{"discovery":{"location":"Marseille","who":"Borrelly, A.","ref":"DISCOVERY.DB","site":null,"citation":null,"cref":null,"name":null,"discovery":"Discovered 1871-09-12 by Borrelly, A. at Marseille","date":"1871-Sep-12"},"object":{"fullname":"117 Lomia (A871 RB)","pha":false,"des":"117","shortname":"117 Lomia","spkid":"20000117","orbit_id":"143","neo":false,"orbit_class":{"code":"MBA","name":"Main-belt Asteroid"},"prefix":null,"kind":"an"},"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"orbit":{"producer":"Otto Matic","last_obs":"2026-04-10","sb_used":"SB441-N16","pe_used":"DE441","moid_jup":"2.03","moid":"1.94","soln_date":"2026-06-05 03:10:23","equinox":"J2000","not_valid_after":null,"condition_code":"0","t_jup":"3.204","n_dop_obs_used":null,"data_arc":"54658","comment":null,"model_pars":[],"two_body":null,"cov_epoch":"2457921.5","rms":"0.27","source":"JPL","first_obs":"1876-08-16","orbit_id":"143","n_del_obs_used":null,"epoch":"2461200.5","not_valid_before":null,"n_obs_used":8527,"elements":[{"title":"eccentricity","name":"e","label":"e","value":"0.0228","units":null,"sigma":"2.3e-09"},{"label":"a","name":"a","title":"semi-major axis","sigma":"3.6e-09","units":"au","value":"2.99"},{"label":"q","name":"q","title":"perihelion distance","units":"au","sigma":"5.1e-09","value":"2.92"},{"value":"14.9","units":"deg","sigma":"1.4e-07","title":"inclination; angle with respect to x-y ecliptic plane","label":"i","name":"i"},{"label":"node","name":"om","title":"longitude of the ascending node","units":"deg","sigma":"6.1e-07","value":"349"},{"units":"deg","sigma":"4.4e-06","value":"53.4","name":"w","label":"peri","title":"argument of perihelion"},{"value":"282","sigma":"4.6e-06","units":"deg","title":"mean anomaly","label":"M","name":"ma"},{"units":"TDB","sigma":"2.4e-05","value":"2461608.093","name":"tp","label":"tp","title":"time of perihelion passage"},{"value":"1890","units":"d","sigma":"3.4e-06","title":"sidereal orbital period","label":"period","name":"per"},{"value":"0.19","sigma":"3.4e-10","units":"deg/d","title":"mean motion","label":"n","name":"n"},{"sigma":"3.7e-09","units":"au","value":"3.06","name":"ad","label":"Q","title":"aphelion distance"}]}}