{"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"orbit":{"n_dop_obs_used":0,"soln_date":"2026-06-05 03:03:25","pe_used":"DE441","data_arc":"64879","orbit_id":"144","source":"JPL","elements":[{"sigma":"3.6e-09","title":"eccentricity","units":null,"value":"0.23","name":"e","label":"e"},{"units":"au","title":"semi-major axis","value":"2.39","sigma":"9.8e-10","name":"a","label":"a"},{"label":"q","name":"q","sigma":"8.6e-09","value":"1.84","title":"perihelion distance","units":"au"},{"label":"i","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","value":"5.52","units":"deg","sigma":"3.5e-07"},{"sigma":"2.6e-06","title":"longitude of the ascending node","units":"deg","value":"259","name":"om","label":"node"},{"label":"peri","units":"deg","title":"argument of perihelion","value":"145","sigma":"2.7e-06","name":"w"},{"sigma":"9.8e-07","value":"115","title":"mean anomaly","units":"deg","name":"ma","label":"M"},{"sigma":"3.5e-06","title":"time of perihelion passage","units":"TDB","value":"2460769.447","name":"tp","label":"tp"},{"sigma":"8.3e-07","value":"1350","title":"sidereal orbital period","units":"d","name":"per","label":"period"},{"label":"n","name":"n","sigma":"1.6e-10","title":"mean motion","units":"deg/d","value":"0.267"},{"label":"Q","name":"ad","title":"aphelion distance","units":"au","value":"2.94","sigma":"1.2e-09"}],"moid_jup":"2.48","t_jup":"3.493","n_del_obs_used":2,"equinox":"J2000","n_obs_used":5954,"condition_code":"0","sb_used":"SB441-N16","first_obs":"1848-08-23","producer":"Otto Matic","comment":null,"not_valid_after":null,"two_body":null,"moid":"0.848","not_valid_before":null,"epoch":"2461200.5","cov_epoch":"2457701.5","rms":"0.36","last_obs":"2026-04-11","model_pars":[]},"object":{"shortname":"7 Iris","neo":false,"spkid":"20000007","prefix":null,"kind":"an","orbit_id":"144","des":"7","orbit_class":{"name":"Main-belt Asteroid","code":"MBA"},"fullname":"7 Iris (A847 PA)","pha":false}}