+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1133 Lugduna (1929 RC1) Classification: Main-belt Asteroid          SPK-ID: 2001133 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1868943171848759 3.2461e-08   a 2.18591654008017 5.381e-09 au q 1.77738116089876 7.0964e-08 au i 5.374135056228485 3.5134e-06 deg node 58.22126729687037 3.8733e-05 deg peri 306.6933054825118 4.0112e-05 deg M 12.17110485565514 1.241e-05 deg tp 2458960.590499302963 (2020-Apr-21.09049930) 4.0627e-05 TDB period 1180.453247369554 3.23 4.3588e-06 1.193e-08 d yr n .3049676052839879 1.1261e-09 deg/d Q 2.594451919261579 6.3867e-09 au   Orbit Determination Parameters    # obs. used (total)      2491      data-arc span      33298 days (91.16 yr)      first obs. used      1929-09-13      last obs. used      2020-11-12      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .42436      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:58:33   Additional Information  Earth MOID = .782308 au   Jupiter MOID = 2.87166 au   T_jup = 3.648  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 12.2   n/a MPO492763   diameter diameter 8.275 km 0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 5.477 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Gartrelle, G. (2012) Minor Planet Bull. 39, 40-46.] [Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.] [Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.] geometric albedo albedo 0.363   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.880   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.54 deg. U-B UB 0.510   0.048 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.54 deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices 1133 Lugduna (1929 RC1)          Discovered 1929-Sep-13 by Van Gent, H. at Johannesburg (LS) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1929 RC1 = A908 BD  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 04:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin