.300634,"value_text":null,"unit":"d","err_plus":0.0006728,"err_minus":0.0006728,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":51.300634,"value_text":null,"unit":"d","err_plus":0.0006728,"err_minus":0.0006728,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":51.300634,"value_text":null,"unit":"d","err_plus":0.0006728,"err_minus":0.0006728,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":51.3011844,"value_text":null,"unit":"d","err_plus":0.0006021,"err_minus":0.0006021,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"orbital_period","value":51.30172621,"value_text":null,"unit":"d","err_plus":1.636e-05,"err_minus":1.636e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Holczer et al. 2016","ref_year":2016},{"parameter":"radius","value":2.149,"value_text":null,"unit":"R_earth","err_plus":0.201,"err_minus":0.167,"band":null,"method":"Transit","source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":2.9,"value_text":null,"unit":"R_earth","err_plus":1.14,"err_minus":0.25,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2016},{"parameter":"radius","value":2.7,"value_text":null,"unit":"R_earth","err_plus":1.2,"err_minus":1.2,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2016},{"parameter":"radius","value":2.9,"value_text":null,"unit":"R_earth","err_plus":1.14,"err_minus":0.25,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2016},{"parameter":"radius","value":2.07,"value_text":null,"unit":"R_earth","err_plus":0.65,"err_minus":0.17,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2016},{"parameter":"radius","value":2.87,"value_text":null,"unit":"R_earth","err_plus":0.33,"err_minus":0.73,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":2.9,"value_text":null,"unit":"R_earth","err_plus":1.14,"err_minus":0.25,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2016},{"parameter":"semi_major_axis","value":0.274,"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":0.2716,"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":0.2716,"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":0.2716,"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":0.2716,"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":5664,"pl_name":"Kepler-921 b","hostname":"Kepler-921","sy_pnum":1,"disc_method":"Transit","disc_year":2016,"disc_facility":"Kepler","orbper_d":51.300634,"orbsmax_au":0.2716,"rade":2.87,"radj":0.25604425,"masse":8.6,"massj":0.0271,"dens_gcm3":2.0,"eccen":0.0,"insol":15.007,"eqt_k":492.0,"st_teff":5663.0,"st_rad":0.91,"st_mass":0.93,"st_spectype":null,"sy_dist_pc":934.49,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}