{"orbit":{"source":"JPL","last_obs":"2018-08-04","orbit_id":"3","n_del_obs_used":null,"first_obs":"2014-06-26","elements":[{"units":null,"name":"e","title":"eccentricity","label":"e","sigma":"0.00034","value":"0.0356"},{"sigma":"0.01","value":"44.1","name":"a","units":"au","label":"a","title":"semi-major axis"},{"sigma":"0.022","value":"42.5","units":"au","name":"q","title":"perihelion distance","label":"q"},{"sigma":"0.00033","value":"2.45","name":"i","units":"deg","title":"inclination; angle with respect to x-y ecliptic plane","label":"i"},{"label":"node","title":"longitude of the ascending node","units":"deg","name":"om","sigma":"0.011","value":"159"},{"value":"189","sigma":"0.53","label":"peri","title":"argument of perihelion","units":"deg","name":"w"},{"title":"mean anomaly","label":"M","name":"ma","units":"deg","value":"311","sigma":"0.48"},{"sigma":"140","value":"2475741.404","title":"time of perihelion passage","label":"tp","units":"TDB","name":"tp"},{"title":"sidereal orbital period","label":"period","name":"per","units":"d","sigma":"37","value":"107000"},{"sigma":"1.2e-06","value":"0.00337","name":"n","units":"deg/d","title":"mean motion","label":"n"},{"sigma":"0.01","value":"45.6","title":"aphelion distance","label":"Q","units":"au","name":"ad"}],"equinox":"J2000","two_body":null,"rms":"0.024","n_dop_obs_used":null,"moid":"41.5","not_valid_before":null,"producer":"Otto Matic","epoch":"2461200.5","soln_date":"2024-02-21 21:21:36","t_jup":"5.928","condition_code":"4","sb_used":"SB441-N16","model_pars":[],"pe_used":"DE441","data_arc":"1500","not_valid_after":null,"cov_epoch":"2458101.5","comment":null,"n_obs_used":112,"moid_jup":"37.5"},"phys_par":[{"title":"absolute magnitude","sigma":null,"ref":"MPO700677","desc":"absolute magnitude (magnitude at 1 au from Sun and observer)","name":"H","units":null,"value":"11.06","notes":null},{"desc":"body rotation period (synodic)","name":"rot_per","units":"h","value":"15.918","notes":"[Result based on less than full coverage, so that the period may be wrong by 30 percent or so.]  REFERENCE LIST:[Porter, S.; Beyer, R.; Keane, J.; Umurhan, O.; et al. (2019) EPSC-DPS Joint Meeting, 2019 September 15-20. Geneva, Switzerland, id. EPSC-DPS2019-311.], [Buie, M.W.; Porter, S.B.; Tamblyn, P.; Terrell, D.; and 129 co-authors. (2020) Astron. J. 159, id. 130.]","title":"rotation period","ref":"LCDB (Rev. 2023-October); Warner et al., 2009","sigma":null}],"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"object":{"pha":false,"kind":"an","prefix":null,"fullname":"486958 Arrokoth (2014 MU69)","orbit_id":"3","orbit_class":{"code":"TNO","name":"TransNeptunian Object"},"shortname":"486958 Arrokoth","des":"486958","spkid":"20486958","neo":false}}
