{"orbit":{"source":"JPL","moid":"2.41","equinox":"J2000","two_body":null,"n_obs_used":12422,"data_arc":"53249","model_pars":[],"cov_epoch":"2458084.5","t_jup":"3.025","last_obs":"2026-02-28","not_valid_before":null,"n_dop_obs_used":null,"not_valid_after":null,"rms":"0.24","first_obs":"1880-05-15","pe_used":"DE441","epoch":"2461200.5","sb_used":"SB441-N16","n_del_obs_used":null,"moid_jup":"0.586","comment":null,"condition_code":"0","elements":[{"value":"0.138","name":"e","title":"eccentricity","sigma":"2.3e-09","units":null,"label":"e"},{"units":"au","sigma":"9.9e-09","label":"a","name":"a","title":"semi-major axis","value":"3.97"},{"name":"q","title":"perihelion distance","value":"3.42","label":"q","units":"au","sigma":"1.3e-08"},{"units":"deg","sigma":"1.2e-07","label":"i","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","value":"7.83"},{"value":"228","title":"longitude of the ascending node","name":"om","sigma":"7.5e-07","units":"deg","label":"node"},{"name":"w","title":"argument of perihelion","value":"39.1","units":"deg","sigma":"1.5e-06","label":"peri"},{"name":"ma","title":"mean anomaly","value":"139","units":"deg","sigma":"2.8e-06","label":"M"},{"label":"tp","units":"TDB","sigma":"1.8e-05","title":"time of perihelion passage","name":"tp","value":"2460087.651"},{"name":"per","title":"sidereal orbital period","value":"2890","label":"period","units":"d","sigma":"1.1e-05"},{"sigma":"4.7e-10","units":"deg/d","label":"n","value":"0.125","name":"n","title":"mean motion"},{"units":"au","sigma":"1.1e-08","label":"Q","title":"aphelion distance","name":"ad","value":"4.52"}],"soln_date":"2026-06-05 03:12:50","producer":"Otto Matic","orbit_id":"87"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"object":{"orbit_class":{"code":"OMB","name":"Outer Main-belt Asteroid"},"fullname":"153 Hilda (A875 VC)","orbit_id":"87","kind":"an","prefix":null,"pha":false,"des":"153","shortname":"153 Hilda","neo":false,"spkid":"20000153"},"discovery":{"citation":null,"date":"1875-Nov-02","discovery":"Discovered 1875-11-02 by Palisa, J. at Pola","site":null,"who":"Palisa, J.","location":"Pola","cref":null,"name":null,"ref":"DISCOVERY.DB"}}
