{"object":{"orbit_class":{"name":"TransNeptunian Object","code":"TNO"},"spkid":"20136472","shortname":"136472 Makemake","neo":false,"des":"136472","pha":false,"prefix":null,"kind":"an","orbit_id":"130","fullname":"136472 Makemake (2005 FY9)"},"orbit":{"n_del_obs_used":null,"t_jup":"5.224","equinox":"J2000","n_dop_obs_used":null,"rms":"0.23","epoch":"2461200.5","source":"JPL","sb_used":"SB441-N16","soln_date":"2026-06-06 21:09:02","elements":[{"sigma":"1.2e-06","value":"0.159","units":null,"name":"e","label":"e","title":"eccentricity"},{"value":"45.6","sigma":"5.4e-05","units":"au","name":"a","title":"semi-major axis","label":"a"},{"units":"au","sigma":"9e-05","value":"38.3","label":"q","title":"perihelion distance","name":"q"},{"sigma":"1.4e-06","value":"29","units":"deg","name":"i","label":"i","title":"inclination; angle with respect to x-y ecliptic plane"},{"units":"deg","value":"79.3","sigma":"1.4e-05","title":"longitude of the ascending node","label":"node","name":"om"},{"value":"297","sigma":"0.00097","units":"deg","name":"w","title":"argument of perihelion","label":"peri"},{"label":"M","title":"mean anomaly","name":"ma","units":"deg","sigma":"0.0013","value":"170"},{"value":"2408158.694","sigma":"0.4","units":"TDB","name":"tp","title":"time of perihelion passage","label":"tp"},{"label":"period","title":"sidereal orbital period","name":"per","units":"d","sigma":"0.2","value":"112000"},{"units":"deg/d","value":"0.0032","sigma":"5.7e-09","title":"mean motion","label":"n","name":"n"},{"units":"au","value":"52.8","sigma":"6.2e-05","title":"aphelion distance","label":"Q","name":"ad"}],"comment":null,"producer":"Otto Matic","orbit_id":"130","data_arc":"25999","last_obs":"2026-04-05","n_obs_used":6348,"moid":"37.4","two_body":null,"cov_epoch":"2458666.5","model_pars":[],"not_valid_after":null,"moid_jup":"33.8","pe_used":"DE441","not_valid_before":null,"condition_code":"1","first_obs":"1955-01-29"},"signature":{"source":"NASA/JPL Small-Body Database (SBDB) API","version":"1.3"},"phys_par":[{"units":null,"value":"-0.25","sigma":null,"ref":"MPO938351","notes":null,"title":"absolute magnitude","desc":"absolute magnitude (magnitude at 1 au from Sun and observer)","name":"H"},{"desc":"body rotation period (synodic)","title":"rotation period","name":"rot_per","ref":"LCDB (Rev. 2023-October); Warner et al., 2009","notes":"[Result based on less than full coverage, so that the period may be wrong by 30 percent or so.]  REFERENCE LIST:[Hromakina, T.A.; Belskaya, I.N.; Krugly, Yu.N.; Shevchenko, V.G.; et al. (2019) Astron. Astrophys. 625, A46.]","units":"h","sigma":null,"value":"22.8266"}]}