{"id":3948,"slug":"k2-321-b","name":"K2-321 b","domain":"exoplanet","class":"exoplanet","otype":"Pl","otype_label":"Planet","ra":156.4054989,"dec":2.5138829,"coo_err_mas":0.0204,"coo_bibcode":"2020yCat.1350....0G","plx_mas":12.9931,"pmra":50.92,"pmdec":-109.167,"rv_kms":null,"redshift":null,"dist_pc":77.6888,"vmag":13.677,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":5,"simbad_oid":19036715,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"K2-321 b","host_object_id":3844590,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:25:51.971135+00:00","updated_at":"2026-10-18T03:30:41.791363+00:00","identifiers":["K2-321b"],"measurements":[{"parameter":"eccentricity","value":0.44,"value_text":null,"unit":null,"err_plus":0.26,"err_minus":0.23,"band":null,"method":"Transit","source":"nasa-exo","reference":"Thygesen et al. 2023","ref_year":2023},{"parameter":"equilibrium_temperature","value":830.0,"value_text":null,"unit":"K","err_plus":110.0,"err_minus":110.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Thygesen et al. 2023","ref_year":2023},{"parameter":"equilibrium_temperature","value":733.88,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"equilibrium_temperature","value":701.0,"value_text":null,"unit":"K","err_plus":45.0,"err_minus":30.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Castro Gonz&aacute;lez et al. 2020","ref_year":2020},{"parameter":"orbital_period","value":2.2979749,"value_text":null,"unit":"d","err_plus":1.7e-06,"err_minus":1.9e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Thygesen et al. 2023","ref_year":2023},{"parameter":"orbital_period","value":2.298,"value_text":null,"unit":"d","err_plus":0.001,"err_minus":0.001,"band":null,"method":"Transit","source":"nasa-exo","reference":"Castro Gonz&aacute;lez et al. 2020","ref_year":2020},{"parameter":"orbital_period","value":2.29799150846,"value_text":null,"unit":"d","err_plus":8.34443e-06,"err_minus":8.34443e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"radius","value":2.05124347,"value_text":null,"unit":"R_earth","err_plus":0.16813471,"err_minus":0.13450777,"band":null,"method":"Transit","source":"nasa-exo","reference":"Thygesen et al. 2023","ref_year":2023},{"parameter":"radius","value":1.95,"value_text":null,"unit":"R_earth","err_plus":0.1,"err_minus":0.12,"band":null,"method":"Transit","source":"nasa-exo","reference":"Castro Gonz&aacute;lez et al. 2020","ref_year":2020},{"parameter":"radius","value":2.32710652,"value_text":null,"unit":"R_earth","err_plus":1.436356,"err_minus":1.436356,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2020},{"parameter":"semi_major_axis","value":0.02839,"value_text":null,"unit":"au","err_plus":0.00048,"err_minus":0.0005,"band":null,"method":"Transit","source":"nasa-exo","reference":"Thygesen et al. 2023","ref_year":2023},{"parameter":"semi_major_axis","value":0.041,"value_text":null,"unit":"au","err_plus":0.0035,"err_minus":0.0048,"band":null,"method":"Transit","source":"nasa-exo","reference":"Castro Gonz&aacute;lez et al. 2020","ref_year":2020}],"orbit":null,"exoplanet":{"object_id":3948,"pl_name":"K2-321 b","hostname":"K2-321","sy_pnum":1,"disc_method":"Transit","disc_year":2020,"disc_facility":"K2","orbper_d":2.2979749,"orbsmax_au":0.02839,"rade":2.05124347,"radj":0.183,"masse":4.86,"massj":0.0153,"dens_gcm3":3.09,"eccen":0.44,"insol":68.5516,"eqt_k":830.0,"st_teff":3750.0,"st_rad":0.595,"st_mass":0.578,"st_spectype":null,"sy_dist_pc":77.6888,"updated_at":"2026-10-18T03:30:41.791363+00:00"},"sources":[]}