+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1276 Ucclia (1933 BA) Classification: Main-belt Asteroid          SPK-ID: 2001276 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09116159615234357 3.7884e-08   a 3.186214366745315 1.6665e-08 au q 2.895753979389283 1.1753e-07 au i 23.30600699505039 4.1881e-06 deg node 114.3811463653244 1.0973e-05 deg peri 335.2424313218892 2.6194e-05 deg M 198.0995446695478 2.4157e-05 deg tp 2459934.735752910036 (2022-Dec-21.23575291) 0.00014117 TDB period 2077.355930600355 5.69 1.6298e-05 4.462e-08 d yr n .1732972162820264 1.3596e-09 deg/d Q 3.476674754101346 1.8185e-08 au   Orbit Determination Parameters    # obs. used (total)      2385      data-arc span      31920 days (87.39 yr)      first obs. used      1933-01-24      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .39117      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 15:29:01   Additional Information  Earth MOID = 1.92361 au   Jupiter MOID = 1.69564 au   T_jup = 3.064  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.9   n/a MPO448924   diameter diameter 36.499 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 4.90768 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Angeli, C.A.; Guimaraes, T.A.; Lazzaro, D.; Duffard, R.; et al. (2001) Astron. J. 121, 2245-2252.] [Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Galad, A.; Kornos, L.; Vilagi, J. (2010) Minor Planet Bull. 37, 9-15.] [Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.] [Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.] geometric albedo albedo 0.075   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   1276 Ucclia (1933 BA)          Discovered 1933-Jan-24 by Delporte, E. at Uccle Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1933 BA = 1963 KF  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-09 19:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin