+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1114 Lorraine (1928 WA) Classification: Main-belt Asteroid          SPK-ID: 2001114 [ 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 45 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07114382094731966 3.6593e-08   a 3.092849544774998 1.1985e-08 au q 2.872812410544526 1.1399e-07 au i 10.72051473385419 4.3502e-06 deg node 195.3320912726087 1.8979e-05 deg peri 207.2437550718522 3.2782e-05 deg M 315.8347973055837 2.649e-05 deg tp 2459244.233005972652 (2021-Jan-29.73300597) 0.00014607 TDB period 1986.719788365148 5.44 1.1548e-05 3.162e-08 d yr n .181203208478756 1.0533e-09 deg/d Q 3.312886679005469 1.2838e-08 au   Orbit Determination Parameters    # obs. used (total)      3265      data-arc span      41646 days (114.02 yr)      first obs. used      1906-11-09      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .41059      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:58:24   Additional Information  Earth MOID = 1.88431 au   Jupiter MOID = 2.05418 au   T_jup = 3.194  [ 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 10.0   n/a MPO435706   diameter diameter 75.631 km 0.625 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   rotation period rot_per 20.71 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Ditteon, R.; Adam, A.; Doyel, M.; Gibson, J.; et al. (2018) Minor Planet Bull. 45, 13-16.] geometric albedo albedo 0.031   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 1114 Lorraine (1928 WA)          Discovered 1928-Nov-17 by Schaumasse, A. at Nice Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1928 WA = 1971 YK = A906 UE  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 05:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin