{"discovery":{"date":"1896-Dec-07","citation":null,"cref":null,"ref":"DISCOVERY.DB","who":"Charlois, A.","site":null,"location":"Nice","name":null,"discovery":"Discovered 1896-12-07 by Charlois, A. at Nice"},"object":{"fullname":"423 Diotima (A896 XA)","pha":false,"prefix":null,"spkid":"20000423","orbit_class":{"code":"MBA","name":"Main-belt Asteroid"},"kind":"an","neo":false,"des":"423","shortname":"423 Diotima","orbit_id":"154"},"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"orbit":{"t_jup":"3.201","source":"JPL","condition_code":"0","n_del_obs_used":null,"sb_used":"SB441-N16","not_valid_after":null,"equinox":"J2000","moid_jup":"1.86","rms":"0.28","last_obs":"2026-04-04","first_obs":"1899-05-02","n_obs_used":10197,"data_arc":"46358","not_valid_before":null,"model_pars":[],"epoch":"2461200.5","moid":"1.95","elements":[{"name":"e","label":"e","value":"0.0333","units":null,"sigma":"1.9e-09","title":"eccentricity"},{"sigma":"2.8e-09","units":"au","title":"semi-major axis","value":"3.07","name":"a","label":"a"},{"units":"au","sigma":"5.3e-09","title":"perihelion distance","value":"2.97","name":"q","label":"q"},{"label":"i","name":"i","sigma":"1.7e-07","units":"deg","title":"inclination; angle with respect to x-y ecliptic plane","value":"11.2"},{"label":"node","name":"om","value":"69.3","title":"longitude of the ascending node","units":"deg","sigma":"8.6e-07"},{"value":"199","title":"argument of perihelion","units":"deg","sigma":"3.8e-06","label":"peri","name":"w"},{"sigma":"3.3e-06","units":"deg","title":"mean anomaly","value":"179","name":"ma","label":"M"},{"name":"tp","label":"tp","units":"TDB","sigma":"1.8e-05","title":"time of perihelion passage","value":"2460226.265"},{"value":"1960","title":"sidereal orbital period","sigma":"2.7e-06","units":"d","name":"per","label":"period"},{"title":"mean motion","sigma":"2.5e-10","units":"deg/d","value":"0.183","label":"n","name":"n"},{"title":"aphelion distance","sigma":"2.9e-09","units":"au","value":"3.17","name":"ad","label":"Q"}],"soln_date":"2026-06-05 03:34:53","orbit_id":"154","pe_used":"DE441","comment":null,"cov_epoch":"2458193.5","producer":"Otto Matic","n_dop_obs_used":null,"two_body":null}}
