{"object":{"fullname":"203 Pompeja (A879 SA)","des":"203","shortname":"203 Pompeja","spkid":"20000203","kind":"an","prefix":null,"pha":false,"orbit_id":"151","neo":false,"orbit_class":{"name":"Main-belt Asteroid","code":"MBA"}},"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"orbit":{"n_del_obs_used":null,"producer":"Otto Matic","comment":null,"condition_code":"0","soln_date":"2026-06-05 03:16:53","not_valid_after":null,"two_body":null,"rms":"0.28","cov_epoch":"2457777.5","pe_used":"DE441","last_obs":"2026-04-07","elements":[{"name":"e","sigma":"1.3e-09","label":"e","units":null,"title":"eccentricity","value":"0.0613"},{"value":"2.74","title":"semi-major axis","name":"a","sigma":"1.8e-09","units":"au","label":"a"},{"units":"au","label":"q","name":"q","sigma":"4.5e-09","value":"2.57","title":"perihelion distance"},{"units":"deg","label":"i","sigma":"1.1e-07","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","value":"3.17"},{"title":"longitude of the ascending node","value":"348","name":"om","sigma":"1.2e-06","units":"deg","label":"node"},{"title":"argument of perihelion","value":"59.4","label":"peri","units":"deg","sigma":"1.9e-06","name":"w"},{"title":"mean anomaly","value":"109","name":"ma","sigma":"2e-06","label":"M","units":"deg"},{"sigma":"8.8e-06","name":"tp","units":"TDB","label":"tp","title":"time of perihelion passage","value":"2460700.361"},{"name":"per","sigma":"1.6e-06","units":"d","label":"period","title":"sidereal orbital period","value":"1650"},{"title":"mean motion","value":"0.218","label":"n","units":"deg/d","sigma":"2.1e-10","name":"n"},{"title":"aphelion distance","value":"2.9","label":"Q","units":"au","sigma":"1.9e-09","name":"ad"}],"n_dop_obs_used":null,"n_obs_used":9371,"t_jup":"3.347","model_pars":[],"first_obs":"1879-09-26","epoch":"2461200.5","equinox":"J2000","not_valid_before":null,"moid_jup":"2.33","data_arc":"53519","orbit_id":"151","sb_used":"SB441-N16","moid":"1.58","source":"JPL"},"discovery":{"date":"1879-Sep-25","name":null,"discovery":"Discovered 1879-09-25 by Peters, C. H. F. at Clinton","citation":null,"ref":"DISCOVERY.DB","site":null,"cref":null,"who":"Peters, C. H. F.","location":"Clinton"}}