+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259545 (2003 UQ98) Classification: Main-belt Asteroid          SPK-ID: 2259545 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1213870174917447 4.2662e-08   a 2.427682589411879 1.3639e-08 au q 2.132993440466535 1.0312e-07 au i 7.328268930366717 4.2925e-06 deg node 96.15545035281775 4.6244e-05 deg peri 315.6654953281261 5.2142e-05 deg M 131.5458625794767 2.5033e-05 deg tp 2458495.651611005176 (2019-Jan-12.15161101) 9.4979e-05 TDB period 1381.612591033265 3.78 1.1643e-05 3.188e-08 d yr n .2605650833934332 2.1958e-09 deg/d Q 2.722371738357222 1.5294e-08 au   Orbit Determination Parameters    # obs. used (total)      384      data-arc span      6059 days (16.59 yr)      first obs. used      2003-10-19      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58933      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 23:09:16   Additional Information  Earth MOID = 1.15147 au   Jupiter MOID = 2.6003 au   T_jup = 3.488  [ 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 16.5   n/a MPO418381   259545 (2003 UQ98)          Discovered 2003-Oct-19 by LONEOS at Anderson Mesa Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 04:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin