{"discovery":{"ref":"DISCOVERY.DB","name":null,"who":"Luther, R.","cref":null,"location":"Dusseldorf","site":null,"discovery":"Discovered 1855-10-05 by Luther, R. at Dusseldorf","date":"1855-Oct-05","citation":null},"object":{"des":"37","shortname":"37 Fides","neo":false,"spkid":"20000037","orbit_class":{"name":"Main-belt Asteroid","code":"MBA"},"fullname":"37 Fides (A855 TB)","orbit_id":"164","kind":"an","prefix":null,"pha":false},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"orbit":{"rms":"0.41","not_valid_after":null,"first_obs":"1855-10-08","sb_used":"SB441-N16","pe_used":"DE441","epoch":"2461200.5","source":"JPL","moid":"1.2","equinox":"J2000","two_body":null,"n_obs_used":5418,"cov_epoch":"2458191.5","data_arc":"62271","model_pars":[],"last_obs":"2026-04-05","t_jup":"3.370","not_valid_before":null,"n_dop_obs_used":null,"soln_date":"2026-06-05 03:03:41","producer":"Otto Matic","orbit_id":"164","n_del_obs_used":null,"moid_jup":"2.2","comment":null,"elements":[{"units":null,"sigma":"2e-09","label":"e","name":"e","title":"eccentricity","value":"0.175"},{"label":"a","sigma":"1.9e-09","units":"au","value":"2.64","name":"a","title":"semi-major axis"},{"name":"q","title":"perihelion distance","value":"2.18","units":"au","sigma":"5.9e-09","label":"q"},{"label":"i","units":"deg","sigma":"2.3e-07","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","value":"3.07"},{"label":"node","units":"deg","sigma":"4.1e-06","name":"om","title":"longitude of the ascending node","value":"7.23"},{"label":"peri","sigma":"4.2e-06","units":"deg","value":"62.3","name":"w","title":"argument of perihelion"},{"units":"deg","sigma":"1e-06","label":"M","title":"mean anomaly","name":"ma","value":"219"},{"label":"tp","units":"TDB","sigma":"4.8e-06","name":"tp","title":"time of perihelion passage","value":"2461816.560"},{"label":"period","sigma":"1.7e-06","units":"d","value":"1570","title":"sidereal orbital period","name":"per"},{"value":"0.229","title":"mean motion","name":"n","label":"n","sigma":"2.5e-10","units":"deg/d"},{"sigma":"2.3e-09","units":"au","label":"Q","value":"3.1","name":"ad","title":"aphelion distance"}],"condition_code":"0"}}
