{"discovery":{"name":null,"who":"Hind, J. R.","discovery":"Discovered 1847-08-13 by Hind, J. R. at London","site":null,"cref":null,"citation":null,"date":"1847-Aug-13","location":"London","ref":"DISCOVERY.DB"},"orbit":{"sb_used":"SB441-N16","condition_code":"0","t_jup":"3.493","n_obs_used":5954,"comment":null,"moid_jup":"2.48","pe_used":"DE441","model_pars":[],"cov_epoch":"2457701.5","not_valid_after":null,"data_arc":"64879","equinox":"J2000","first_obs":"1848-08-23","elements":[{"name":"e","units":null,"label":"e","title":"eccentricity","value":"0.23","sigma":"3.6e-09"},{"value":"2.39","sigma":"9.8e-10","name":"a","units":"au","label":"a","title":"semi-major axis"},{"name":"q","units":"au","title":"perihelion distance","label":"q","value":"1.84","sigma":"8.6e-09"},{"sigma":"3.5e-07","value":"5.52","units":"deg","name":"i","title":"inclination; angle with respect to x-y ecliptic plane","label":"i"},{"label":"node","title":"longitude of the ascending node","name":"om","units":"deg","sigma":"2.6e-06","value":"259"},{"label":"peri","title":"argument of perihelion","units":"deg","name":"w","value":"145","sigma":"2.7e-06"},{"value":"115","sigma":"9.8e-07","title":"mean anomaly","label":"M","name":"ma","units":"deg"},{"sigma":"3.5e-06","value":"2460769.447","label":"tp","title":"time of perihelion passage","name":"tp","units":"TDB"},{"value":"1350","sigma":"8.3e-07","name":"per","units":"d","label":"period","title":"sidereal orbital period"},{"label":"n","title":"mean motion","units":"deg/d","name":"n","value":"0.267","sigma":"1.6e-10"},{"title":"aphelion distance","label":"Q","units":"au","name":"ad","sigma":"1.2e-09","value":"2.94"}],"n_del_obs_used":2,"two_body":null,"orbit_id":"144","last_obs":"2026-04-11","source":"JPL","epoch":"2461200.5","producer":"Otto Matic","not_valid_before":null,"soln_date":"2026-06-05 03:03:25","n_dop_obs_used":0,"rms":"0.36","moid":"0.848"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"object":{"neo":false,"spkid":"20000007","des":"7","orbit_id":"144","fullname":"7 Iris (A847 PA)","shortname":"7 Iris","orbit_class":{"code":"MBA","name":"Main-belt Asteroid"},"pha":false,"kind":"an","prefix":null}}