{"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"object":{"pha":false,"prefix":null,"kind":"an","orbit_id":"134","fullname":"911 Agamemnon (A919 FB)","shortname":"911 Agamemnon","orbit_class":{"name":"Jupiter Trojan","code":"TJN"},"neo":false,"des":"911","spkid":"20000911"},"discovery":{"date":"1919-Mar-19","ref":"DISCOVERY.DB","location":"Heidelberg","discovery":"Discovered 1919-03-19 by Reinmuth, K. at Heidelberg","name":null,"who":"Reinmuth, K.","citation":null,"cref":null,"site":null},"orbit":{"orbit_id":"134","last_obs":"2026-04-13","source":"JPL","equinox":"J2000","first_obs":"1919-03-19","elements":[{"value":"0.0667","sigma":"4.3e-09","units":null,"name":"e","label":"e","title":"eccentricity"},{"title":"semi-major axis","label":"a","units":"au","name":"a","value":"5.29","sigma":"2.6e-08"},{"title":"perihelion distance","label":"q","units":"au","name":"q","value":"4.93","sigma":"4.5e-08"},{"units":"deg","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","label":"i","value":"21.8","sigma":"7.5e-08"},{"sigma":"2.9e-07","value":"338","label":"node","title":"longitude of the ascending node","units":"deg","name":"om"},{"sigma":"3.2e-06","value":"82.4","units":"deg","name":"w","title":"argument of perihelion","label":"peri"},{"units":"deg","name":"ma","title":"mean anomaly","label":"M","value":"119","sigma":"2.4e-06"},{"units":"TDB","name":"tp","label":"tp","title":"time of perihelion passage","sigma":"3.3e-05","value":"2459738.386"},{"value":"4440","sigma":"3.2e-05","title":"sidereal orbital period","label":"period","name":"per","units":"d"},{"name":"n","units":"deg/d","title":"mean motion","label":"n","value":"0.0811","sigma":"5.9e-10"},{"units":"au","name":"ad","label":"Q","title":"aphelion distance","value":"5.64","sigma":"2.7e-08"}],"n_del_obs_used":null,"two_body":null,"n_dop_obs_used":null,"rms":"0.29","moid":"4.03","epoch":"2461200.5","producer":"Otto Matic","not_valid_before":null,"soln_date":"2026-06-05 04:12:37","condition_code":"0","t_jup":"2.852","sb_used":"SB441-N16","pe_used":"DE441","model_pars":[],"cov_epoch":"2458516.5","not_valid_after":null,"data_arc":"39107","n_obs_used":5874,"comment":null,"moid_jup":"0.102"}}
