{"discovery":{"discovery":"Discovered 1858-01-22 by Laurent at Nimes","site":null,"name":null,"cref":null,"who":"Laurent","citation":null,"location":"Nimes","ref":"DISCOVERY.DB","date":"1858-Jan-22"},"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"orbit":{"not_valid_after":null,"first_obs":"1863-09-12","comment":null,"last_obs":"2026-04-13","source":"JPL","epoch":"2461200.5","soln_date":"2026-06-05 03:05:19","n_obs_used":12525,"producer":"Otto Matic","elements":[{"title":"eccentricity","label":"e","units":null,"name":"e","value":"0.066","sigma":"1.9e-09"},{"title":"semi-major axis","label":"a","value":"2.37","name":"a","units":"au","sigma":"9.4e-10"},{"name":"q","units":"au","value":"2.21","title":"perihelion distance","label":"q","sigma":"4.6e-09"},{"sigma":"1.7e-07","name":"i","units":"deg","value":"9.97","label":"i","title":"inclination; angle with respect to x-y ecliptic plane"},{"sigma":"1.1e-06","label":"node","title":"longitude of the ascending node","name":"om","units":"deg","value":"176"},{"name":"w","units":"deg","value":"2.4","title":"argument of perihelion","label":"peri","sigma":"1.9e-06"},{"sigma":"1.7e-06","label":"M","title":"mean anomaly","units":"deg","name":"ma","value":"80.6"},{"sigma":"6.1e-06","name":"tp","units":"TDB","value":"2460902.862","title":"time of perihelion passage","label":"tp"},{"sigma":"8e-07","name":"per","value":"1330","units":"d","title":"sidereal orbital period","label":"period"},{"label":"n","title":"mean motion","name":"n","value":"0.271","units":"deg/d","sigma":"1.6e-10"},{"sigma":"1e-09","name":"ad","value":"2.52","units":"au","label":"Q","title":"aphelion distance"}],"n_del_obs_used":null,"rms":"0.34","cov_epoch":"2457839.5","equinox":"J2000","not_valid_before":null,"moid":"1.21","n_dop_obs_used":null,"pe_used":"DE441","t_jup":"3.525","two_body":null,"condition_code":"0","orbit_id":"158","moid_jup":"2.44","data_arc":"59383","model_pars":[],"sb_used":"SB441-N16"},"object":{"neo":false,"spkid":"20000051","prefix":null,"des":"51","orbit_class":{"code":"MBA","name":"Main-belt Asteroid"},"pha":false,"orbit_id":"158","kind":"an","shortname":"51 Nemausa","fullname":"51 Nemausa (A858 BA)"}}
