{"id":56555,"slug":"28530-shiyimeng","name":"28530 Shiyimeng","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":20028530,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":2,"first_seen":"2026-08-14T16:44:29.897360+00:00","updated_at":"2026-08-14T17:22:17.097108+00:00","identifiers":["28530","28530 Shiyimeng","28530 Shiyimeng (2000 DR71)","Shiyimeng"],"measurements":[],"orbit":{"object_id":56555,"epoch_jd":2461200.5,"a_au":2.588,"e":0.1464,"i_deg":0.28,"om_deg":213.16,"w_deg":5.47,"ma_deg":70.47,"q_au":2.21,"ad_au":2.97,"period_d":1520.0,"moid_au":1.2,"orbit_class":"MBA","neo":false,"pha":false,"h_mag":15.82,"diameter_km":4.351,"albedo":0.059,"rot_period_h":null,"spec_b":null,"spec_t":null,"condition_code":"0","n_obs":1577,"arc_days":11601,"first_obs":"1993-09-14","last_obs":"2025-06-19","producer":"Otto Matic","source":"jpl-sbdb","updated_at":"2026-08-14T17:22:17.097108+00:00"},"exoplanet":null,"sources":[]}