{"id":4694,"slug":"kepler-20-b","name":"Kepler-20 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":287.6979913,"dec":42.3385782,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":282.563,"vmag":12.61,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":125,"simbad_oid":6326993,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-20 b","host_object_id":2710128,"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-20b"],"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":"Weiss et al. 2024","ref_year":2024},{"parameter":"eccentricity","value":0.083,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"eccentricity","value":0.03,"value_text":null,"unit":null,"err_plus":0.09,"err_minus":0.03,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2016","ref_year":2016},{"parameter":"eccentricity","value":0.32,"value_text":null,"unit":null,"err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gautier et al. 2012","ref_year":2012},{"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":2011},{"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":2011},{"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":2011},{"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":2011},{"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":2011},{"parameter":"equilibrium_temperature","value":1187.0,"value_text":null,"unit":"K","err_plus":16.0,"err_minus":16.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"equilibrium_temperature","value":1105.0,"value_text":null,"unit":"K","err_plus":37.0,"err_minus":37.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2016","ref_year":2016},{"parameter":"equilibrium_temperature","value":1014.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gautier et al. 2012","ref_year":2012},{"parameter":"equilibrium_temperature","value":1095.0,"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":2011},{"parameter":"equilibrium_temperature","value":1095.0,"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":2011},{"parameter":"equilibrium_temperature","value":1095.0,"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":2011},{"parameter":"equilibrium_temperature","value":1097.0,"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":2011},{"parameter":"equilibrium_temperature","value":1095.0,"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":2011},{"parameter":"mass","value":9.51297537,"value_text":null,"unit":"M_earth","err_plus":1.45889109,"err_minus":1.45889109,"band":null,"method":"Transit","source":"nasa-exo","reference":"Weiss et al. 2024","ref_year":2024},{"parameter":"mass","value":9.7,"value_text":null,"unit":"M_earth","err_plus":1.3,"err_minus":1.3,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"mass","value":9.7,"value_text":null,"unit":"M_earth","err_plus":1.41,"err_minus":1.44,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2016","ref_year":2016},{"parameter":"mass","value":8.7,"value_text":null,"unit":"M_earth","err_plus":2.1,"err_minus":2.2,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gautier et al. 2012","ref_year":2012},{"parameter":"orbital_period","value":3.696119675,"value_text":null,"unit":"d","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Weiss et al. 2024","ref_year":2024},{"parameter":"orbital_period","value":3.6961049,"value_text":null,"unit":"d","err_plus":1.6e-06,"err_minus":1.6e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":3.6961048684,"value_text":null,"unit":"d","err_plus":1.5605e-06,"err_minus":1.5605e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gajdo&scaron; et al. 2019","ref_year":2019},{"parameter":"orbital_period","value":3.696119675,"value_text":null,"unit":"d","err_plus":2.31e-06,"err_minus":2.31e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"orbital_period","value":3.696119675,"value_text":null,"unit":"d","err_plus":2.31e-06,"err_minus":2.31e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":3.69611757,"value_text":null,"unit":"d","err_plus":6.6e-07,"err_minus":6.6e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Holczer et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":3.69611525,"value_text":null,"unit":"d","err_plus":1.15e-06,"err_minus":8.7e-07,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":3.6961219,"value_text":null,"unit":"d","err_plus":4.3e-06,"err_minus":6.4e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gautier et al. 2012","ref_year":2012},{"parameter":"orbital_period","value":3.696121272,"value_text":null,"unit":"d","err_plus":2.394e-06,"err_minus":2.394e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2011},{"parameter":"orbital_period","value":3.696119675,"value_text":null,"unit":"d","err_plus":2.31e-06,"err_minus":2.31e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2011},{"parameter":"orbital_period","value":3.696119675,"value_text":null,"unit":"d","err_plus":2.31e-06,"err_minus":2.31e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2011},{"parameter":"orbital_period","value":3.6961159,"value_text":null,"unit":"d","err_plus":4.4e-06,"err_minus":4.4e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2011},{"parameter":"orbital_period","value":3.696119675,"value_text":null,"unit":"d","err_plus":2.31e-06,"err_minus":2.31e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2011},{"parameter":"orbital_period","value":3.696121272,"value_text":null,"unit":"d","err_plus":2.394e-06,"err_minus":2.394e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2011},{"parameter":"radius","value":2.007,"value_text":null,"unit":"R_earth","err_plus":0.183,"err_minus":0.183,"band":null,"method":"Transit","source":"nasa-exo","reference":"Weiss et al. 2024","ref_year":2024},{"parameter":"radius","value":1.773,"value_text":null,"unit":"R_earth","err_plus":0.053,"err_minus":0.03,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"radius","value":2.007,"value_text":null,"unit":"R_earth","err_plus":0.183,"err_minus":0.183,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"radius","value":1.708,"value_text":null,"unit":"R_earth","err_plus":0.08,"err_minus":0.068,"band":null,"method":"Transit","source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":1.868,"value_text":null,"unit":"R_earth","err_plus":0.066,"err_minus":0.034,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2016","ref_year":2016},{"parameter":"radius","value":2.13,"value_text":null,"unit":"R_earth","err_plus":0.22,"err_minus":0.26,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":1.91,"value_text":null,"unit":"R_earth","err_plus":0.12,"err_minus":0.21,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gautier et al. 2012","ref_year":2012},{"parameter":"radius","value":2.11,"value_text":null,"unit":"R_earth","err_plus":0.37,"err_minus":0.17,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2011},{"parameter":"radius","value":2.11,"value_text":null,"unit":"R_earth","err_plus":0.37,"err_minus":0.17,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2011},{"parameter":"radius","value":1.97,"value_text":null,"unit":"R_earth","err_plus":0.16,"err_minus":0.16,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2011},{"parameter":"radius","value":2.11,"value_text":null,"unit":"R_earth","err_plus":0.37,"err_minus":0.17,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2011},{"parameter":"radius","value":1.78,"value_text":null,"unit":"R_earth","err_plus":0.19,"err_minus":0.16,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2011},{"parameter":"semi_major_axis","value":0.0458621244,"value_text":null,"unit":"au","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Weiss et al. 2024","ref_year":2024},{"parameter":"semi_major_axis","value":0.04565,"value_text":null,"unit":"au","err_plus":0.00089,"err_minus":0.00089,"band":null,"method":"Transit","source":"nasa-exo","reference":"Bonomo et al. 2023","ref_year":2023},{"parameter":"semi_major_axis","value":0.04588,"value_text":null,"unit":"au","err_plus":0.00038,"err_minus":0.00038,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"semi_major_axis","value":0.0463,"value_text":null,"unit":"au","err_plus":0.0009,"err_minus":0.0015,"band":null,"method":"Transit","source":"nasa-exo","reference":"Buchhave et al. 2016","ref_year":2016},{"parameter":"semi_major_axis","value":0.04537,"value_text":null,"unit":"au","err_plus":0.00054,"err_minus":0.0006,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gautier et al. 2012","ref_year":2012},{"parameter":"semi_major_axis","value":0.0448,"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":2011},{"parameter":"semi_major_axis","value":0.045,"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":2011},{"parameter":"semi_major_axis","value":0.0448,"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":2011},{"parameter":"semi_major_axis","value":0.0448,"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":2011},{"parameter":"semi_major_axis","value":0.0448,"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":2011}],"orbit":null,"exoplanet":{"object_id":4694,"pl_name":"Kepler-20 b","hostname":"Kepler-20","sy_pnum":6,"disc_method":"Transit","disc_year":2011,"disc_facility":"Kepler","orbper_d":3.6961049,"orbsmax_au":0.04565,"rade":1.773,"radj":0.15817674,"masse":9.7,"massj":0.03051961,"dens_gcm3":9.4,"eccen":0.083,"insol":331.0,"eqt_k":1187.0,"st_teff":5495.0,"st_rad":0.9164,"st_mass":0.929,"st_spectype":null,"sy_dist_pc":282.563,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}