+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   1336 Zeelandia (1934 RW) Classification: Main-belt Asteroid          SPK-ID: 2001336 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: MPO256871 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e 0.0632912 n/a   a 2.8517852 n/a AU q 2.6712923 n/a AU i 3.19733 n/a deg node 97.42951 n/a deg peri 220.70913 n/a deg M 148.74944 n/a deg tp 2455673.6806409 (2011-Apr-22.18064090) n/a JED period 1759.0316257 4.82 n/a n/a d yr n 0.20465806 n/a deg/d Q 3.0322781 n/a AU   Orbit Determination Parameters    # obs. used (total)      1451      first obs. used      1934-??-??      last obs. used      2013-03-03      # oppositions      41      planetary ephem.      DE403      condition code      0      fit RMS      0.54      data source      MPC:mpn      producer      MPCLINUX   Additional Information  T_jup = 3.300  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 10.66 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 diameter diameter 20.99 km 2.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 rotation period rot_per 15.602 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Slivan, S.M.; Binzel, R.P.; Boroumand, S.C.; Pan M.W.; et al. (2008) Icarus 195, 226-276.] [Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.2183   0.052 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2 B-V BV .810 mag .022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=3.21 deg. U-B UB .366 mag .034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=1; phase=3.21 deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices SMASSII spectral type spec_B S   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) 1336 Zeelandia (1934 RW)          Discovered 1934-Sep-09 by Van Gent, H. at Johannesburg (LS) Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1934 RW = 1929 QE = 1930 XC = 1935 YF = 1939 RP = A906 YO  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ] 2013-May-25 06:47 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin