{"id":3355,"slug":"toi-4458-b","name":"TOI-4458 b","domain":"exoplanet","class":"exoplanet","otype":null,"otype_label":"Exoplanet","ra":252.1259976,"dec":74.7637501,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":505.432,"vmag":11.172,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":0,"simbad_oid":null,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":"TOI-4458 b","host_object_id":3354,"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":[],"measurements":[{"parameter":"eccentricity","value":0.03,"value_text":null,"unit":null,"err_plus":0.024,"err_minus":0.02,"band":null,"method":"Transit","source":"nasa-exo","reference":"Guenther et al. 2026","ref_year":2026},{"parameter":"equilibrium_temperature","value":1703.43,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2026},{"parameter":"equilibrium_temperature","value":1759.0,"value_text":null,"unit":"K","err_plus":30.0,"err_minus":31.0,"band":null,"method":"Transit","source":"nasa-exo","reference":"Guenther et al. 2026","ref_year":2026},{"parameter":"mass","value":552.06794296,"value_text":null,"unit":"M_earth","err_plus":30.19369866,"err_minus":30.19369866,"band":null,"method":"Transit","source":"nasa-exo","reference":"Guenther et al. 2026","ref_year":2026},{"parameter":"orbital_period","value":3.9393792,"value_text":null,"unit":"d","err_plus":1.8e-06,"err_minus":1.8e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"Guenther et al. 2026","ref_year":2026},{"parameter":"orbital_period","value":3.93937096476,"value_text":null,"unit":"d","err_plus":4.30476e-06,"err_minus":4.30476e-06,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2026},{"parameter":"radius","value":13.63441635,"value_text":null,"unit":"R_earth","err_plus":0.66078585,"err_minus":0.66078585,"band":null,"method":"Transit","source":"nasa-exo","reference":"ExoFOP","ref_year":2026},{"parameter":"radius","value":12.40834163,"value_text":null,"unit":"R_earth","err_plus":0.25780656,"err_minus":0.25780656,"band":null,"method":"Transit","source":"nasa-exo","reference":"Guenther et al. 2026","ref_year":2026},{"parameter":"semi_major_axis","value":0.0522,"value_text":null,"unit":"au","err_plus":0.0016,"err_minus":0.0015,"band":null,"method":"Transit","source":"nasa-exo","reference":"Guenther et al. 2026","ref_year":2026}],"orbit":null,"exoplanet":{"object_id":3355,"pl_name":"TOI-4458 b","hostname":"TOI-4458","sy_pnum":1,"disc_method":"Transit","disc_year":2026,"disc_facility":"Transiting Exoplanet Survey Satellite (TESS)","orbper_d":3.9393792,"orbsmax_au":0.0522,"rade":12.40834163,"radj":1.107,"masse":552.06794296,"massj":1.737,"dens_gcm3":1.59,"eccen":0.03,"insol":1595.0,"eqt_k":1759.0,"st_teff":6151.0,"st_rad":1.96,"st_mass":1.47,"st_spectype":null,"sy_dist_pc":505.432,"updated_at":"2026-10-18T03:30:41.791363+00:00"},"sources":[]}