{"phys_par":[{"units":null,"ref":"E2025-RA0","title":"absolute magnitude","value":"9.01","desc":"absolute magnitude (magnitude at 1 au from Sun and observer)","sigma":null,"notes":"IRAS observations used: 11","name":"H"},{"notes":null,"sigma":"1.608","name":"diameter","desc":"effective body diameter","ref":"urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)","title":"diameter","value":"100.765","units":"km"},{"units":"h","value":"12.155","title":"rotation period","ref":"LCDB (Rev. 2023-October); Warner et al., 2009","desc":"body rotation period (synodic)","sigma":null,"notes":"REFERENCE LIST:[Schober, H.J.; Erikson, A.; Hahn, G.; Lagerkvist, C.-I. (1993) Astron. Astrophys. Suppl. Ser. 101, 499-505.], [Hainaut-Rouelle, M.-C.; Hainaut, O.R.; Detal, A. (1995) Astron. Astrophys. Suppl. Ser. 112, 125-142.], [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html], [Buchheim, R.K. (2005) Minor Planet Bull. 32, 79-80.], [Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html], [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.], [Martikainen, J.; Muinonen, K.; Penttila, A.; Cellino, A.; Wang, X.-B. (2021) Astron. Astrophys. 649, A98.], [Colazo, M.; Morales, M.; Fornari, C.; Chapman, A.; et al. (2022) Minor Planet Bull. 49, 48-51.]","name":"rot_per"},{"sigma":"0.006","notes":null,"name":"albedo","desc":"geometric albedo","value":"0.045","ref":"urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)","title":"geometric albedo","units":null},{"units":null,"value":"0.656","title":"B-V","ref":"EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2","desc":"color index B-V magnitude difference","sigma":"0.014","notes":"#obs=3; phase (min.=15.21, mean=22.50, max.=28.53) deg.","name":"BV"},{"desc":"color index U-B magnitude difference","sigma":"0.046","notes":"#obs=3; phase (min.=15.21, mean=22.50, max.=28.53) deg.","name":"UB","units":null,"value":"0.230","ref":"EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2","title":"U-B"},{"desc":"Tholen spectral taxonomic classification","name":"spec_T","notes":"used 7 color indices","sigma":null,"units":null,"title":"Tholen spectral type","ref":"EAR-A-5-DDR-TAXONOMY-V4.0","value":"F"},{"units":null,"value":"B","title":"SMASSII spectral type","ref":"EAR-A-5-DDR-TAXONOMY-V4.0","desc":"SMASSII spectral taxonomic classification","name":"spec_B","sigma":null,"notes":"based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)"}],"orbit":{"not_valid_before":null,"t_jup":"3.238","comment":null,"moid_jup":"2.12","soln_date":"2026-06-05 04:22:16","condition_code":"0","elements":[{"units":null,"label":"e","name":"e","value":"0.284","title":"eccentricity","sigma":"1.5e-09"},{"name":"a","value":"2.74","title":"semi-major axis","sigma":"1.9e-09","units":"au","label":"a"},{"label":"q","units":"au","sigma":"3.7e-09","title":"perihelion distance","name":"q","value":"1.96"},{"label":"i","units":"deg","sigma":"6.6e-08","title":"inclination; angle with respect to x-y ecliptic plane","value":"15.9","name":"i"},{"title":"longitude of the ascending node","value":"115","name":"om","sigma":"2.6e-07","units":"deg","label":"node"},{"sigma":"3.6e-07","name":"w","value":"287","title":"argument of perihelion","label":"peri","units":"deg"},{"title":"mean anomaly","value":"304","name":"ma","sigma":"6.7e-07","units":"deg","label":"M"},{"label":"tp","units":"TDB","sigma":"3.3e-06","value":"2461459.501","name":"tp","title":"time of perihelion passage"},{"label":"period","units":"d","sigma":"1.7e-06","value":"1660","name":"per","title":"sidereal orbital period"},{"label":"n","units":"deg/d","sigma":"2.3e-10","title":"mean motion","value":"0.217","name":"n"},{"sigma":"2.5e-09","value":"3.52","name":"ad","title":"aphelion distance","label":"Q","units":"au"}],"n_del_obs_used":null,"n_dop_obs_used":null,"data_arc":"36852","epoch":"2461200.5","equinox":"J2000","pe_used":"DE441","moid":"1.04","orbit_id":"86","two_body":null,"first_obs":"1925-05-18","n_obs_used":5912,"producer":"Otto Matic","source":"JPL","not_valid_after":null,"last_obs":"2026-04-10","cov_epoch":"2458018.5","sb_used":"SB441-N16","rms":"0.34","model_pars":[]},"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"object":{"shortname":"1021 Flammario","pha":false,"spkid":"20001021","prefix":null,"des":"1021","neo":false,"orbit_class":{"name":"Main-belt Asteroid","code":"MBA"},"fullname":"1021 Flammario (A924 EW)","kind":"an","orbit_id":"86"}}