{"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"object":{"pha":true,"spkid":"20436724","orbit_id":"145","prefix":null,"des":"436724","orbit_class":{"name":"Apollo","code":"APO"},"fullname":"436724 (2011 UW158)","kind":"an","neo":true},"phys_par":[{"value":"19.98","ref":"MPO699730","desc":"absolute magnitude (magnitude at 1 au from Sun and observer)","units":null,"sigma":null,"title":"absolute magnitude","name":"H","notes":null},{"name":"rot_per","notes":"REFERENCE LIST:[Carbognani, A.; Gary, Bruce L.; Oey, J.; Baj, G.; Bacci, P. (2016) Minor Planet Bull. 43, 38-41.], [Gary, B.L. (2016) Minor Planet Bull. 43, 33-38.], [Warner, B.D. (2016) Minor Planet Bull. 43, 66-79.], [Monteiro, F.; Silva, J.S.; Lazzaro, D.; Arcoverde, P.; et al. (2018) Plan. Space Sci. 164, 54-74.]","sigma":null,"title":"rotation period","desc":"body rotation period (synodic)","units":"h","value":"0.61073","ref":"LCDB (Rev. 2023-October); Warner et al., 2009"}],"orbit":{"moid":"0.00303","moid_jup":"2.98","producer":"Giorgini","first_obs":"2011-10-25","rms":"0.28","cov_epoch":"2456989.5","t_jup":"4.242","model_pars":[],"pe_used":"DE441","soln_date":"2025-06-03 09:22:22","comment":null,"last_obs":"2025-03-03","orbit_id":"145","condition_code":"0","source":"JPL","sb_used":"SB441-N16","epoch":"2461200.5","n_del_obs_used":8,"equinox":"J2000","not_valid_before":null,"not_valid_after":null,"data_arc":"4878","two_body":null,"n_obs_used":964,"elements":[{"name":"e","label":"e","units":null,"sigma":"5.7e-09","value":"0.377","title":"eccentricity"},{"value":"1.62","sigma":"1.2e-08","title":"semi-major axis","label":"a","name":"a","units":"au"},{"title":"perihelion distance","sigma":"6.6e-09","value":"1.01","units":"au","label":"q","name":"q"},{"name":"i","label":"i","units":"deg","value":"4.57","sigma":"9.4e-07","title":"inclination; angle with respect to x-y ecliptic plane"},{"name":"om","label":"node","units":"deg","sigma":"2.1e-06","value":"286","title":"longitude of the ascending node"},{"title":"argument of perihelion","sigma":"4.6e-06","value":"8.83","units":"deg","name":"w","label":"peri"},{"title":"mean anomaly","sigma":"2.1e-05","value":"101","units":"deg","name":"ma","label":"M"},{"title":"time of perihelion passage","sigma":"4.2e-05","value":"2460989.568","units":"TDB","label":"tp","name":"tp"},{"sigma":"8.7e-06","value":"753","title":"sidereal orbital period","name":"per","label":"period","units":"d"},{"value":"0.478","sigma":"5.5e-09","title":"mean motion","label":"n","name":"n","units":"deg/d"},{"units":"au","name":"ad","label":"Q","title":"aphelion distance","value":"2.23","sigma":"1.7e-08"}],"n_dop_obs_used":0}}
