{"id":4408,"slug":"kepler-311-d","name":"Kepler-311 d","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":282.0612731,"dec":47.0854984,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":778.654,"vmag":13.902,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":18,"simbad_oid":9682875,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"Kepler-311 d","host_object_id":2799971,"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-311d"],"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":2023},{"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":2023},{"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":2023},{"parameter":"equilibrium_temperature","value":327.0,"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":2023},{"parameter":"equilibrium_temperature","value":316.0,"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":2023},{"parameter":"equilibrium_temperature","value":316.0,"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":2023},{"parameter":"orbital_period","value":232.040326,"value_text":null,"unit":"d","err_plus":0.006902,"err_minus":0.006902,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 Supplemental KOI Table","ref_year":2023},{"parameter":"orbital_period","value":232.040326,"value_text":null,"unit":"d","err_plus":0.006902,"err_minus":0.006902,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2023},{"parameter":"orbital_period","value":232.0469971,"value_text":null,"unit":"d","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Valizadegan et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":232.058029,"value_text":null,"unit":"d","err_plus":0.007588,"err_minus":0.007588,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2023},{"parameter":"orbital_period","value":232.058029,"value_text":null,"unit":"d","err_plus":0.007588,"err_minus":0.007588,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2023},{"parameter":"orbital_period","value":232.058029,"value_text":null,"unit":"d","err_plus":0.007588,"err_minus":0.007588,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"radius","value":2.01,"value_text":null,"unit":"R_earth","err_plus":0.34,"err_minus":0.21,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR24 KOI Table","ref_year":2023},{"parameter":"radius","value":2.01,"value_text":null,"unit":"R_earth","err_plus":0.34,"err_minus":0.21,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q16 KOI Table","ref_year":2023},{"parameter":"radius","value":2.07299995,"value_text":null,"unit":"R_earth","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"Valizadegan et al. 2023","ref_year":2023},{"parameter":"radius","value":2.05,"value_text":null,"unit":"R_earth","err_plus":0.33,"err_minus":0.29,"band":null,"method":"Transit","source":"nasa-exo","reference":"Q1-Q17 DR25 KOI Table","ref_year":2023},{"parameter":"radius","value":2.116,"value_text":null,"unit":"R_earth","err_plus":0.109,"err_minus":0.109,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018},{"parameter":"semi_major_axis","value":0.7326,"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":2023},{"parameter":"semi_major_axis","value":0.7319,"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":2023},{"parameter":"semi_major_axis","value":0.7319,"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":2023},{"parameter":"semi_major_axis","value":0.73783,"value_text":null,"unit":"au","err_plus":0.00771,"err_minus":0.00771,"band":null,"method":"Transit","source":"nasa-exo","reference":"Fulton &amp; Petigura 2018","ref_year":2018}],"orbit":null,"exoplanet":{"object_id":4408,"pl_name":"Kepler-311 d","hostname":"Kepler-311","sy_pnum":3,"disc_method":"Transit","disc_year":2023,"disc_facility":"Kepler","orbper_d":232.040326,"orbsmax_au":0.7326,"rade":2.05,"radj":0.18288907,"masse":4.86,"massj":0.0153,"dens_gcm3":3.1,"eccen":0.0,"insol":2.71,"eqt_k":327.0,"st_teff":5903.0,"st_rad":1.156,"st_mass":0.974,"st_spectype":null,"sy_dist_pc":778.654,"updated_at":"2026-09-13T03:31:17.289698+00:00"},"sources":[]}