+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   73 Klytia (A862 GA) Classification: Main-belt Asteroid          SPK-ID: 2000073 [ 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 42 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04179962773785129 3.3968e-08   a 2.666375290461866 8.4675e-09 au q 2.554921795911155 9.0735e-08 au i 2.368882349263681 3.9828e-06 deg node 6.879388093489646 9.4395e-05 deg peri 53.84370150297067 0.00010698 deg M 245.83040989714 5.1288e-05 deg tp 2459504.845653017893 (2021-Oct-17.34565302) 0.00022707 TDB period 1590.304694296113 4.35 7.5754e-06 2.074e-08 d yr n .2263717143583859 1.0783e-09 deg/d Q 2.777828785012578 8.8214e-09 au   Orbit Determination Parameters    # obs. used (total)      3166      data-arc span      57006 days (156.07 yr)      first obs. used      1864-10-02      last obs. used      2020-10-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .45774      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 04:33:41   Additional Information  Earth MOID = 1.56794 au   Jupiter MOID = 2.34591 au   T_jup = 3.381  [ 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 9.0   n/a MPO394986   diameter diameter 44.590 km 0.941 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 8.297 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Hainaut-Rouelle, M.-C.; Hainaut, O.R.; Detal, A. (1995) Astron. Astrophys. Suppl. Ser. 112, 125-142.] [Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] [Marciniak, A.; Michalowski, T,. Kaasalainen, M.; Kryszczynska, A.; et al. (2008) Astron. Astrophys. 478, 559-565.] [Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.] [Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.223   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 73 Klytia (A862 GA)          Discovered 1862-Apr-07 by Tuttle, H. P. at Cambridge Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  A862 GA = 1949 HE1 = 1952 BA = 1954 JG  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-23 17:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin