+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344311 (2001 UZ159) Classification: Main-belt Asteroid          SPK-ID: 2344311 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2721278054251419 4.6843e-08   a 2.414177641699929 1.8672e-08 au q 1.757212778157683 1.1709e-07 au i 12.33190091023427 1.0233e-05 deg node 64.08300299475704 2.4501e-05 deg peri 271.1464239480187 3.1438e-05 deg M 30.94799693564393 2.0249e-05 deg tp 2458882.717082804940 (2020-Feb-03.21708281) 7.6618e-05 TDB period 1370.099986709824 3.75 1.5895e-05 4.352e-08 d yr n .2627545460127393 3.0483e-09 deg/d Q 3.071142505242176 2.3753e-08 au   Orbit Determination Parameters    # obs. used (total)      202      data-arc span      6475 days (17.73 yr)      first obs. used      2001-09-17      last obs. used      2019-06-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53416      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 23:02:10   Additional Information  Earth MOID = .800376 au   Jupiter MOID = 2.44716 au   T_jup = 3.436  [ 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 16.9   n/a MPO437458   344311 (2001 UZ159)          Discovered 2001-Oct-23 by LINEAR at Socorro Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-07 18:52 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin