{"object":{"orbit_class":{"name":"Jupiter Trojan","code":"TJN"},"fullname":"1867 Deiphobus (1971 EA)","kind":"an","orbit_id":"112","pha":false,"prefix":null,"shortname":"1867 Deiphobus","des":"1867","spkid":"20001867","neo":false},"discovery":{"date":"1971-Mar-03","citation":null,"discovery":"Discovered 1971-03-03 by Cesco, C. U. and Samuel, A. at El Leoncito","site":null,"who":"Cesco, C. U. and Samuel, A.","location":"El Leoncito","cref":null,"name":null,"ref":"DISCOVERY.DB"},"orbit":{"n_dop_obs_used":null,"not_valid_before":null,"t_jup":"2.783","last_obs":"2026-03-29","cov_epoch":"2458237.5","data_arc":"20115","model_pars":[],"n_obs_used":6226,"two_body":null,"equinox":"J2000","source":"JPL","moid":"3.89","sb_used":"SB441-N16","pe_used":"DE441","epoch":"2461200.5","first_obs":"1971-03-03","rms":"0.29","not_valid_after":null,"elements":[{"name":"e","title":"eccentricity","value":"0.0444","label":"e","units":null,"sigma":"3.7e-09"},{"label":"a","units":"au","sigma":"2.5e-08","name":"a","title":"semi-major axis","value":"5.14"},{"label":"q","units":"au","sigma":"4.1e-08","title":"perihelion distance","name":"q","value":"4.91"},{"label":"i","sigma":"6.3e-08","units":"deg","value":"26.9","name":"i","title":"inclination; angle with respect to x-y ecliptic plane"},{"title":"longitude of the ascending node","name":"om","value":"284","label":"node","units":"deg","sigma":"1.2e-07"},{"label":"peri","units":"deg","sigma":"5.3e-06","name":"w","title":"argument of perihelion","value":"0.894"},{"sigma":"3.7e-06","units":"deg","label":"M","value":"140","name":"ma","title":"mean anomaly"},{"name":"tp","title":"time of perihelion passage","value":"2459545.753","label":"tp","units":"TDB","sigma":"5.3e-05"},{"name":"per","title":"sidereal orbital period","value":"4250","units":"d","sigma":"3e-05","label":"period"},{"value":"0.0847","title":"mean motion","name":"n","sigma":"6.1e-10","units":"deg/d","label":"n"},{"value":"5.36","title":"aphelion distance","name":"ad","label":"Q","sigma":"2.6e-08","units":"au"}],"condition_code":"0","moid_jup":"0.174","comment":null,"n_del_obs_used":null,"orbit_id":"112","producer":"Otto Matic","soln_date":"2026-06-05 05:57:16"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"}}