{"id":77434,"slug":"49409","name":"49409","domain":"solar-system","class":"asteroid","otype":null,"otype_label":"Asteroid","ra":null,"dec":null,"coo_err_mas":null,"coo_bibcode":null,"plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":null,"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":20049409,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:44:29.897360+00:00","updated_at":"2026-08-14T17:22:17.097108+00:00","identifiers":["49409","49409 (1998 XS50)"],"measurements":[],"orbit":{"object_id":77434,"epoch_jd":2461200.5,"a_au":2.985,"e":0.1389,"i_deg":9.0,"om_deg":290.96,"w_deg":87.06,"ma_deg":180.64,"q_au":2.57,"ad_au":3.4,"period_d":1880.0,"moid_au":1.59,"orbit_class":"MBA","neo":false,"pha":false,"h_mag":14.16,"diameter_km":5.158,"albedo":0.183,"rot_period_h":null,"spec_b":null,"spec_t":null,"condition_code":"0","n_obs":2315,"arc_days":11813,"first_obs":"1993-12-09","last_obs":"2026-04-13","producer":"Otto Matic","source":"jpl-sbdb","updated_at":"2026-08-14T17:22:17.097108+00:00"},"exoplanet":null,"sources":[]}