{"object":{"prefix":null,"orbit_class":{"code":"TNO","name":"TransNeptunian Object"},"neo":false,"spkid":"20090482","shortname":"90482 Orcus","des":"90482","kind":"an","pha":false,"orbit_id":"61","fullname":"90482 Orcus (2004 DW)"},"orbit":{"orbit_id":"61","not_valid_before":null,"first_obs":"1951-11-08","elements":[{"value":"0.221","title":"eccentricity","sigma":"4.9e-07","label":"e","units":null,"name":"e"},{"label":"a","title":"semi-major axis","value":"39.4","sigma":"2.2e-05","name":"a","units":"au"},{"sigma":"3.6e-05","value":"30.7","title":"perihelion distance","label":"q","units":"au","name":"q"},{"sigma":"2e-06","title":"inclination; angle with respect to x-y ecliptic plane","value":"20.6","label":"i","units":"deg","name":"i"},{"label":"node","sigma":"1.7e-05","title":"longitude of the ascending node","value":"268","name":"om","units":"deg"},{"label":"peri","title":"argument of perihelion","value":"73.6","sigma":"0.00047","name":"w","units":"deg"},{"label":"M","title":"mean anomaly","value":"189","sigma":"0.00072","name":"ma","units":"deg"},{"units":"TDB","name":"tp","sigma":"0.18","title":"time of perihelion passage","value":"2504046.135","label":"tp"},{"label":"period","sigma":"0.075","title":"sidereal orbital period","value":"90300","name":"per","units":"d"},{"title":"mean motion","value":"0.00399","sigma":"3.3e-09","label":"n","units":"deg/d","name":"n"},{"label":"Q","title":"aphelion distance","value":"48.1","sigma":"2.7e-05","name":"ad","units":"au"}],"equinox":"J2000","source":"JPL","producer":"Otto Matic","moid":"29.7","pe_used":"DE441","n_dop_obs_used":null,"cov_epoch":"2458156.5","sb_used":"SB441-N16","n_del_obs_used":null,"rms":"0.62","condition_code":"1","not_valid_after":null,"last_obs":"2026-04-13","n_obs_used":2158,"t_jup":"5.157","soln_date":"2026-06-06 14:13:31","comment":null,"model_pars":[],"moid_jup":"26.1","two_body":null,"epoch":"2461200.5","data_arc":"27185"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"}}
