+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1892 Lucienne (1971 SD) Classification: Main-belt Asteroid          SPK-ID: 2001892 [ 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 .09036779360236669 4.3151e-08   a 2.461496230737279 8.226e-09 au q 2.23905624740501 1.0611e-07 au i 13.9494919605256 4.3919e-06 deg node 315.6712720077988 1.9771e-05 deg peri 92.64835061857822 3.3088e-05 deg M 175.0316472260509 2.853e-05 deg tp 2458314.678227000021 (2018-Jul-15.17822700) 0.00011022 TDB period 1410.578270803393 3.86 7.071e-06 1.936e-08 d yr n .2552144800833792 1.2793e-09 deg/d Q 2.683936214069549 8.9694e-09 au   Orbit Determination Parameters    # obs. used (total)      2143      data-arc span      17900 days (49.01 yr)      first obs. used      1971-09-16      last obs. used      2020-09-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40073      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:14:30   Additional Information  Earth MOID = 1.30017 au   Jupiter MOID = 2.60433 au   T_jup = 3.443  [ 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 12.0   n/a MPO473790   diameter diameter 9.725 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 9.31 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Binzel, R.P. (1987) Icarus 72, 135-208.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] geometric albedo albedo 0.270   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   B-V BV 0.880   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=17.97 deg. U-B UB 0.430   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=17.97 deg. 1892 Lucienne (1971 SD)          Discovered 1971-Sep-16 by Wild, P. at Zimmerwald Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1971 SD = 1936 PO = 1938 AC  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-28 06:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin