+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134903 (2000 XZ9) Classification: Main-belt Asteroid          SPK-ID: 2134903 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .141659103302443 5.3025e-08   a 2.247200016207754 1.0327e-08 au q 1.928863676970528 1.193e-07 au i 7.307024546039203 6.754e-06 deg node 10.17540630800809 3.627e-05 deg peri 22.9043162278083 4.2553e-05 deg M 330.1187225843004 2.2842e-05 deg tp 2459102.631022419476 (2020-Sep-10.13102242) 7.8413e-05 TDB period 1230.441642755671 3.37 8.4816e-06 2.322e-08 d yr n .2925778740662188 2.0168e-09 deg/d Q 2.565536355444979 1.179e-08 au   Orbit Determination Parameters    # obs. used (total)      481      data-arc span      6339 days (17.36 yr)      first obs. used      2000-12-01      last obs. used      2018-04-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56509      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 12:07:59   Additional Information  Earth MOID = .936444 au   Jupiter MOID = 2.87963 au   T_jup = 3.606  [ 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 16.2   n/a MPO475175   134903 (2000 XZ9)          Discovered 2000-Dec-01 by LINEAR at Socorro Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-22 01:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin