{"discovery":{"site":null,"discovery":"Discovered 1911-03-19 by Wolf, M. at Heidelberg","citation":null,"date":"1911-Mar-19","ref":"DISCOVERY.DB","name":null,"cref":null,"location":"Heidelberg","who":"Wolf, M."},"object":{"orbit_class":{"code":"MBA","name":"Main-belt Asteroid"},"fullname":"712 Boliviana (A911 FF)","orbit_id":"163","kind":"an","pha":false,"prefix":null,"des":"712","shortname":"712 Boliviana","neo":false,"spkid":"20000712"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"orbit":{"orbit_id":"163","producer":"Otto Matic","soln_date":"2026-06-05 03:57:30","condition_code":"0","elements":[{"value":"0.185","title":"eccentricity","name":"e","sigma":"2e-09","units":null,"label":"e"},{"units":"au","sigma":"1.8e-09","label":"a","title":"semi-major axis","name":"a","value":"2.58"},{"value":"2.1","name":"q","title":"perihelion distance","sigma":"4.9e-09","units":"au","label":"q"},{"label":"i","units":"deg","sigma":"1.2e-07","title":"inclination; angle with respect to x-y ecliptic plane","name":"i","value":"12.8"},{"sigma":"4.7e-07","units":"deg","label":"node","value":"231","title":"longitude of the ascending node","name":"om"},{"value":"182","name":"w","title":"argument of perihelion","label":"peri","sigma":"7.8e-07","units":"deg"},{"value":"357","title":"mean anomaly","name":"ma","sigma":"1.1e-06","units":"deg","label":"M"},{"value":"2461212.079","name":"tp","title":"time of perihelion passage","sigma":"4.5e-06","units":"TDB","label":"tp"},{"name":"per","title":"sidereal orbital period","value":"1510","label":"period","units":"d","sigma":"1.6e-06"},{"name":"n","title":"mean motion","value":"0.238","units":"deg/d","sigma":"2.5e-10","label":"n"},{"label":"Q","units":"au","sigma":"2.2e-09","name":"ad","title":"aphelion distance","value":"3.05"}],"n_del_obs_used":null,"comment":null,"moid_jup":"2.33","pe_used":"DE441","epoch":"2461200.5","sb_used":"SB441-N16","first_obs":"1911-03-19","not_valid_after":null,"rms":"0.38","not_valid_before":null,"n_dop_obs_used":null,"data_arc":"41946","model_pars":[],"cov_epoch":"2458131.5","t_jup":"3.369","last_obs":"2026-01-20","n_obs_used":6339,"source":"JPL","equinox":"J2000","moid":"1.11","two_body":null}}