{"object":{"kind":"cu","orbit_id":"55","des":"2025 N1","fullname":"C/2025 N1 (ATLAS)","pha":false,"neo":false,"prefix":"C","orbit_class":{"name":"Hyperbolic Comet","code":"HYP"},"spkid":"1004083"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"orbit":{"epoch":"2461340.5","data_arc":"378","source":"JPL","pe_used":"DE441","n_obs_used":117,"rms":"0.42","condition_code":null,"moid":"0.362","model_pars":[{"kind":"EST","units":"au/d^2","n":1,"desc":"non-gravitational radial acceleration parameter","sigma":"4.838E-9","title":"non-grav. radial accel.","value":"4.618e-08","name":"A1"},{"name":"A2","sigma":"2.012E-9","n":2,"desc":"non-gravitational transverse acceleration parameter","value":"-9.559e-09","title":"non-grav. transverse accel.","kind":"EST","units":"au/d^2"},{"n":3,"desc":"non-gravitational normal acceleration parameter","sigma":"1.651E-9","title":"non-grav. normal accel.","value":"-8.295e-09","name":"A3","kind":"EST","units":"au/d^2"},{"name":"ALN","sigma":null,"desc":"normalizing factor [default 0.1112620426]","n":0,"value":"1.","title":"normalizing factor","kind":"SET","units":null},{"kind":"EST","units":"d","sigma":"9.195","n":4,"desc":"non-gravitational perihelion-maximum offset","value":"28.5","title":"non-grav. perihelion offset","name":"DT"},{"value":"0.","title":"non-grav. model exp. k","sigma":null,"desc":"non-grav. model constant, exponent k [default 4.6142]","n":0,"name":"NK","units":null,"kind":"SET"},{"name":"NM","title":"non-grav. model exp. m","value":"2.","desc":"non-grav. model constant, exponent m [default 2.15]","n":0,"sigma":null,"units":null,"kind":"SET"},{"kind":"SET","units":null,"sigma":null,"n":0,"desc":"non-grav. model constant, exponent n [default 5.093]","value":"0.","title":"non-grav. model exp. n","name":"NN"},{"kind":"SET","units":"au","name":"R0","desc":"normalizing distance, au [default 2.808 au]","n":0,"sigma":null,"title":"normalizing distance","value":"1."}],"t_jup":null,"not_valid_after":null,"last_obs":"2026-10-16","soln_date":"2026-10-21 09:51:09","n_dop_obs_used":null,"orbit_id":"55","producer":"Davide Farnocchia","comment":"Temporary solution to support JWST Program 13145","cov_epoch":"2461340.5","n_del_obs_used":null,"equinox":"J2000","sb_used":"SB441-N16","first_obs":"2025-10-03","moid_jup":"0.247","not_valid_before":null,"two_body":null,"elements":[{"name":"e","label":"e","title":"eccentricity","units":null,"value":"6.12","sigma":"4.4e-05"},{"label":"a","name":"a","sigma":"1.8e-06","value":"-0.264","title":"semi-major axis","units":"au"},{"name":"q","label":"q","value":"1.35","units":"au","title":"perihelion distance","sigma":"4.1e-06"},{"name":"i","label":"i","units":"deg","title":"inclination; angle with respect to x-y ecliptic plane","value":"175","sigma":"7.7e-05"},{"sigma":"0.00052","units":"deg","title":"longitude of the ascending node","value":"323","name":"om","label":"node"},{"sigma":"0.00053","value":"129","units":"deg","title":"argument of perihelion","name":"w","label":"peri"},{"label":"M","name":"ma","sigma":"0.025","units":"deg","title":"mean anomaly","value":"2640"},{"sigma":"0.00018","units":"TDB","title":"time of perihelion passage","value":"2460977.942","name":"tp","label":"tp"},{"label":"period","name":"per","value":null,"units":"d","title":"sidereal orbital period","sigma":null},{"name":"n","label":"n","sigma":"7.4e-05","value":"7.27","units":"deg/d","title":"mean motion"},{"name":"ad","label":"Q","value":null,"title":"aphelion distance","units":"au","sigma":null}]}}
