{"id":1831,"slug":"kepler-287-b","name":"Kepler-287 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":290.9274282,"dec":48.4434588,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":835.86,"vmag":14.952,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":25,"simbad_oid":8584119,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-287 b","host_object_id":2799950,"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-287b"],"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-Q17 DR24 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 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-Q12 KOI Table","ref_year":2014},{"parameter":"equilibrium_temperature","value":677.0,"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":680.0,"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":667.0,"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":680.0,"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":680.0,"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":"mass","value":83.0,"value_text":null,"unit":"M_earth","err_plus":50.0,"err_minus":26.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ofir et al. 2025","ref_year":2025},{"parameter":"orbital_period","value":20.342378,"value_text":null,"unit":"d","err_plus":5.6e-05,"err_minus":5.6e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Ofir et al. 2025","ref_year":2025},{"parameter":"orbital_period","value":20.3421233771,"value_text":null,"unit":"d","err_plus":5.01056e-05,"err_minus":5.01056e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Gajdoš et al. 2019","ref_year":2019},{"parameter":"orbital_period","value":20.34234237,"value_text":null,"unit":"d","err_plus":5.943e-05,"err_minus":5.943e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"orbital_period","value":20.34230286,"value_text":null,"unit":"d","err_plus":3.2e-06,"err_minus":3.2e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Holczer et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":20.34234237,"value_text":null,"unit":"d","err_plus":5.943e-05,"err_minus":5.943e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"orbital_period","value":20.34234237,"value_text":null,"unit":"d","err_plus":5.943e-05,"err_minus":5.943e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":20.34234237,"value_text":null,"unit":"d","err_plus":5.943e-05,"err_minus":5.943e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":20.342199,"value_text":null,"unit":"d","err_plus":8.4e-05,"err_minus":8.4e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"orbital_period","value":20.34234237,"value_text":null,"unit":"d","err_plus":5.943e-05,"err_minus":5.943e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":20.34237838,"value_text":null,"unit":"d","err_plus":5.571e-05,"err_minus":5.571e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":20.34229,"value_text":null,"unit":"d","err_plus":0.00018,"err_minus":0.00018,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q8 KOI Table","ref_year":2014},{"parameter":"orbital_period","value":20.34237838,"value_text":null,"unit":"d","err_plus":5.571e-05,"err_minus":5.571e-05,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2014},{"parameter":"radius","value":2.152,"value_text":null,"unit":"R_earth","err_plus":0.097,"err_minus":0.097,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"radius","value":2.481,"value_text":null,"unit":"R_earth","err_plus":0.557,"err_minus":0.329,"band":null,"method":"Transit","source":"nasa-exo","reference":"Berger et al. 2018","ref_year":2018},{"parameter":"radius","value":2.27,"value_text":null,"unit":"R_earth","err_plus":0.37,"err_minus":0.18,"band":null,"method":"Transit","source":"nasa-exo","reference":"Morton et al. 2016","ref_year":2016},{"parameter":"radius","value":2.6,"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":2014},{"parameter":"radius","value":2.88,"value_text":null,"unit":"R_earth","err_plus":0.44,"err_minus":0.36,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2014},{"parameter":"radius","value":2.33,"value_text":null,"unit":"R_earth","err_plus":1.06,"err_minus":1.06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Rowe et al. 2014","ref_year":2014},{"parameter":"radius","value":2.4,"value_text":null,"unit":"R_earth","err_plus":0.9,"err_minus":0.3,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q12 KOI Table","ref_year":2014},{"parameter":"radius","value":2.4,"value_text":null,"unit":"R_earth","err_plus":0.9,"err_minus":0.3,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2014},{"parameter":"radius","value":2.4,"value_text":null,"unit":"R_earth","err_plus":0.9,"err_minus":0.3,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2014},{"parameter":"semi_major_axis","value":0.14404,"value_text":null,"unit":"au","err_plus":0.00161,"err_minus":0.00161,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton & Petigura 2018","ref_year":2018},{"parameter":"semi_major_axis","value":0.145,"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":0.1422,"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":0.1433,"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":0.142,"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":0.1433,"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":0.1433,"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":1831,"pl_name":"Kepler-287 b","hostname":"Kepler-287","sy_pnum":2,"disc_method":"Transit","disc_year":2014,"disc_facility":"Kepler","orbper_d":20.342199,"orbsmax_au":0.145,"rade":2.33,"radj":0.208,"masse":83.0,"massj":0.2611472,"dens_gcm3":27.3,"eccen":0.0,"insol":35.75,"eqt_k":667.0,"st_teff":5806.0,"st_rad":1.032,"st_mass":0.963,"st_spectype":"K7 V","sy_dist_pc":835.86,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}