{"object":{"spkid":"20000024","des":"24","neo":false,"orbit_class":{"code":"MBA","name":"Main-belt Asteroid"},"shortname":"24 Themis","fullname":"24 Themis (A853 GA)","orbit_id":"154","prefix":null,"kind":"an","pha":false},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"orbit":{"sb_used":"SB441-N16","t_jup":"3.199","condition_code":"0","n_obs_used":6577,"comment":null,"moid_jup":"1.51","model_pars":[],"pe_used":"DE441","data_arc":"63164","cov_epoch":"2458194.5","not_valid_after":null,"n_del_obs_used":null,"equinox":"J2000","first_obs":"1853-04-27","elements":[{"title":"eccentricity","label":"e","name":"e","units":null,"value":"0.115","sigma":"2.1e-09"},{"name":"a","units":"au","title":"semi-major axis","label":"a","value":"3.14","sigma":"3.4e-09"},{"units":"au","name":"q","title":"perihelion distance","label":"q","sigma":"7.8e-09","value":"2.78"},{"sigma":"1.5e-07","value":"0.737","title":"inclination; angle with respect to x-y ecliptic plane","label":"i","name":"i","units":"deg"},{"name":"om","units":"deg","title":"longitude of the ascending node","label":"node","sigma":"1.1e-05","value":"36.4"},{"sigma":"1.1e-05","value":"109","label":"peri","title":"argument of perihelion","name":"w","units":"deg"},{"value":"92","sigma":"9.7e-07","name":"ma","units":"deg","label":"M","title":"mean anomaly"},{"sigma":"5.4e-06","value":"2460680.040","name":"tp","units":"TDB","title":"time of perihelion passage","label":"tp"},{"sigma":"3.3e-06","value":"2040","label":"period","title":"sidereal orbital period","units":"d","name":"per"},{"sigma":"2.9e-10","value":"0.177","units":"deg/d","name":"n","title":"mean motion","label":"n"},{"title":"aphelion distance","label":"Q","name":"ad","units":"au","value":"3.51","sigma":"3.8e-09"}],"two_body":null,"last_obs":"2026-04-04","source":"JPL","orbit_id":"154","not_valid_before":null,"epoch":"2461200.5","producer":"Otto Matic","soln_date":"2026-06-05 03:03:25","rms":"0.45","n_dop_obs_used":null,"moid":"1.79"},"discovery":{"who":"De Gasparis, A.","name":null,"discovery":"Discovered 1853-04-05 by De Gasparis, A. at Naples","site":null,"cref":null,"citation":null,"date":"1853-Apr-05","ref":"DISCOVERY.DB","location":"Naples"}}