+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1417410011066952 4.418e-08   a 2.247404968791189 7.0731e-09 au q 1.928855538622565 9.7692e-08 au i 7.306845147651139 4.7509e-06 deg node 10.17423645969721 3.0925e-05 deg peri 22.93836810772584 3.4591e-05 deg M 28.60604698191883 1.4259e-05 deg tp 2459102.714203239623 (2020-Sep-10.21420324) 4.8668e-05 TDB period 1230.609977533296 3.37 5.8095e-06 1.591e-08 d yr n .292537852424701 1.381e-09 deg/d Q 2.565954398959813 8.0756e-09 au   Orbit Determination Parameters    # obs. used (total)      707      data-arc span      7378 days (20.20 yr)      first obs. used      2000-12-01      last obs. used      2021-02-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51685      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:10:37   Additional Information  Earth MOID = .935265 au   Jupiter MOID = 2.88015 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 16.40   n/a E2021B55   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 ] 2021-Apr-17 07:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin