{"id":41410,"slug":"9744-nielsen","name":"9744 Nielsen","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":20009744,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:44:22.692977+00:00","updated_at":"2026-08-14T17:22:10.067085+00:00","identifiers":["9744","9744 Nielsen","9744 Nielsen (1988 JW)","Nielsen"],"measurements":[],"orbit":{"object_id":41410,"epoch_jd":2461200.5,"a_au":2.611,"e":0.2992,"i_deg":13.65,"om_deg":108.22,"w_deg":136.24,"ma_deg":332.54,"q_au":1.83,"ad_au":3.39,"period_d":1540.0,"moid_au":0.841,"orbit_class":"MBA","neo":false,"pha":false,"h_mag":13.7,"diameter_km":4.653,"albedo":0.316,"rot_period_h":null,"spec_b":null,"spec_t":null,"condition_code":"0","n_obs":6423,"arc_days":15318,"first_obs":"1984-04-29","last_obs":"2026-04-07","producer":"Otto Matic","source":"jpl-sbdb","updated_at":"2026-08-14T17:22:10.067085+00:00"},"exoplanet":null,"sources":[]}