{"orbit":{"moid":"0.438","n_dop_obs_used":null,"rms":"0.71","soln_date":"2019-06-03 14:53:20","epoch":"2456961.5","producer":"Davide Farnocchia","not_valid_before":null,"orbit_id":"K184/8","source":"JPL","last_obs":"2018-11-10","two_body":null,"elements":[{"name":"e","units":null,"label":"e","title":"eccentricity","sigma":"1.3e-07","value":"0.787"},{"units":"au","name":"a","label":"a","title":"semi-major axis","value":"6.02","sigma":"1.2e-07"},{"value":"1.29","sigma":"7.8e-07","name":"q","units":"au","label":"q","title":"perihelion distance"},{"sigma":"1.7e-05","value":"18.7","name":"i","units":"deg","label":"i","title":"inclination; angle with respect to x-y ecliptic plane"},{"title":"longitude of the ascending node","label":"node","name":"om","units":"deg","sigma":"3.1e-05","value":"22"},{"name":"w","units":"deg","title":"argument of perihelion","label":"peri","value":"257","sigma":"4.9e-05"},{"units":"deg","name":"ma","label":"M","title":"mean anomaly","sigma":"4.8e-06","value":"273"},{"name":"tp","units":"TDB","title":"time of perihelion passage","label":"tp","value":"2458258.969","sigma":"5.2e-05"},{"sigma":"0.00016","value":"5400","title":"sidereal orbital period","label":"period","name":"per","units":"d"},{"value":"0.0667","sigma":"1.9e-09","name":"n","units":"deg/d","title":"mean motion","label":"n"},{"sigma":"2.1e-07","value":"10.8","units":"au","name":"ad","title":"aphelion distance","label":"Q"}],"first_obs":"1974-03-22","equinox":"J2000","n_del_obs_used":null,"not_valid_after":null,"cov_epoch":"2456961.5","data_arc":"16304","pe_used":"DE431","model_pars":[{"sigma":"1.67E-10","title":"non-grav. radial accel.","value":"7.682e-10","kind":"EST","desc":"non-gravitational radial acceleration parameter","name":"A1","units":"au/d^2","n":1},{"kind":"EST","value":"-8.895e-11","n":2,"desc":"non-gravitational transverse acceleration parameter","name":"A2","units":"au/d^2","sigma":"6.203E-13","title":"non-grav. transverse accel."}],"moid_jup":"0.864","comment":null,"n_obs_used":547,"condition_code":"0","t_jup":"2.123","sb_used":"SB431-N16"},"object":{"fullname":"66P/du Toit","orbit_id":"K184/8","orbit_class":{"code":"JFc","name":"Jupiter-family Comet"},"des":"66P","spkid":"1000021","neo":true,"pha":false,"prefix":"P","kind":"cn"},"phys_par":[{"notes":"2 parameter fit from 283 observations, autocmod 2.7","value":"15.7","units":null,"name":"M1","desc":"absolute magnitude of comet and coma (i.e. total)","sigma":"0.8","ref":"K184/8","title":"comet total magnitude"},{"notes":"autocmod 2.7","value":"7.","units":null,"name":"K1","desc":"comet total magnitude slope parameter","sigma":null,"ref":"K184/8","title":"comet total magnitude slope"}],"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"}}