{"object":{"prefix":"P","spkid":"1000097","neo":false,"pha":false,"orbit_class":{"name":"Jupiter-family Comet","code":"JFc"},"des":"62P","orbit_id":"K234/37","kind":"cn","fullname":"62P/Tsuchinshan 1"},"discovery":{"citation":null,"location":"Purple Mountain Observatory, Nanking","ref":"comet.dis","date":"1965-Jan-01","discovery":"Discovered 1965-01-01 by  at Purple Mountain Observatory, Nanking","site":null,"name":null,"who":"","cref":null},"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"orbit":{"cov_epoch":"2458054.5","rms":"0.71","n_del_obs_used":null,"producer":"Shantanu Naidu","elements":[{"name":"e","units":null,"value":"0.597","label":"e","title":"eccentricity","sigma":"6.7e-08"},{"label":"a","title":"semi-major axis","units":"au","name":"a","value":"3.44","sigma":"3.2e-07"},{"sigma":"2.1e-07","label":"q","title":"perihelion distance","name":"q","units":"au","value":"1.38"},{"label":"i","title":"inclination; angle with respect to x-y ecliptic plane","name":"i","units":"deg","value":"9.71","sigma":"5.4e-06"},{"name":"om","units":"deg","value":"90.2","label":"node","title":"longitude of the ascending node","sigma":"3.1e-05"},{"title":"argument of perihelion","label":"peri","value":"30.3","name":"w","units":"deg","sigma":"2.2e-05"},{"sigma":"4.7e-06","name":"ma","units":"deg","value":"357","label":"M","title":"mean anomaly"},{"name":"tp","value":"2458073.620","units":"TDB","label":"tp","title":"time of perihelion passage","sigma":"2.9e-05"},{"title":"sidereal orbital period","label":"period","value":"2330","name":"per","units":"d","sigma":"0.00033"},{"sigma":"2.2e-08","label":"n","title":"mean motion","name":"n","units":"deg/d","value":"0.155"},{"title":"aphelion distance","label":"Q","units":"au","name":"ad","value":"5.49","sigma":"5.1e-07"}],"n_obs_used":3392,"epoch":"2458054.5","soln_date":"2025-03-14 14:47:38","source":"JPL","last_obs":"2024-06-01","not_valid_after":null,"first_obs":"2004-09-14","comment":null,"model_pars":[{"kind":"EST","units":"au/d^2","desc":"non-gravitational radial acceleration parameter","sigma":"2.411E-11","n":1,"value":"6.296e-09","name":"A1","title":"non-grav. radial accel."},{"sigma":"1.288E-12","n":2,"value":"-4.644e-10","name":"A2","title":"non-grav. transverse accel.","kind":"EST","desc":"non-gravitational transverse acceleration parameter","units":"au/d^2"},{"value":"-9.52e-10","name":"A3","title":"non-grav. normal accel.","sigma":"2.265E-11","n":3,"units":"au/d^2","desc":"non-gravitational normal acceleration parameter","kind":"EST"}],"sb_used":"SB441-N16","data_arc":"7200","orbit_id":"K234/37","moid_jup":"0.198","condition_code":"0","two_body":null,"t_jup":"2.798","n_dop_obs_used":null,"pe_used":"DE441","moid":"0.411","not_valid_before":null,"equinox":"J2000"}}