+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259620 (2003 WX) Classification: Main-belt Asteroid          SPK-ID: 2259620 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1567036590779979 4.3413e-08   a 2.405133774495301 1.3019e-08 au q 2.028240511459811 1.0163e-07 au i 2.507130963015759 5.6418e-06 deg node 218.8617617310254 8.7529e-05 deg peri 210.9764830631752 8.9101e-05 deg M 145.2663335090926 1.5743e-05 deg tp 2458450.744279916559 (2018-Nov-28.24427992) 5.9094e-05 TDB period 1362.408305140095 3.73 1.1062e-05 3.029e-08 d yr n .2642379664317898 2.1455e-09 deg/d Q 2.78202703753079 1.5059e-08 au   Orbit Determination Parameters    # obs. used (total)      317      data-arc span      6058 days (16.59 yr)      first obs. used      2003-11-16      last obs. used      2020-06-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62906      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 23:08:45   Additional Information  Earth MOID = 1.04299 au   Jupiter MOID = 2.49387 au   T_jup = 3.505  [ 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 17.2   n/a MPO413178   259620 (2003 WX)          Discovered 2003-Nov-16 by CSS at Catalina Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-22 23:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin