+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   438 Zeuxo (A898 VG) Classification: Main-belt Asteroid          SPK-ID: 2000438 [ 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 .06865924995135719 3.2819e-08   a 2.553888895524495 7.2738e-09 au q 2.378540799498683 8.2943e-08 au i 7.367767318865839 3.9002e-06 deg node 49.10635482955462 2.8502e-05 deg peri 210.6273664104049 4.1436e-05 deg M 62.25302182699151 2.9636e-05 deg tp 2458742.713978970921 (2019-Sep-16.21397897) 0.00012284 TDB period 1490.738358506976 4.08 6.3687e-06 1.744e-08 d yr n .2414910691374118 1.0317e-09 deg/d Q 2.729236991550307 7.7732e-09 au   Orbit Determination Parameters    # obs. used (total)      3017      data-arc span      44556 days (121.99 yr)      first obs. used      1898-11-12      last obs. used      2020-11-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40799      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:53:39   Additional Information  Earth MOID = 1.36697 au   Jupiter MOID = 2.29539 au   T_jup = 3.424  [ 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 10.0   n/a MPO492754 IRAS observations used: 25 diameter diameter 58.871 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 8.831 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Cooney, W.R.; Gross, J. (2003) Minor Planet Bull. 30, 3.] [Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] geometric albedo albedo 0.061   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.611   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=12.61 deg. U-B UB 0.200   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=12.61 deg. Tholen spectral type spec_T F:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 438 Zeuxo (A898 VG)          Discovered 1898-Nov-08 by Charlois, A. at Nice Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  A898 VG = A902 UC = A912 BC  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-28 11:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin