{"phys_par":[{"name":"H","sigma":null,"units":null,"ref":"MPO691787","notes":null,"value":"7.09","title":"absolute magnitude","desc":"absolute magnitude (magnitude at 1 au from Sun and observer)"},{"name":"diameter","sigma":"60","units":"km","ref":"Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)","desc":"effective body diameter","notes":null,"title":"diameter","value":"328"},{"sigma":"0.010","name":"albedo","units":null,"ref":"Earth, Moon, and Planets, v. 89, Issue 1, p. 117-134 (2002)","desc":"geometric albedo","notes":null,"title":"geometric albedo","value":"0.022"}],"object":{"fullname":"15789 (1993 SC)","des":"15789","kind":"an","prefix":null,"neo":false,"orbit_class":{"name":"TransNeptunian Object","code":"TNO"},"orbit_id":"11","pha":false,"spkid":"20015789"},"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"orbit":{"elements":[{"title":"eccentricity","value":"0.184","label":"e","units":null,"sigma":"1.3e-05","name":"e"},{"title":"semi-major axis","value":"39.7","label":"a","units":"au","sigma":"0.0015","name":"a"},{"units":"au","label":"q","name":"q","sigma":"0.00074","title":"perihelion distance","value":"32.4"},{"value":"5.16","title":"inclination; angle with respect to x-y ecliptic plane","name":"i","sigma":"3.4e-05","label":"i","units":"deg"},{"title":"longitude of the ascending node","value":"355","units":"deg","label":"node","sigma":"0.00032","name":"om"},{"sigma":"0.0076","name":"w","units":"deg","label":"peri","title":"argument of perihelion","value":"318"},{"title":"mean anomaly","value":"79.3","units":"deg","label":"M","name":"ma","sigma":"0.0093"},{"sigma":"1.2","name":"tp","units":"TDB","label":"tp","title":"time of perihelion passage","value":"2441076.141"},{"units":"d","label":"period","sigma":"5.3","name":"per","value":"91300","title":"sidereal orbital period"},{"title":"mean motion","value":"0.00394","sigma":"2.3e-07","name":"n","units":"deg/d","label":"n"},{"title":"aphelion distance","value":"47","label":"Q","units":"au","sigma":"0.0018","name":"ad"}],"pe_used":"DE441","last_obs":"2020-01-19","n_obs_used":146,"n_dop_obs_used":null,"t_jup":"5.539","moid_jup":"27.3","not_valid_before":null,"epoch":"2461200.5","equinox":"J2000","model_pars":[],"first_obs":"1993-09-23","source":"JPL","moid":"31.4","orbit_id":"11","data_arc":"9614","sb_used":"SB441-N16","comment":null,"producer":"Otto Matic","n_del_obs_used":null,"not_valid_after":null,"soln_date":"2021-04-13 01:09:00","two_body":null,"condition_code":"2","cov_epoch":"2456742.5","rms":"0.69"}}