+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09075504797659378 3.6451e-08   a 3.184248358658989 1.7634e-08 au q 2.895261746099503 1.1293e-07 au i 23.30362248655707 4.1712e-06 deg node 114.3768286261694 1.0397e-05 deg peri 336.3602743885707 2.5365e-05 deg M 231.4527585965597 2.39e-05 deg tp 2459941.586816937261 (2022-Dec-28.08681694) 0.00013912 TDB period 2075.433522996426 5.68 1.7241e-05 4.72e-08 d yr n .1734577359434027 1.4409e-09 deg/d Q 3.473234971218476 1.9235e-08 au   Orbit Determination Parameters    # obs. used (total)      2583      data-arc span      32091 days (87.86 yr)      first obs. used      1933-01-24      last obs. used      2020-12-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .3814      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 00:54:00   Additional Information  Earth MOID = 1.92197 au   Jupiter MOID = 1.69575 au   T_jup = 3.065  [ 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 10.91   n/a E2021B10   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. 2020-October); 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 ] 2021-Mar-09 05:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin