{"orbit":{"two_body":null,"first_obs":"1918-05-29","n_obs_used":15951,"producer":"Otto Matic","source":"JPL","pe_used":"DE441","moid":"1.39","orbit_id":"93","cov_epoch":"2458046.5","sb_used":"SB441-N16","rms":"0.22","model_pars":[],"not_valid_after":null,"last_obs":"2026-04-12","soln_date":"2026-06-05 03:59:25","condition_code":"0","elements":[{"sigma":"1.6e-09","title":"eccentricity","value":"0.142","name":"e","label":"e","units":null},{"units":"au","label":"a","value":"2.74","name":"a","title":"semi-major axis","sigma":"1.6e-09"},{"units":"au","label":"q","title":"perihelion distance","name":"q","value":"2.35","sigma":"4.4e-09"},{"units":"deg","label":"i","value":"20.7","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","sigma":"1.3e-07"},{"units":"deg","label":"node","title":"longitude of the ascending node","name":"om","value":"136","sigma":"2.3e-07"},{"units":"deg","label":"peri","value":"44.4","name":"w","title":"argument of perihelion","sigma":"6.5e-07"},{"units":"deg","label":"M","value":"341","name":"ma","title":"mean anomaly","sigma":"8.5e-07"},{"label":"tp","units":"TDB","sigma":"4e-06","value":"2461287.009","name":"tp","title":"time of perihelion passage"},{"units":"d","label":"period","title":"sidereal orbital period","name":"per","value":"1660","sigma":"1.5e-06"},{"label":"n","units":"deg/d","sigma":"2e-10","value":"0.217","name":"n","title":"mean motion"},{"name":"ad","value":"3.13","title":"aphelion distance","sigma":"1.9e-09","units":"au","label":"Q"}],"n_del_obs_used":null,"not_valid_before":null,"t_jup":"3.244","comment":null,"moid_jup":"1.97","epoch":"2461200.5","equinox":"J2000","n_dop_obs_used":null,"data_arc":"39400"},"object":{"orbit_id":"93","kind":"an","orbit_class":{"code":"MBA","name":"Main-belt Asteroid"},"fullname":"739 Mandeville (A913 CH)","neo":false,"des":"739","prefix":null,"shortname":"739 Mandeville","pha":false,"spkid":"20000739"},"discovery":{"discovery":"Discovered 1913-02-07 by Metcalf, J. H. at Winchester","name":null,"cref":null,"location":"Winchester","citation":null,"site":null,"ref":"DISCOVERY.DB","date":"1913-Feb-07","who":"Metcalf, J. H."},"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"}}