{"object":{"prefix":null,"kind":"an","pha":false,"shortname":"92 Undina","orbit_class":{"name":"Main-belt Asteroid","code":"MBA"},"orbit_id":"136","fullname":"92 Undina (A867 NA)","neo":false,"des":"92","spkid":"20000092"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"orbit":{"n_dop_obs_used":null,"rms":"0.36","moid":"1.86","epoch":"2461200.5","producer":"Otto Matic","not_valid_before":null,"soln_date":"2026-06-05 03:08:37","orbit_id":"136","last_obs":"2026-04-13","source":"JPL","equinox":"J2000","first_obs":"1871-03-09","elements":[{"title":"eccentricity","label":"e","units":null,"name":"e","value":"0.105","sigma":"2.4e-09"},{"value":"3.19","sigma":"5.3e-09","label":"a","title":"semi-major axis","units":"au","name":"a"},{"value":"2.85","sigma":"6.7e-09","name":"q","units":"au","title":"perihelion distance","label":"q"},{"units":"deg","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","label":"i","value":"9.92","sigma":"2.5e-07"},{"name":"om","units":"deg","label":"node","title":"longitude of the ascending node","sigma":"1.1e-06","value":"101"},{"label":"peri","title":"argument of perihelion","name":"w","units":"deg","value":"237","sigma":"1.9e-06"},{"units":"deg","name":"ma","title":"mean anomaly","label":"M","value":"273","sigma":"2.8e-06"},{"value":"2461702.813","sigma":"1.7e-05","units":"TDB","name":"tp","label":"tp","title":"time of perihelion passage"},{"units":"d","name":"per","title":"sidereal orbital period","label":"period","sigma":"5.2e-06","value":"2080"},{"value":"0.173","sigma":"4.3e-10","units":"deg/d","name":"n","title":"mean motion","label":"n"},{"units":"au","name":"ad","label":"Q","title":"aphelion distance","sigma":"5.8e-09","value":"3.52"}],"n_del_obs_used":null,"two_body":null,"pe_used":"DE441","model_pars":[],"cov_epoch":"2457927.5","not_valid_after":null,"data_arc":"56648","n_obs_used":5169,"comment":null,"moid_jup":"1.83","condition_code":"0","t_jup":"3.166","sb_used":"SB441-N16"},"discovery":{"date":"1867-Jul-07","ref":"DISCOVERY.DB","location":"Clinton","who":"Peters, C. H. F.","name":null,"discovery":"Discovered 1867-07-07 by Peters, C. H. F. at Clinton","citation":null,"cref":null,"site":null}}