{"discovery":{"ref":"DISCOVERY.DB","location":"Oxford","date":"1857-Aug-16","cref":null,"site":null,"citation":null,"discovery":"Discovered 1857-08-16 by Pogson, N. R. at Oxford","name":null,"who":"Pogson, N. R."},"orbit":{"sb_used":"SB441-N16","condition_code":"0","t_jup":"3.432","comment":null,"n_obs_used":6903,"moid_jup":"2.48","pe_used":"DE441","model_pars":[],"not_valid_after":null,"cov_epoch":"2457742.5","data_arc":"58997","first_obs":"1864-04-05","elements":[{"name":"e","units":null,"label":"e","title":"eccentricity","sigma":"2.6e-09","value":"0.172"},{"label":"a","title":"semi-major axis","name":"a","units":"au","sigma":"1.3e-09","value":"2.53"},{"value":"2.09","sigma":"6.7e-09","label":"q","title":"perihelion distance","name":"q","units":"au"},{"sigma":"1.8e-07","value":"2.35","units":"deg","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","label":"i"},{"sigma":"4.5e-06","value":"181","label":"node","title":"longitude of the ascending node","name":"om","units":"deg"},{"label":"peri","title":"argument of perihelion","units":"deg","name":"w","sigma":"4.6e-06","value":"177"},{"value":"349","sigma":"9.9e-07","name":"ma","units":"deg","title":"mean anomaly","label":"M"},{"name":"tp","units":"TDB","title":"time of perihelion passage","label":"tp","sigma":"4.1e-06","value":"2461245.875"},{"sigma":"1.1e-06","value":"1470","units":"d","name":"per","title":"sidereal orbital period","label":"period"},{"sigma":"1.9e-10","value":"0.246","units":"deg/d","name":"n","title":"mean motion","label":"n"},{"title":"aphelion distance","label":"Q","name":"ad","units":"au","sigma":"1.5e-09","value":"2.96"}],"equinox":"J2000","n_del_obs_used":null,"two_body":null,"orbit_id":"195","source":"JPL","last_obs":"2025-10-15","epoch":"2461200.5","producer":"Otto Matic","not_valid_before":null,"soln_date":"2026-03-11 21:15:06","n_dop_obs_used":null,"rms":"0.4","moid":"1.09"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"object":{"prefix":null,"kind":"an","pha":false,"neo":false,"des":"46","spkid":"20000046","shortname":"46 Hestia","orbit_class":{"name":"Main-belt Asteroid","code":"MBA"},"orbit_id":"195","fullname":"46 Hestia (A857 QA)"}}