{"phys_par":[{"units":null,"name":"H","sigma":null,"ref":"MPO980523","desc":"absolute magnitude (magnitude at 1 au from Sun and observer)","notes":"IRAS observations used: 14","title":"absolute magnitude","value":"7.91"},{"ref":"PDS3 (MPC 17257)","title":"magnitude slope","notes":"Fit","desc":"magnitude slope parameter used in the standard asteroid H/G magnitude law","value":"0.01","units":null,"sigma":null,"name":"G"},{"units":"km","sigma":"1.489","name":"diameter","title":"diameter","notes":null,"value":"125.821","desc":"effective body diameter","ref":"urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)"},{"ref":"LCDB (Rev. 2023-October); Warner et al., 2009","notes":"REFERENCE LIST:[Schober, H.J. (1978) Astron. Astrophys. Suppl. Ser. 34, 377-381.], [Debehogne, H.; Lagerkvist, C.-I.; Hahn, G. (1990) in Asteroids, Comets, Meteors III. C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds. Uppsala, p. 45-48.], [Erikson, A. (1990) in Asteroids, Comets, Meteors III. C.-I. Lagerkvist, H. Rickman, B.A. Lindblad, M. Lindgren, eds. Uppsala, p. 55-58.], [Michalowski, T. (1993) Icarus 106, 563-572.], [Michalowski, T.; Kaasalainen, M.; Marciniak, A.; Denchev, P.; et al. (2005) Astron. Astrophys. 443, 329-335.], [Gandolfi, D.; Cigna, M.; Fulvio, D.; Blanco, C. (2009) Planet. Space Sci. 57, 1-9.], [Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html], [Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html], [Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html], [Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2020) Ap. J. Supl. Ser. 247, id.26.], [Behrend, R. (2021) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html], [Vernazza, P.; Ferrais, M.; Jorda, L.; Hanus, J.; et al. (2021) Astron. Astrophys 654, id. A56.]","desc":"body rotation period (synodic)","value":"6.15","title":"rotation period","units":"h","name":"rot_per","sigma":null},{"sigma":"0.018","name":"albedo","units":null,"ref":"urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)","desc":"geometric albedo","notes":null,"title":"geometric albedo","value":"0.096"},{"ref":"EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2","notes":"#obs=4; phase (min.=7.32, mean=11.68, max.=16.35) deg.","title":"B-V","desc":"color index B-V magnitude difference","value":"0.705","units":null,"sigma":"0.016","name":"BV"},{"desc":"color index U-B magnitude difference","notes":"#obs=4; phase (min.=3.48, mean=8.66, max.=16.35) deg.","title":"U-B","value":"0.305","ref":"EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2","units":null,"sigma":"0.012","name":"UB"},{"units":null,"name":"spec_T","sigma":null,"notes":"used 7 color indices; used ground-based radiometric albedo","value":"C","desc":"Tholen spectral taxonomic classification","title":"Tholen spectral type","ref":"EAR-A-5-DDR-TAXONOMY-V4.0"},{"notes":"based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)","desc":"SMASSII spectral taxonomic classification","title":"SMASSII spectral type","value":"Xk","ref":"EAR-A-5-DDR-TAXONOMY-V4.0","sigma":null,"name":"spec_B","units":null}],"signature":{"version":"1.3","source":"NASA/JPL Small-Body Database (SBDB) API"},"object":{"des":"173","fullname":"173 Ino (A877 PA)","shortname":"173 Ino","spkid":"20000173","orbit_id":"136","pha":false,"neo":false,"orbit_class":{"name":"Main-belt Asteroid","code":"MBA"},"prefix":null,"kind":"an"},"orbit":{"elements":[{"value":"0.209","title":"eccentricity","label":"e","units":null,"name":"e","sigma":"2.4e-09"},{"sigma":"2e-09","name":"a","label":"a","units":"au","title":"semi-major axis","value":"2.74"},{"units":"au","label":"q","sigma":"7.4e-09","name":"q","value":"2.17","title":"perihelion distance"},{"units":"deg","label":"i","name":"i","sigma":"2.3e-07","title":"inclination; angle with respect to x-y ecliptic plane","value":"14.2"},{"units":"deg","label":"node","sigma":"7.9e-07","name":"om","value":"148","title":"longitude of the ascending node"},{"sigma":"9.5e-07","name":"w","units":"deg","label":"peri","value":"229","title":"argument of perihelion"},{"title":"mean anomaly","value":"239","units":"deg","label":"M","sigma":"8.9e-07","name":"ma"},{"units":"TDB","label":"tp","name":"tp","sigma":"4.6e-06","title":"time of perihelion passage","value":"2461758.742"},{"title":"sidereal orbital period","value":"1660","sigma":"1.8e-06","name":"per","label":"period","units":"d"},{"value":"0.217","title":"mean motion","label":"n","units":"deg/d","sigma":"2.4e-10","name":"n"},{"title":"aphelion distance","value":"3.32","name":"ad","sigma":"2.4e-09","units":"au","label":"Q"}],"last_obs":"2026-04-13","pe_used":"DE441","n_dop_obs_used":null,"n_obs_used":5890,"t_jup":"3.274","moid_jup":"2.21","not_valid_before":null,"epoch":"2461200.5","equinox":"J2000","model_pars":[],"first_obs":"1879-01-20","source":"JPL","moid":"1.19","data_arc":"53774","orbit_id":"136","sb_used":"SB441-N16","comment":null,"producer":"Otto Matic","n_del_obs_used":null,"soln_date":"2026-06-05 03:14:24","not_valid_after":null,"two_body":null,"condition_code":"0","cov_epoch":"2457830.5","rms":"0.35"}}